Patent US2703526A successfully refreshed from Google Patents.
← Back to Patent Explorer
US4758740A Expired / Lapsed US ⏱️ 0.0 years remaining

Circuit for compensating the temperature dependence of gate transit times

Assignee: Siemens AG
•
Filing: 1986-09-29
•
Granted: 1988-07-19
•
Expires: 2006-09-29
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

Abstract A circuit for compensating the temperature dependence of gate propagation times includes a signal input for feeding-in an input signal; a signal output for issuing an output signal; a multiplexer having an output connected to the signal output and three inputs; a delay gate connected between one of the inputs of the multiplexer and the signal input, another of the inputs of the multiplexer being directly connected to the signal input; and a control input connected to a further one of the inputs of the multiplexer for controlling the multiplexer in dependence on temperature and feeding the input signal to the signal output delayed in a lower temperature range, undelayed in an upper temperature range and mixed, delayed as well as undelayed in a temperature range therebetween.

Inventors

  • 👤 Wilhelm Wilhelm
  • 👤 Peter Sehring

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-06 03:23
CPC Classifications
H; H03; H03K; H03K17/00; H03K17/14; H03K17/51; H03K17/56; H03K17/60; H03K17/603

Claims Analysis

Total Claims: 23
Claim 1
Independent Claim 125 words
Circuit for compensating the temperature dependence of gate propagation times, comprising a signal input for feeding-in an input signal; a signal output for issuing an output signal; a temperature-controlled multiplexer having an output connected to said signal output and three inputs; a delay gate connected between a first one of said inputs of said multiplexer and said signal input, another of said inputs of said multiplexer being directly connected to said signal input; and a further input being a control input of said multiplexer for controlling said multiplexer in dependence on temperature and feeding the input signal to said signal output delayed in a lower temperature range, undelayed in an upper temperature range and mixed, delayed as well as undelayed in a temperature range therebetween.
Claim 2
Dependent Claim 125 words
Circuit for compensating the temperature dependence of gate propagation times, comprising a signal input for feeding-in an input signal; a signal output for issuing an output signal; a temperature-controlled multiplexer having an output connected to said signal output and three inputs; a delay gate connected between a first one of said inputs of said multiplexer and said signal input, another of said inputs of said multiplexer being directly connected to said signal input; and a further input being a control input of said multiplexer for controlling said multiplexer in dependence on temperature and feeding the input signal to said signal output delayed in a lower temperature range, undelayed in an upper temperature range and mixed, delayed as well as undelayed in a temperature range therebetween.
Claim 3
Dependent Claim 69 words
Circuit according to claim 1, wherein said temperature-controlled multiplexer is formed of two differential amplifiers having their respective output circuits connected in parallel with said signal output, and a further differential amplifier stage having output circuits each being connected to a respective one of said two first-mentioned differential amplifiers, the inputs of said further differential stage is controlled by a voltage of a voltage source with opposite temperature dependence.
Claim 4
Dependent Claim 20 words
Circuit according to claim 2, including a resistor and a diode controlling the inputs of said further differential amplifier stage.
Claim 5
Dependent Claim 71 words
Circuit according to claim 2, including a first series circuit of a resistor and a current source having a first junction point therebetween, a second series circuit of a diode and a current source having a second junction point therebetween, said series circuits being connected in parallel to said voltage source and the inputs of said further differential amplifier stage each being connected to a respective one of said junction points.
Claim 6
Dependent Claim 71 words
Circuit according to claim 2, including a current source, said differential amplifiers and said further differential amplifier stage having emitters and collectors, said emitters of each of said differential amplifiers being coupled together and connected into collector circuits of said further differential amplifier stage, and said emitters of said further differential amplifier stage being connected to each other and to said current source. further differential amplifier stage and said current source.
Claim 7
Dependent Claim 26 words
Circuit according to claim 2, wherein said delay gate is formed of an additional differential amplifier having output circuits and load resistors in said output circuits.
Claim 8
Dependent Claim 20 words
Circuit according to claim 2, wherein said two differential amplifiers have outputs forming said signal outputs in a complementary manner.
Claim 9
Dependent Claim 24 words
Circuit according to claim 1, wherein said temperature-controlled multiplexer is formed by series-gating gates in emitter-coupled logic, said gates being matched potential-wise through diodes.
Claim 10
Dependent Claim 204 words
