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7573310 SET/RESET latch circuit, Schmitt trigger circuit, and MOBILE based D-type flip flop circuit and frequency divider circuit thereof  
The present invention relates to a SET/RESET latch circuit a Schmitt trigger circuit, and a MOBILE based D-type flip flop circuit and frequency divider circuit using the SET/RESET latch circuit and...
6864816 Method and apparatus for high-speed quantization using resonant tunneling technology  
An apparatus includes a quantizer circuit having a resonant tunneling device with an operational characteristic that includes a first region of unstable operation, and second and third regions of...
6826208 Nonlinear transmission line integrated circuit  
An all-silicon nonlinear transmission line (NLTL) is integrated with a pulse-forming circuit in the form of a reverse-biased diode. Relatively short, e.g., 27 ps, optical signals can be generated...
6456215 Method and system for quantizing an input signal  
In one aspect of the invention, a system for quantizing an input signal having a time-varying voltage includes a voltage-to-current converter operable to convert the input signal to a proportional...
6456214 High-speed comparator utilizing resonant tunneling diodes and associated method  
A high-speed comparator and an associated method are disclosed. The comparator utilizes input circuitry to receive the input signal and utilizes resonant tunneling diode (RTD) circuitry to provide...
6348887 Method and system for quantizing an analog signal utilizing a clocked resonant tunneling diode pair  
A system for quantizing an analog signal comprises an input terminal for receiving an analog input signal, a clock terminal for receiving a clock signal, and an inverted clock terminal for...
6323709 High-speed, compact, edge-triggered, flip-flop circuit  
A high-speed, compact, edge-triggered flip-flop circuit is provided which includes an input circuit section, a latch circuit section and an output circuit section. The input circuit section...
6323708 Flip-flop circuit  
The present invention includes: a series circuit which has a negative differential resistance element and another negative differential resistance element that has a control terminal capable of...
6288617 System and method for phase-locking a bridge with an optical pulse  
A phase-locking system is provided that includes a bridge, a light source and an optical pulse injector. The bridge includes a plurality of negative differential resistance devices for storing an...
6252430 Latching comparator utilizing resonant tunneling diodes and associated method  
A latching comparator and associated method are disclosed that utilize resonant tunneling diodes, or other two-terminal devices possessing regions of negative differential operating resistance in...
6243435 System and method for storing digital data utilizing a resonant tunneling diode bridge  
A system for storing digital data includes an input circuit, a clock circuit, and a bridge. The input circuit is coupled to receive an input signal. The clock circuit receives and transmits a clock...
6157220 High-speed differential comparator  
A high-speed differential comparator is disclosed. The comparator (100) includes a transconductance device (102 through 112) that receives first and second input voltages (V IN and -V IN ) and...
5852374 Resettable latched voltage comparator  
A resettable latched voltage comparator includes a resonant tunneling diode 10 connected in series with an amplifier 14 and a power source 16, and a reset circuit 12 connected between a circuit...
5825240 Resonant-tunneling transmission line technology  
Resonant-tunneling transmission lines in the various architectures rely on discrete or continuous resonant-tunneling heterostructures to actively modify propagating logic signals. One embodiment...
5140188 High speed latching comparator using devices with negative impedance  
A latching comparator circuit employs latching devices having a region of negative impedance separating regions of higher and lower positive impedance, such as resonant tunnel diodes, to...
4396999 Tunneling transistor memory cell  
A two state memory cell includes a bipolar transistor and a tunnel diode shunted across the base-collector junction thereof. A constant operating current is established through the transistor and...
4360897 Memory cell comprising tunnel diodes and field effect transistors  
A static memory cell uses a micro-tunnel diode as load to a switching circuit involving field effect transistors. Another field effect transistor circuit is used as gate for read-address and...
4251738 Balanced input zero differential detector  
A sensitive and precise detector is described for application in determining the "Centroid" of the video pulse of a radar return echo. A tunnel diode, connected and biased in a balanced...
3996484 Interactive negative resistance multiple-stable state device  
Devices exhibiting negative-resistance characteristics are adjusted and irconnected to form a composite device in a manner to permit negative-resistance regions of each device to cooperatively...
3983422 Detector having a constant false alarm rate  
A detector which is subject to temperature variations and power supply drift including a tunnel diode circuit having first and second stable states and a variable threshold that is sensitive to...
3967140 Tunnel diode pulse generator  
A tunnel diode pulse generator is triggered through a directional coupler. he tunnel diode is coupled across one end of an output transmission line through an impedance matching network which...
3813558 DIRECTIONAL, NON-VOLATILE BISTABLE RESISTOR LOGIC CIRCUITS  
A circuit consisting of a pair of bistable resistors connected in series at a node to which current may be applied and from which current may be drawn and having a source of potential connected to...
