Switching regulator using gate-turn-off scr

Claim 2

A switching regulator for use with an automatically controlled signal source and a power supply having a positive terminal and a negative terminal, said regulator comprising: a transformer having a primary winding and first and second secondary windings; a gate-turn-off silicon controlled rectifier having an anode, a cathode and a gate, said primary winding of said transformer being connected between said anode of said rectifier and said positive terminal, said cathode of said rectifier being connected to said negative terminal, said signal source being connected between said gate and said cathode of said rectifier; a timing circuit, said circuit being connected between a first and a second end of said first secondary winding of said transformer, said circuit being connected between said gate and said cathode of said rectifier; a diode having an anode and a cathode, said anode of said diode being connected to a first end of said second secondary winding of said transformer; and a first capacitor, said first capacitor being connected between said cathode of said diode and a second end of said second secondary winding of said transformer.

Claim 3

A switching regulator as defined in claim 1 wherein: said source has a pair of input leads, said source developing output pulses having a frequency determined by the value of a voltage applied between said input leads; and said regulator includes means for coupling said input leads of said source to said first capacitor.

Claim 4

A switching regulator as defined in claim 1 wherein said timing circuit includes: First and second resistors, said first resistor being connected between a first end of said first secondary winding and a first end of said second resistor; a second capacitor having first and second leads, said first lead of said second capacitor being connected to said first end of said second resistor, said second lead of said second capacitor being coupled to said gate of said rectifier; and an inductor, said inductor being connected between a second end of said second resistor and a second end of said first secondary winding, said second end of said first secondary winding being connected to said cathode of said rectifier.

Claim 5

A switching regulator as defined in claim 3 wherein: said source has a pair of input leads, said source developing output pulses having a frequency determined by the value of a voltage applied between said input leads; and said regulator includes means for coupling said input leads of said source to said first capacitor.

Claim 6

A switching regulator for use with an automatically controlled signal source having a pair of input leads and a pair of output leads, and a power supply having a positive terminal and a negative terminal, said regulator comprising: a transformer having a primary and first and second secondary windings; a gate-turn-off silicon controlled rectifier having an anode, a cathode and a gate, said primary winding of said transformer being connected between said anode of said rectifier and said positive terminal, said cathode of said rectifier being connected to said negative terminal, a first output lead of said source being connected to said gate of said rectifier, a second output lead of said source being connected to said cathode of said rectifier; first and second resistors, said first resistor being connected between a first end of said first secondary winding and a first end of said second resistor; a zener diode having an anode and a cathode, said cathode of said zener diode being connected to said gate of said rectifier; first and second capacitors, said second capacitor being connected between said first end of said second resistor and said anode of said zener diode; a first inductor, said first inductor being connected between a second end of said second resistor and a second end of said first secondary winding, said second end of said first inductor being connected to said cathode of said rectifier; and a first diode having an anode and a cathode, said anode of said first diode being connected to a first end of said second secondary winding, said first capacitor being connected between said cathode of said first diode and a second end of said second secondary winding.

Claim 7

A switching regulator for use with an automatically controlled signal source having a pair of input leads and a pair of output leads, and a power supply having a positive terminal and a negative terminal, said regulator comprising: a transformer having a primary and first and second secondary windings; a gate-turn-off silicon controlled rectifier having an anode, a cathode and a gate, said primary winding of said transformer being connected between said anode of said rectifier and said positive terminal, said cathode of said rectifier being connected to said negative terminal, a first output lead of said source being connected to said gate of said rectifier, a second output lead of said source being connected to said cathode of said rectifier; first and second resistors, said first resistor being connected between a first end of said first secondary winding and a first end of said second resistor; a zener diode having an anode and a cathode, said cathode of said zener diode being connected to said gate of said rectifier; first and second capacitors, said second capacitor being connected between said first end of said second resistor and said anode of said zener diode; a first inductor, said first inductor being connected between a second end of said second resistor and a second end of said first secondary winding, said second end of said first inductor being connected to said cathode of said rectifier; and a first diode having an anode and a cathode, said anode of said first diode being connected to a first end of said second secondary winding, said first capacitor being connected between said cathode of said first diode and a second end of said second secondary winding.

Claim 8

A switching regulator as defined in claim 5 wherein: said source has a pair of input leads, said source developing output pulses having a frequency determined by the value of a voltage applied between said input leads; and said regulator includes means for coupling said input leads of said source to said first capacitor.

Claim 9

A switching regulator as defined in claim 5 including: a second diode, said second diode being connected between said gate and said cathode of said rectifier; and wherein: said source has a pair of input leads, said source developing output pulses having a frequency determined by the value of a voltage applied between said input leads; and said regulator includes means for coupling said input leads of said source to said first capacitor.

Claim 10

A switching regulator as defined in claim 5 including: a second diode, said second diode being connected between said gate and said cathode of said rectifier; a second inductor; first and second output terminals, said second inductor being connected between said first output terminal and said cathode of said first diode, said second output terminal being connected to said second end of said second secondary winding; a third capacitor, said third capacitor being connected between said first and said second output terminals; and wherein said source has a pair of input leads, said source developing output pulses having a frequency determined by the value of voltage applied between said input leads, a first of said input leads being connected to said first output terminal, a second of said input leads being connected to said second output terminal.