| Patents for H03H 11 - Networks using active elements (9,098) |
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| 10/26/1994 | EP0621687A2 Audio amplifier arrangement |
| 10/26/1994 | EP0621650A1 A 90 degree phase shifter |
| 10/25/1994 | US5359275 Load current fundamental filter with one cycle response |
| 10/18/1994 | US5357224 Continuously-variable monolithic RF and microwave analog delay lines |
| 10/18/1994 | US5357221 Regulation of modulator I and Q signal phasing |
| 10/18/1994 | US5357208 Boost function for filters |
| 09/29/1994 | WO1994022215A1 High gain, low distortion, faster switching transistor |
| 09/21/1994 | EP0616459A1 Circuit for transmission of communication-signals |
| 09/20/1994 | US5349548 Non-integral delay circuit |
| 09/20/1994 | US5349313 Variable RF power splitter |
| 09/20/1994 | US5349303 Electrical charge transfer apparatus |
| 09/15/1994 | WO1994019867A1 Opto-electronic transconductors |
| 09/13/1994 | US5347239 Step attenuator |
| 09/13/1994 | US5347238 Bipolar microwave monolithic voltage controlled oscillator using active inductors |
| 09/08/1994 | DE4306512A1 Filter circuit having a resonator operated in series resonance |
| 09/07/1994 | EP0614273A1 Filtering circuit with a resonator in series resonance |
| 09/07/1994 | EP0614243A1 Electrical filter |
| 09/06/1994 | US5345377 Harmonic controller for an active power line conditioner |
| 09/06/1994 | US5345190 Modular low voltage filter with common mode feedback |
| 09/06/1994 | US5345123 Attenuator circuit operating with single point control |
| 09/06/1994 | US5345119 Continuous-time filter tuning with a delay-locked-loop in mass storage systems or the like |
| 09/06/1994 | US5345118 Precision MOS resistor |
| 09/04/1994 | CA2116367A1 Amplifying filter |
| 09/01/1994 | WO1994019763A1 Signal processing circuit comprising switched transconductors |
| 08/31/1994 | EP0613245A1 Digital phase shifter |
| 08/30/1994 | US5343177 Simulated coupled inductors using generalized impedance converters |
| 08/30/1994 | US5343172 Variable reactance circuit for microwave or millimeter wave band and variable matching circuit using variable reactance circuit |
| 08/30/1994 | US5343170 Voltage controlled oscillator provided with negative feedback biasing |
| 08/16/1994 | US5339019 Current sink |
| 08/10/1994 | EP0610066A1 Capacitance multiplier for the internal frequency compensation of switching regulator integrated circuits |
| 08/10/1994 | EP0610058A2 Device for suppressing voltage fluctuation and higher harmonics |
| 08/09/1994 | US5337025 Adaptive equalization circuit for equalizing the frequency response of varying lengths of transmission line |
| 08/04/1994 | WO1994017590A1 Circuit technique that sets transconductance |
| 08/04/1994 | WO1994017589A1 Slimmer circuit technique |
| 08/04/1994 | WO1994017490A1 A CONTINUOUS-TIME FILTER AND EQUALIZER COMPRISING A PARASITIC-INSENSITIVE BiCMOS ACTIVE INTEGRATOR |
| 08/03/1994 | EP0608666A1 Time delay filter monolithically integratable |
| 08/02/1994 | US5334891 Variable delay circuit for producing a delay which varies as a hyperbolic function of the current intensity |
| 07/27/1994 | EP0608071A2 Bucket brigade analog delay line with voltage limiting feedback |
| 07/27/1994 | EP0607702A2 A variable equalization amplifier |
| 07/27/1994 | EP0607630A1 Circuit for delaying a useful signal |
| 07/26/1994 | US5332937 Transconductor stage for high frequency filters |
| 07/19/1994 | US5331299 Adaptive tracking notch filter system |
| 07/19/1994 | US5331218 Switched-capacitor notch filter with programmable notch width and depth |
| 07/06/1994 | CN1025399C Amplifier for limiter |
| 07/05/1994 | US5327302 Data filter tuning for constant density recording applications |
| 07/05/1994 | US5327027 Circuit for multiplying the value of a capacitor |
| 06/29/1994 | CN1025265C Universal wave filter |
| 06/28/1994 | US5325317 Digitally programmable linear phase filter having phase equalization |
| 06/28/1994 | US5325070 Stabilization circuit and method for second order tunable active filters |
| 06/28/1994 | US5324999 Input buffer with compensated low-pass filter network |
| 06/24/1994 | CA2086172A1 Analog feedback rank order filter |