3809925 ANALOG-TO-DIGITAL CONVERTER LEVEL DETECTOR  
An improved analog-to-digital (A/D) converter is disclosed wherein each one of a number of level detectors includes a tunnel diode buffered from an input signal through a differential amplifier and...
3761739 NON-METASTABLE ASYNCHRONOUS LATCH  
This specification describes an asynchronous latch employing a tunnel diode to prevent the latch from entering what is referred to as a metastable state. The synchronous latch relies on the...
3721837 TUNNEL DIODE SUPPLY VOLTAGE CONTROL  
Supply or biasing voltage is applied to tunnel diode through long-time-constant supply circuit from source voltage higher than turn-on value at which diode displays negative resistance. Output...
3676707 JITTER FREE TRIGGER PULSE GENERATOR  
In a trigger pulse generator for an oscillator jitter is liable to occur in the trigger pulses because of uncertainties in the timing of the end of the hold-off signal relative to the instants at...
3668426 DIFFERENTIAL PULSE HEIGHT DISCRIMINATOR  
A pair of transistors are each normally biased to saturation, one more strongly than the other. A tunnel diode connected between the collectors, respectively, produces an output voltage only when...
3665214 SHIFT REGISTER USING INTEGRATED NEGATIVE RESISTANCE DEVICES  
One example of a shift register comprises a row of triangular n-type regions diffused into a p-type wafer. An n-type back contact region extends along the wafer opposite the row. Alternate n...
3612915 TRIGGERABLE APPARATUS  
A Schmitt trigger circuit comprises a tunnel diode in series with a transistor amplifier, with a load resistor shunted across the series combination. The output of the transistor amplifier is...
3612910 TRIGGERED PULSE GENERATOR HAVING AUTOMATIC BIAS ADJUSTMENT  
A triggered pulse generator circuit is described including a tunnel diode or other negative resistance device connected as a bistable switching circuit whose forward bias is automatically adjusted...
3582972 HIGH-SPEED PULSE COUNTER  
High speed tunnel-diode counter constructed in successive stages and connected to assure a change of pulse polarity at each stage, the necessary condition for best operation.
3569733 REVERSIBLE COUNTER CIRCUIT UTILIZING TUNNEL DIODES  
A reversible counter circuit (sometimes called an up-down counter) is disclosed, utilizing a plurality of tunnel diodes connected in series with an upcount pulse switch in a constant current path,...
3558930 JITTER-FREE TRIGGERING METHOD AND APPARATUS  
In a system for triggering an oscilloscope, an input-triggering signal is detected at the conclusion of a holdoff signal, the latter having a duration as long as the time required by the circuit to...
3557346 OPTICAL BINARY COUNTER  
A binary counter including at least two digital divide-by-two circuits connected in cascade, each of said digital divide-by-two circuits which provides the means for obtaining one binary units...
3553496 SWITCHING ARRANGEMENT COMPRISING A TUNNEL DIODE  
A switching arrangement comprising a tunnel diode, for the monitoring or control of a voltage range, having a differential amplifier with two outlets, one input of which is connected to a reference...
3538352 VARIABLE IMPEDANCE ACTIVE PULSE TRANSMISSION SYSTEM  
3538349 TRANSISTOR SWITCH  
3530315 JITTER-FREE TRIGGERING CIRCUIT  
3528036 FM MODULATOR FOR VIDEO RECORDING  
3521088 OSCILLOSCOPE TRIGGER CIRCUIT  
3518459 NEGATIVE RESISTANCE MAGNETORESISTIVE DEVICE  
3515907 FLECTRONIC LATCHING NETWORKS  
3510690 TRANSMISSION LINE COUPLED TUNNEL DIODE PULSE GENERATOR  
3479526 ELECTRICAL DISCRIMINATOR UNIT  
3459973 HIGH-SPEED BINARY COUNTER  
3459963 BISTABLE DIFFERENTIAL CIRCUIT  
3458733 HYBRID TRANSISTOR-NEGATIVE RESISTANCE DIODE CIRCUITS INCLUDING FEEDBACK  
3453448 THRESHOLD DETECTOR EMPLOYING A SHUNT CONNECTED TUNNEL DIODE  
3450902 STRUCTURE FOR REDUCING MISMATCH BETWEEN SYMMETRICAL AND ASYMMETRICAL TRANSMISSION LINE AND FAST RISE TIME GENERATOR UTILIZING SAME  
3441750 SELECTIVE CONTROL OF BISTABLE CIRCUIT WITH DIFFERENTIATED PULSES  
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