Circuit for compensating the temperature dependence of gate propagation times, comprising a signal input for feeding-in an input signal; as signal output for issuing an output signal; a temperature-controlled multiplexer having an output connected to said signal output and three inputs; a delay gate connected between a first one of said inputs of said multiplexer and said signal input, another of said inputs of said multiplexer being directly connected to said signal input; and a further input being a control input of said multiplexer for controlling said multiplexer in dependence on temperature and feeding the input signal to said signal output delayed in a lower temperature range, undelayed in an upper temperature range and mixed, delayed as well as undelayed in a temperature range therebetween; wherein said temperature-controlled multiplexer is formed of two differential amplifiers having their respective output circuits connected in parallel with said signal output; including a further differential amplifier stage having output circuits each being connected to a respective one of said two first-mentioned differential amplifiers, the inputs of said further differential stage being controlled by a voltage of a voltage source with opposite temperature dependence, including a resistor and a diode controlling the inputs of said further differential amplifier stage.
Claim 11
Dependent Claim 204 words
Circuit for compensating the temperature dependence of gate propagation times, comprising a signal input for feeding-in an input signal; as signal output for issuing an output signal; a temperature-controlled multiplexer having an output connected to said signal output and three inputs; a delay gate connected between a first one of said inputs of said multiplexer and said signal input, another of said inputs of said multiplexer being directly connected to said signal input; and a further input being a control input of said multiplexer for controlling said multiplexer in dependence on temperature and feeding the input signal to said signal output delayed in a lower temperature range, undelayed in an upper temperature range and mixed, delayed as well as undelayed in a temperature range therebetween; wherein said temperature-controlled multiplexer is formed of two differential amplifiers having their respective output circuits connected in parallel with said signal output; including a further differential amplifier stage having output circuits each being connected to a respective one of said two first-mentioned differential amplifiers, the inputs of said further differential stage being controlled by a voltage of a voltage source with opposite temperature dependence, including a resistor and a diode controlling the inputs of said further differential amplifier stage.
Claim 12
Dependent Claim 255 words
Circuit for compensating the temperature dependence of gate propagation times, comprising a signal input for feeding-in an input signal; a signal output for issuing an output signal; a temperature-controlled multiplexer having an output connected to said signal output and three inputs; a delay gate connected between a first one of said inputs of said multiplexer and said signal input, another of said inputs of said multiplexer being directly connected to said signal input; and a further input being a control input of said multiplexer for controlling said multiplexer in dependence on temperature and feeding the input signal to said signal output delayed in a lower temperature range, undelayed in an upper temperature range and mixed, delayed as well as undelayed in a temperature range therebetween; wherein said temperature-controlled multiplexer is formed of two differential amplifiers having their respective output circuits connected in parallel with said signal output; including a further differential amplifier stage having output circuits each being connected to a respective one of said two first-mentioned differential amplifiers, the inputs of said further differential stage being controlled by a voltage of a voltage source with opposite temperature; and including a first series circuit of a resistor and a current source having a first junction point therebetween, a second series circuit of a diode and a current source having a second junction point therebetween, said series circuits being connected in parallel to said voltage source and the inputs of said further differential amplifier stage each being connected to a respective one of said junction points.
Claim 13
Dependent Claim 255 words
Circuit for compensating the temperature dependence of gate propagation times, comprising a signal input for feeding-in an input signal; a signal output for issuing an output signal; a temperature-controlled multiplexer having an output connected to said signal output and three inputs; a delay gate connected between a first one of said inputs of said multiplexer and said signal input, another of said inputs of said multiplexer being directly connected to said signal input; and a further input being a control input of said multiplexer for controlling said multiplexer in dependence on temperature and feeding the input signal to said signal output delayed in a lower temperature range, undelayed in an upper temperature range and mixed, delayed as well as undelayed in a temperature range therebetween; wherein said temperature-controlled multiplexer is formed of two differential amplifiers having their respective output circuits connected in parallel with said signal output; including a further differential amplifier stage having output circuits each being connected to a respective one of said two first-mentioned differential amplifiers, the inputs of said further differential stage being controlled by a voltage of a voltage source with opposite temperature; and including a first series circuit of a resistor and a current source having a first junction point therebetween, a second series circuit of a diode and a current source having a second junction point therebetween, said series circuits being connected in parallel to said voltage source and the inputs of said further differential amplifier stage each being connected to a respective one of said junction points.
Claim 14
Dependent Claim 118 words
Circuit according to claim 10, wherein said delay gate is formed of an additional differential amplifier having inputs, outputs and output circuits with load resistors in said output circuits; said further differential amplifier stage includes a first transistor controlled by said diode of said second series circuit and having an output circuit connected to one of said differential amplifiers, a second transistor controlled by said resistor of said first series circuit and having an output circuit connected to another of said differential amplifiers; complementary signal inputs connected to said inputs of said additional differential amplifier and to said one differential amplifier; and said outputs of said additional differential amplifier being controlled by said other of said differential amplifiers.
