1
Merle V Hoover: Complementary symmetry FET frequency converter circuits. RCA Corporation, E M Whitacre, P J Rasmussen, P M Emanuel, June 8, 1982: US04334324 (92 worldwide citation)

A frequency converter uses first and second complementary symmetry FET's to perform respective oscillator and mixer functions. The first and second FET's are arranged with respective conduction channels connected in series. The oscillator function is performed by the first FET via feedback provided ...


2
Merle V Hoover: Operational amplifier employing complementary field-effect transistors. RCA Corporation, Eugene M Whitacre, Paul J Rasmussen, Clement A Berard Jr, June 1, 1982: US04333058 (37 worldwide citation)

An operational amplifier includes first and second differential-input amplifiers of complementary conductivity type, each such differential-input amplifier including first and second transistors in long-tailed pair configuration having their drains connected to third and fourth transistors connected ...


3
Merle V Hoover: Operational amplifier employing complementary field-effect transistors. RCA Corporation, E M Whitacre, P J Rasmussen, C A Berard Jr, March 22, 1983: US04377789 (19 worldwide citation)

An operational amplifier employing complementary MOSFET transistors includes first and second differential amplifiers respectively employing complementary conductivity type transistors. The input connections of the first and second differential amplifiers connect in parallel to receive the same inpu ...


4
Merle V Hoover: Class AB push-pull FET amplifiers. RCA Corporation, P J Rasmussen, A L R Limberg, A J Jacobson, October 20, 1981: US04296382 (19 worldwide citation)

The output stage of a quasi-linear amplifier employs a p-channel and an n-channel FET with their sources at relatively positive and relatively negative operating voltage rails to drive a load from their drain-to-drain connection, so that despite their being enhancement types full rail-to-rail output ...


5
Merle V Hoover: Complementary-FET driver circuitry for push-pull class B transistor amplifiers. RCA Corporation, H Christoffersen, A L Limberg, E P Herrmann, June 26, 1979: US04159450 (14 worldwide citation)

A complementary or quasi-complementary Class B transistor amplifier stage, the halves of which have their output circuits serially connected between relatively negative and relatively positive operating supply voltages to receive direct current and are operated in push-pull with each other for signa ...


6
Merle V Hoover: Class AB push-pull amplifiers. June 15, 1982: US04335360 (14 worldwide citation)

Class AB push-pull amplifiers using a pair of complementary metal-oxide-semiconductor CMOS field effect transistors in source-follower connections in its driver stage and using a pair of non-linear current amplifiers with complementary conduction characteristics in its push-pull output stage.


7
Merle V Hoover: FET Negative resistance circuits. RCA Corporation, Joseph S Tripoli, George E Haas, Henry I Schanzer, January 1, 1985: US04491807 (12 worldwide citation)

FET circuitry is described which may be substituted for a programmable unijunction transistor particularly on CMOS-FET integrated circuits. The FET circuitry is arranged between first and second terminals defining a conduction path exhibiting a negative resistance characteristic and a control termin ...


8
Merle V Hoover: Field effect transistor amplifier with variable gain control. RCA Corporation, Eugene M Whitacre, Paul J Rasmussen, Allan J Jacobson, October 5, 1982: US04353036 (12 worldwide citation)

A complementary symmetry amplifier having variable gain control is used in an automatic gain control (AGC) system. The amplifier includes first and second field effect transistors of opposite conductivity type. Variable gain control is achieved by applying first and second differential control signa ...


9
Merle V Hoover: Bridge amplifiers employing complementary field-effect transistors. RCA Corporation, E M Whitacre, P J Rasmussen, A J Jacobson, October 19, 1982: US04355287 (11 worldwide citation)

A bridge amplifier is provided wherein one end of a load device is driven by a first amplifier and the other end of the load device is driven by a second amplifier. The second amplifier is an inverting amplifier comprising P and N-channel field-effect transistors, having complementary symmetry condu ...


10
Merle V Hoover: Differential-input complementary field-effect transistor amplifier. RCA Corporation, E M Whitacre, P J Rasmussen, C A Berard Jr, June 1, 1982: US04333057 (7 worldwide citation)

A complementary field-effect transistor amplifier includes first, second, and third FET inverter amplifiers. Input signals are applied to input connections of the first and third inverter amplifiers and the output connections thereof respectively connect to first and second nodes. The first node con ...