| 06/22/1994 | EP0602952A2 Continuously variable electronically controlled phase shift circuit |
| 06/22/1994 | EP0602723A1 Integrated circuit with an electrically adjustable parameter |
| 06/16/1994 | DE4242201A1 Delay circuitry variable while operating - stores discrete signal samples at intervals determined by clock signal in sequence in chain of memory elements |
| 06/15/1994 | EP0601467A1 Automatic signal termination system for a computer bus |
| 06/08/1994 | EP0600141A1 Transconductor stage |
| 06/07/1994 | US5319704 Control circuit for voltage controlled attenuator for speakerphones |
| 06/01/1994 | EP0524947B1 Circuit arrangement for a tank circuit of a high frequency transmitter output stage operated with frequency shift keying |
| 05/31/1994 | US5317290 MMIC (monolithic microwave integrated circuit) switchable bidirectional phase shift network |
| 05/31/1994 | US5317288 Continuously variable electronically controlled phase shift circuit |
| 05/31/1994 | US5317217 Universal active filter |
| 05/31/1994 | US5317216 Active filter circuit |
| 05/31/1994 | US5317200 Phase shift circuit apparatus |
| 05/24/1994 | US5315399 Capacitive circuit |
| 05/24/1994 | US5315171 Analog feedback rank order filter |
| 05/18/1994 | EP0597497A1 Electronically tuned matching networks using adjustable inductance elements and resonant tank circuits |
| 05/17/1994 | US5313595 Automatic signal termination system for a computer bus |
| 05/17/1994 | US5313438 Delay apparatus |
| 05/17/1994 | US5313122 Capacity ground type filter circuit |
| 05/11/1994 | WO1994010819A1 Hearing aid with permanently adjusted frequency response |
| 05/11/1994 | WO1994010745A1 Harmonic controller for an active power line conditioner |
| 05/11/1994 | WO1994010743A1 Load current fundamental filter with one cycle response |
| 05/11/1994 | CA2146987A1 Load current fundamental filter with one cycle response |
| 05/11/1994 | CA2146761A1 Harmonic controller for an active power line conditioner |
| 05/10/1994 | US5311141 Active filter circuit |
| 05/10/1994 | US5311088 Transconductance cell with improved linearity |
| 05/05/1994 | DE4236947A1 Sample=and=hold circuit with low pass filter - has additional switching element integrated in filter for which output voltage is constant when open and equal to last value when closed |
| 05/04/1994 | EP0595393A1 Continuous-time analog signal filter arrangement, for use as an equalizer |
| 05/04/1994 | EP0594922A1 AC integrated coupler with phase equalizer |
| 05/03/1994 | US5309124 Analog variable phase shifter with active matching circuits |
| 05/03/1994 | US5309048 Distributed digital attenuator |
| 04/28/1994 | WO1994009415A1 Method and apparatus for controlling a current generator |
| 04/27/1994 | EP0594074A1 Controllable electronic resistance |
| 04/26/1994 | US5307031 Standard or reference transmission line with variable group time delay |
| 04/19/1994 | US5304858 Apparatus for maintaining a low power loss within an input stage for digital signals |
| 04/13/1994 | CN1085361A Resultant impedance matching method for multivariable dynamic microwave network |
| 04/12/1994 | US5302958 Low loss, fast switching, tunable filter circuit |
| 04/06/1994 | EP0590516A1 Voltage controlled device |
| 04/05/1994 | US5300904 Circuit arrangement for the tank circuit of a high-frequency transmitter output stage operated with frequency shift keying |
| 04/05/1994 | US5300838 Agile bandpass filter |
| 04/05/1994 | US5300834 Circuit with a voltage-controlled resistance |
| 04/05/1994 | US5300826 Interface circuit for audio signal |
| 03/30/1994 | EP0589763A1 Method for delaying a signal and corresponding delay-circuit |
| 03/30/1994 | EP0589676A1 Variable voltage to current conversion circuit |
| 03/29/1994 | US5298813 Polar leapfrog filter |
| 03/29/1994 | US5298809 Balanced type differential integrating circuit |
| 03/29/1994 | US5298806 Integrated circuit and gate array |
| 03/29/1994 | US5298800 Digitally controlled element sizing |
| 03/23/1994 | EP0587962A1 Method and circuit for implementing an impedance, in particular for D.C. telephonic applications |
| 03/22/1994 | US5296763 Polar leapfrog filter |