Claim 15
Dependent Claim 238 words
Circuit for compensating the temperature dependence of gate propagation times, comprising a signal input for feeding-in an an input signal; a signal output for issuing an output signal; a temperature-controlled multiplexer having an output connected to said signal output and three inputs; a delay gate connected between a first one of said inputs of said multiplexer and said signal input, another of said inputs of said multiplexer being directly connected to said signal input; and a further input being a control input of said multiplexer for controlling said multiplexer in dependence on temperature and feeding the input signal to said signal output delayed in a lower temperature range, undelayed in an upper temperature range and mixed, delayed as well as undelayed in a temperature range therebetween; wherein said temperature-controlled multiplexer is formed of two differential amplifiers having their respective output circuits connected in parallel with said signal output; including a further differential amplifier stage having output circuits each being connected to a respective one of said two first-mentioned differential amplifiers, the inputs of said further differential stage being controlled by a voltage of a voltage source with opposite temperature dependence; and including a current source, said differential amplifiers and said further differential amplifier stage having emitters and collectors, said emitters of each of said differential amplifiers being coupled together and connected into collector circuits of said further differential amplifier stage, and said emitters of said further differential amplifier
Claim 16
Dependent Claim 238 words
Circuit for compensating the temperature dependence of gate propagation times, comprising a signal input for feeding-in an an input signal; a signal output for issuing an output signal; a temperature-controlled multiplexer having an output connected to said signal output and three inputs; a delay gate connected between a first one of said inputs of said multiplexer and said signal input, another of said inputs of said multiplexer being directly connected to said signal input; and a further input being a control input of said multiplexer for controlling said multiplexer in dependence on temperature and feeding the input signal to said signal output delayed in a lower temperature range, undelayed in an upper temperature range and mixed, delayed as well as undelayed in a temperature range therebetween; wherein said temperature-controlled multiplexer is formed of two differential amplifiers having their respective output circuits connected in parallel with said signal output; including a further differential amplifier stage having output circuits each being connected to a respective one of said two first-mentioned differential amplifiers, the inputs of said further differential stage being controlled by a voltage of a voltage source with opposite temperature dependence; and including a current source, said differential amplifiers and said further differential amplifier stage having emitters and collectors, said emitters of each of said differential amplifiers being coupled together and connected into collector circuits of said further differential amplifier stage, and said emitters of said further differential amplifier
Claim 17
Dependent Claim 43 words
Circuit according to claim 12. wherein one of said emitters of said further differential amplifier stage is directly connected to said current source, and including a resistor connected between another of said emitters of said further differential amplifier stage and said current source.
Claim 18
Dependent Claim 210 words
Circuit for compensating the temperature dependence of gate propagation times, comprising a signal input for feeding-in an input signal; a signal output for issuing an output signal; a temperature-controlled multiplexer having an output connected to said signal output and three inputs; a delay gate connected between a first one of said inputs of said multiplexer and said signal input, another of said inputs of said multiplexer being directly connected to said signal input; and a further input being a control input of said multiplexer for controlling said multiplexer in dependence on temperature and feeding the input signal to said signal output delayed in a lower temperature range, undelayed in an upper temperature range and mixed, delayed as well as undelayed in a temperature range therebetween; wherein said temperature-controlled multiplexer is formed of two differential amplifiers having their respective output circuits-connected in parallel with said signal output: including a further differential amplifier stage having output circuits each being connected to a respective one of said two first-mentioned differential amplifiers, the inputs of said further differential stage being controlled by a voltage of a voltage source with opposite temperature dependence; and wherein said delay gate is formed of an additional differential amplifier having output circuits and load resistors in said output circuits.
Claim 19
Dependent Claim 210 words
