| Patents for H03F 3 - Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements (44,008) |
|---|
| 09/20/1977 | US4050030 Offset adjustment circuit |
| 09/20/1977 | US4050029 Electronic apparatus comprising an audio amplifier providing shunt voltage regulation |
| 09/20/1977 | US4050028 High voltage amplifier |
| 09/20/1977 | US4050022 AM-FM receiver having improved mode conversion |
| 09/20/1977 | US4049980 IGFET threshold voltage compensator |
| 09/20/1977 | US4049977 Phase-splitter |
| 09/13/1977 | US4048578 R.f. amplifier circuit |
| 09/13/1977 | US4048577 Resistor-controlled circuit for improving bandwidth of current gain cells |
| 09/13/1977 | US4048575 Operational amplifier |
| 09/13/1977 | US4048574 Method and a device for eliminating the residual error voltage of an amplifier |
| 09/06/1977 | US4047214 Electrostatically bonded dielectric-on-semiconductor device, and a method of making the same |
| 09/06/1977 | US4047122 Frequency compensated differential amplifier |
| 09/06/1977 | US4047120 Transient suppression circuit for push-pull switching amplifiers |
| 09/06/1977 | US4047119 Transistor differential amplifier circuit |
| 09/06/1977 | US4047118 Transistor amplifier circuit |
| 08/30/1977 | US4045747 Complementary field effect transistor amplifier |
| 08/30/1977 | US4045746 Adjustable gain current amplifiers |
| 08/30/1977 | US4045745 Low-frequency power amplifier |
| 08/30/1977 | US4045744 Low-frequency power amplifier |
| 08/30/1977 | US4045705 Electron bombarded semiconductor device |
| 08/30/1977 | US4045694 Current divider |
| 08/23/1977 | US4044313 Protective network for an insulated-gate field-effect (IGFET) differential amplifier |
| 08/16/1977 | US4042890 High efficiency electrical power conditioner |
| 08/16/1977 | US4042889 Overvoltage protection circuit for general purpose amplifier |
| 08/16/1977 | US4042887 Broad band amplifier |
| 08/09/1977 | US4041522 Integrated circuit and manufacture thereof |
| 08/09/1977 | US4041413 Automatic phase compensation circuit for paralleling power amplifiers in the microwave frequency range |
| 08/09/1977 | US4041411 Quantized amplifier |
| 08/09/1977 | US4041409 Automatic gain control circuit |
| 08/09/1977 | US4041408 Push-pull audio amplifier system with muting |
| 08/09/1977 | US4041407 Driver circuit for developing quiescent and dynamic operating signals for complementary transistors |
| 08/02/1977 | US4039965 Audio frequency transistor amplifier |
| 08/02/1977 | US4039964 Audio frequency transistor amplifier |
| 08/02/1977 | US4039950 Pulse code transmitter and receiver designed to produce uniform transfer characteristics in the face of component variations |
| 08/02/1977 | US4039861 Cross-coupled charge transfer sense amplifier circuits |
| 07/26/1977 | US4038607 Complementary field effect transistor amplifier |
| 07/19/1977 | US4037170 Difference amplifier having extended common mode range |
| 07/19/1977 | US4037169 Transistor amplifier |
| 07/19/1977 | US4037168 Transistorized UHF power amplifier comprising a ferroelectric sheet between a conductive base plate and a conductive pattern |
| 07/19/1977 | US4037166 Biasing arrangement for push-pull amplifier |
| 07/19/1977 | US4037118 Circuit arrangement for electronically applying an alternating voltage |
| 07/19/1977 | US4036763 Noise and drift correcting amplifier circuit for a live-scan imaging system |
| 07/12/1977 | US4035840 Television display apparatus having a video amplifier |
| 07/12/1977 | US4035738 Low noise amplifier |
| 07/12/1977 | US4035737 Low noise amplifier |
| 07/05/1977 | US4034312 Microwave oscillator using a transit time transistor |
| 07/05/1977 | US4034307 Current amplifier |
| 07/05/1977 | US4034306 D.C. amplifier for use with low supply voltage |
| 06/28/1977 | USRE29286 Power amplifier with a bootstrapped driver stage |
| 06/28/1977 | US4032956 Transistor circuit |
