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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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.
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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,...
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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...
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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...
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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...
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3538352 |
VARIABLE IMPEDANCE ACTIVE PULSE TRANSMISSION SYSTEM
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3538349 |
TRANSISTOR SWITCH
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3530315 |
JITTER-FREE TRIGGERING CIRCUIT
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3528036 |
FM MODULATOR FOR VIDEO RECORDING
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3521088 |
OSCILLOSCOPE TRIGGER CIRCUIT
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3518459 |
NEGATIVE RESISTANCE MAGNETORESISTIVE DEVICE
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3515907 |
FLECTRONIC LATCHING NETWORKS
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3510690 |
TRANSMISSION LINE COUPLED TUNNEL DIODE PULSE GENERATOR
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3479526 |
ELECTRICAL DISCRIMINATOR UNIT
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3459973 |
HIGH-SPEED BINARY COUNTER
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3459963 |
BISTABLE DIFFERENTIAL CIRCUIT
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3458733 |
HYBRID TRANSISTOR-NEGATIVE RESISTANCE DIODE CIRCUITS INCLUDING FEEDBACK
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3453448 |
THRESHOLD DETECTOR EMPLOYING A SHUNT CONNECTED TUNNEL DIODE
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3450902 |
STRUCTURE FOR REDUCING MISMATCH BETWEEN SYMMETRICAL AND ASYMMETRICAL TRANSMISSION LINE AND FAST RISE TIME GENERATOR UTILIZING SAME
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3441750 |
SELECTIVE CONTROL OF BISTABLE CIRCUIT WITH DIFFERENTIATED PULSES
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