Circuit for compensating the temperature dependence of gate propagation times, comprising a signal input for feeding-in an input signal; a signal output for issuing an output signal; a temperature-controlled multiplexer having an output connected to said signal output and three inputs; a delay gate connected between a first one of said inputs of said multiplexer and said signal input, another of said inputs of said multiplexer being directly connected to said signal input; and a further input being a control input of said multiplexer for controlling said multiplexer in dependence on temperature and feeding the input signal to said signal output delayed in a lower temperature range, undelayed in an upper temperature range and mixed, delayed as well as undelayed in a temperature range therebetween; wherein said temperature-controlled multiplexer is formed of two differential amplifiers having their respective output circuits-connected in parallel with said signal output: including a further differential amplifier stage having output circuits each being connected to a respective one of said two first-mentioned differential amplifiers, the inputs of said further differential stage being controlled by a voltage of a voltage source with opposite temperature dependence; and wherein said delay gate is formed of an additional differential amplifier having output circuits and load resistors in said output circuits.
Claim 20
Dependent Claim 205 words
Circuit for compensating the temperature dependence of gate propagation times, comprising a signal input for feeding-in an input signal; a signal output for issuing an output signal; a temperature-controlled multiplexer having an output connected to said signal output and three inputs; a delay gate connected between a first one of said inputs of said multiplexer and said signal input, another of said inputs of said multiplexer being directly connected to said signal input; and a further input being a control input of said multiplexer for controlling said multiplexer in dependence on temperature and feeding the input signal to said signal output delayed in a lower temperature range, undelayed in an upper temperature range and mixed, delayed as well as undelayed in a temperature range therebetween; wherein said temperature-controlled multiplexer is formed of two differential amplifiers having their respective output circuits connected in parallel with said signal output; including a further differential amplifier stage having output circuits each being connected to a respective one of said two first-mentioned differential amplifiers, the inputs of said further differential stage being controlled by a voltage of a voltage source with opposite temperature dependence; and wherein said two differential amplifiers have outputs forming said signal outputs in a complementary manner.
Claim 21
Dependent Claim 205 words
Circuit for compensating the temperature dependence of gate propagation times, comprising a signal input for feeding-in an input signal; a signal output for issuing an output signal; a temperature-controlled multiplexer having an output connected to said signal output and three inputs; a delay gate connected between a first one of said inputs of said multiplexer and said signal input, another of said inputs of said multiplexer being directly connected to said signal input; and a further input being a control input of said multiplexer for controlling said multiplexer in dependence on temperature and feeding the input signal to said signal output delayed in a lower temperature range, undelayed in an upper temperature range and mixed, delayed as well as undelayed in a temperature range therebetween; wherein said temperature-controlled multiplexer is formed of two differential amplifiers having their respective output circuits connected in parallel with said signal output; including a further differential amplifier stage having output circuits each being connected to a respective one of said two first-mentioned differential amplifiers, the inputs of said further differential stage being controlled by a voltage of a voltage source with opposite temperature dependence; and wherein said two differential amplifiers have outputs forming said signal outputs in a complementary manner.
Claim 22
Dependent Claim 144 words
Circuit for compensating the temperature dependence of gate propagation times, comprising a signal input for feeding-in an input signal; a signal output for issuing an output signal; a temperature-controlled multiplexer having an output connected to said signal output and three inputs; a delay gate connected between a first one of said inputs of said multiplexer and said signal input, another of said inputs of said multiplexer being directly connected to said signal input; and a further input being a control input of said multiplexer for controlling said multiplexer in dependence on temperature and feeding the input signal to said signal output delayed in a lower temperature range, undelayed in an upper temperature range and mixed, delayed as well as undelayed in a temperature range therebetween; wherein said temperature-controlled multiplexer is formed by series-gating gates in emitter-coupled logic, said gates being matched potential-wise through diodes.
Claim 23
Dependent Claim 144 words
Circuit for compensating the temperature dependence of gate propagation times, comprising a signal input for feeding-in an input signal; a signal output for issuing an output signal; a temperature-controlled multiplexer having an output connected to said signal output and three inputs; a delay gate connected between a first one of said inputs of said multiplexer and said signal input, another of said inputs of said multiplexer being directly connected to said signal input; and a further input being a control input of said multiplexer for controlling said multiplexer in dependence on temperature and feeding the input signal to said signal output delayed in a lower temperature range, undelayed in an upper temperature range and mixed, delayed as well as undelayed in a temperature range therebetween; wherein said temperature-controlled multiplexer is formed by series-gating gates in emitter-coupled logic, said gates being matched potential-wise through diodes.

References Cited (Backward Citations)

US3746890A Cited
US3515998A Cited
US3769528A Cited
FR2354001A1 Cited
EP0012839A1 Cited
JPS58114622A Cited
FR2519211A1 Cited
US4593205A Cited
US4641048A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1991-07-19 1992-01-18 1992-07-19 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1995-07-19 1996-01-18 1996-07-19 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1999-07-19 2000-01-18 2000-07-19 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag