US5087888A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Light weight power amplifier assembled with no hand soldering or screws
Assignee: Motorola Solutions Inc
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Filing: 1990-07-26
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Granted: 1992-02-11
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Expires: 2010-07-26
Abstract
Abstract A way of constructing modular RF power amplifiers. RF power amplifiers are constructed of a standardized chassis plus a number of RF power modules with each such power module containing provisions for self-cooling.
Inventors
- 👤 Michael C. Mountz
- 👤 Peter A. Kwitkowski
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 23:30
CPC Classifications
H; H04; H04B; H04B1/00; H04B1/02; H04B1/03; H04B1/036; H10; H10W; H10W40/00; H10W40/70; H10W40/73
Claims Analysis
Total Claims: 14
Claim 1
Independent Claim
115 words
A modular RF power amplifier comprising: A) at least one self-cooled RF function module; B) a RFPA chassis for operably receiving the at least one self-cooled function module; C) means for interchangeably installing within the chassis an RF function module of a first power level and, upon occasion, a second power level; D) means for interchangeably installing within the chassis an RF function module of a first frequency and, upon occasion, a second frequency; E) means for communicating an RF input signal from an input connector to an input of the at least one RF function module. F) means for communicating an amplified RF output signal from the RF function module to an output connector.
Claim 2
Dependent Claim
115 words
A modular RF power amplifier comprising: A) at least one self-cooled RF function module; B) a RFPA chassis for operably receiving the at least one self-cooled function module; C) means for interchangeably installing within the chassis an RF function module of a first power level and, upon occasion, a second power level; D) means for interchangeably installing within the chassis an RF function module of a first frequency and, upon occasion, a second frequency; E) means for communicating an RF input signal from an input connector to an input of the at least one RF function module. F) means for communicating an amplified RF output signal from the RF function module to an output connector.
Claim 3
Dependent Claim
15 words
The apparatus as in claim 1 wherein the self-cooled RF function module contains a heat-pipe.
Claim 4
Dependent Claim
50 words
The apparatus as in claim 1 wherein the means for interchangeably installing a RF function module of a first power level and a second power level and the means for interchangeably installing a RF function module of a first frequency and a second frequency comprise at least one interface connector.
Claim 5
Dependent Claim
14 words
The apparatus as in claim 1 wherein the RFPA chassis contains integral RF shielding.
Claim 6
Dependent Claim
13 words
The apparatus as in claim 1 wherein the RFPA chassis contains integral grounding.
Claim 7
Dependent Claim
16 words
The apparatus as in claim 1 wherein the RF chassis contains integral hand actuated assembly fasteners.
Claim 8
Independent Claim
107 words
A method of constructing modular RF power amplifiers having: A) at least one self-cooled RF function module; B) means for interchangeably installing RF function modules of a first power level and, upon occasion, a second power level; C) means for interchangeably installing RF function modules of a first frequency and, upon occasion, a second frequency; D) means for communicating an input modulated, RF signal to the at least one RF function module; and, E) means for communicating an amplified signal to a point of use; such method comprising: A) designing a RFPA containing amplification and compensation circuits to provide a selected power output at a selected frequency;
Claim 9
Independent Claim
107 words
A method of constructing modular RF power amplifiers having: A) at least one self-cooled RF function module; B) means for interchangeably installing RF function modules of a first power level and, upon occasion, a second power level; C) means for interchangeably installing RF function modules of a first frequency and, upon occasion, a second frequency; D) means for communicating an input modulated, RF signal to the at least one RF function module; and, E) means for communicating an amplified signal to a point of use; such method comprising: A) designing a RFPA containing amplification and compensation circuits to provide a selected power output at a selected frequency;
Claim 10
Dependent Claim
60 words
(B) constructing the RFPA with the amplification and compensation circuits contained in an at least one self-cooling function module of the selected power and frequency; C) designing an RFPA chassis to contain a plurality of self-cooling function modules; D) constructing an RFPA chassis to contain the plurality of self-cooling function modules; and, E) assembling the RFPA chassis and function modules.
Claim 11
Dependent Claim
60 words
(B) constructing the RFPA with the amplification and compensation circuits contained in an at least one self-cooling function module of the selected power and frequency; C) designing an RFPA chassis to contain a plurality of self-cooling function modules; D) constructing an RFPA chassis to contain the plurality of self-cooling function modules; and, E) assembling the RFPA chassis and function modules.
Claim 12
Dependent Claim
29 words
The method as in claim 7 wherein the step of designing the RFPA chassis further includes the step of shielding the RF power amplifier chassis with a conductive coating.
Claim 13
Dependent Claim
30 words
The method as in claim 7 wherein the step of designing the RFPA chassis further includes the step of grounding the RF power amplifier chassis from within an interconnect board.
Claim 14
Dependent Claim
18 words
The method as in claim 7 wherein the RFPA chassis and function modules contain hand actuated assembly fasteners.
References Cited (Backward Citations)
US2894077A
Cited
US4963833A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1995-02-10 | 1995-08-12 | 1996-02-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1999-02-10 | 1999-08-12 | 2000-02-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2003-02-10 | 2003-08-12 | 2004-02-11 | $7700.00 | Window Closed / Lapsed |