| 06/28/1977 | US4032864 Electronic circuit having a misfet as an amplifying element |
| 06/28/1977 | US4032855 Phonograph preamplifier network with infrasonic cutoff response |
| 06/28/1977 | US4032839 Current scaling circuits |
| 06/21/1977 | USRE29273 Direct-current-coupled transistor power amplifiers |
| 06/21/1977 | US4031482 Bias circuit for FET |
| 06/21/1977 | US4031481 Transistor amplifier |
| 06/14/1977 | US4030044 Monolithic amplifier having a balanced, double-to-single ended converter |
| 06/14/1977 | US4030043 Generalized operational amplifier |
| 06/14/1977 | US4030042 Feedback amplifiers |
| 06/14/1977 | US4030041 Analog isolator |
| 06/14/1977 | US4029976 Amplifier for fiber optics application |
| 06/07/1977 | US4028637 Parametrically-stable negative resistance diode circuit |
| 06/07/1977 | US4028634 Feed-forward amplifier with simple resistive coupling |
| 06/07/1977 | US4028633 Drive control to prevent simultaneous conduction in push-pull switching amplifier |
| 06/07/1977 | US4028632 Power dividing and combining techniques for microwave amplifiers |
| 06/07/1977 | US4028631 Current amplifiers |
| 06/07/1977 | US4028630 Push-pull amplifier arrangement |
| 06/07/1977 | US4028629 Band pass amplifier |
| 06/07/1977 | US4028564 Compensated monolithic integrated current source |
| 05/31/1977 | US4027272 Amplifier |
| 05/31/1977 | US4027271 Capacitor structure and circuit facilitating increased frequency stability of integrated circuits |
| 05/31/1977 | US4027270 Class ABC amplifier circuit |
| 05/31/1977 | US4027269 Audio line driver amplifier |
| 05/31/1977 | US4027118 Network having a transformer-coupled open-circuit stable negative impedance and a short-circuit stable positive impedance |
| 05/24/1977 | US4025873 Broadband, microwave, two-stage, stagger-tuned, field effect transistor amplifier |
| 05/24/1977 | US4025872 Negative resistance network |
| 05/24/1977 | US4025871 Audio amplifier for integrated circuit fabrication having controlled idling current |
| 05/24/1977 | US4025870 Low distortion amplifier having high slew rate and high output impedance |
| 05/24/1977 | US4025842 Current divider provided temperature-dependent bias potential from current regulator |
| 05/24/1977 | US4025802 Capacitance circuit |
| 05/17/1977 | US4024462 Darlington configuration high frequency differential amplifier with zero offset current |
| 05/17/1977 | US4023565 Circuit arrangement for the processing of physiological measuring signals |
| 05/10/1977 | US4023069 Vertical deflection circuit |
| 05/03/1977 | US4021751 Field effect transistor amplifier |
| 05/03/1977 | US4021750 Broad-band TRAPATT amplifier having a tapered idler circuit |
| 05/03/1977 | US4021749 Signal amplifying circuit |
| 05/03/1977 | US4021748 Amplifier with field effect transistors having triode-type dynamic characteristics |
| 05/03/1977 | US4021747 Signal amplifier circuit using a pair of complementary junction field effect transistors |
| 05/03/1977 | US4021746 Transistor amplifier having field effect transistors with stabilized drain bias current |
| 05/03/1977 | US4021745 Pulse width modulated signal amplifier |
| 05/03/1977 | US4021610 Control circuit for a matrixed four channel audio reproducing system |
| 05/03/1977 | US4021080 Anti-skid brake control system and components thereof |
| 04/26/1977 | US4020397 Parallel transistor protection circuit |
| 04/26/1977 | US4020364 Resistance read amplifier |
| 04/19/1977 | US4019071 Biasing current attenuator |
| 04/12/1977 | US4017805 Compensated electron beam deflection device |
| 04/12/1977 | US4017750 Circuit arrangement for effectively making integrated impedances accurate |
| 04/12/1977 | US4017749 Transistor circuit including source voltage ripple removal |
| 04/05/1977 | US4016503 High-reliability power amplifier |
| 04/05/1977 | US4016501 Switching amplifier system |