Matches 1 - 50 out of 132 1 2 3 >
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7417472 Multi-channel integrated circuit  
A multi-channel integrated circuit is provided in which each channel has an analog section and a digital section. Each channel of the readout chip employs low noise charge sensitive amplifier at...
7298181 Highest supply selection circuit  
A power supply monitoring circuit that monitors and delivers the highest voltage power supply to an IC system includes a voltage comparator that receives two different power supply voltages, and...
7295044 Receiver circuits for generating digital clock signals  
A digital clock generation circuit (and a method for operating the same). The digital clock generation circuit includes a first, a second, a third differential comparator circuits. The first...
7126386 Multi-channel integrated circuit  
A multi-channel integrated circuit is provided in which each channel has an analog section and a digital section. Each channel of the readout chip employs low noise charge sensitive amplifier at...
7053671 Low-jitter differential-to-single-ended data conversion circuits  
Circuitry is provided for converting differential digital data to single-ended digital data. Differential data signals have complementary pairs of signals that are referenced to each other....
6977532 Dual differential comparator circuit with full range of input swing  
The differential comparator circuit for receiving an input voltage within a pre-determined range, amplifying the input voltage, and outputting an output voltage is provided. The circuit includes: a...
6838914 Semiconductor device  
As devices are often different in the characteristics from one another, semiconductor chips based on the devices have discrepancies in the performance. A semiconductor device having a semiconductor...
6806744 High speed low voltage differential to rail-to-rail single ended converter  
A method and system is arranged to convert a differential low-voltage input signal (e.g. LVDS or RSDS) into a single-ended output signal. An operational trans-conductance amplifier (OTA) is...
6788114 Comparator with high-voltage inputs in an extended CMOS process for higher voltage levels  
A circuit and method are given, to realize a high voltage comparator, which generates an output signal for follow-up processing in the low-voltage domain. The high-voltage comparison task is...
6759701 Transistor circuit  
MOS transistors A and B form a transistor circuit (an inverter in this case). A MOS transistor D is one for interrupting leakage current that has a channel length longer than those of the MOS...
6639432 Self calibrating, zero power precision input threshold circuit  
An apparatus comprising one or more input circuits. The input circuit may be configured to generate an output signal in response to (i) an input signal and (ii) an input threshold. The input...
6570934 Single-end-zero receiver circuit  
An object of the invention is to prevent an erroneous operation of the internal circuits due to glitches and to dispense with a circuit as a countermeasure against glitches. There are provided a...
6445218 Comparator with offset voltage  
A comparator according to the present invention can generate an output signal of low or high level by comparing a first and second input voltages that have a common voltage. An input stage circuit...
6396311 Transconductance amplifier circuit  
A reference-corrected ratiometric current sensing circuit for sensing a current flowing through a load and a power-controlling pass device includes a sense device, a sense resistor, and a variable...
6333648 Readout chip for nuclear applications  
A multi-channel readout chip is provided in which each channel has an analog section and a digital section. Each channel of the readout chip employs low noise charge sensitive amplifier inputs with...
6316971 Comparing and amplifying detector circuit  
A comparing detector circuit capable of operating regardless of input voltages thereto includes a first pair of transistors to which first and second input signal voltages are input for functioning...
6285222 Power-on reset circuit, and semiconductor device  
A /POR circuit which can detect a power-on of a power supply voltage without fail even in a case where a potential of the power supply rises gently and which produces a /POR signal having a...
6252433 Single event upset immune comparator  
A single event upset immune analog comparator which comprises simple comparators with either open-collector, or non-open-collector outputs. Input voltage and/or current compensation may also be...
6150849 Readout chip for nuclear applications  
A multi-channel readout chip is provided in which each channel has an analog section and a digital section. Each channel of the readout chip employs low noise charge sensitive amplifier inputs with...
6087866 Circuit for producing a reset signal  
A circuit for producing a reset signal includes a voltage divider at which a first voltage proportional to a supply voltage can be tapped off. A resistor and a Zener diode disposed in the reverse...
6078213 Method and hardware apparatus for implementing an N-sample median filter  
A hardware apparatus for determining a median sample from n input samples is disclosed. The hardware apparatus includes n(n-1)/2 comparator circuits. The n(n-1)/2 comparator circuits compare each...
5923219 Automatic threshold control circuit and signal amplifying circuit for amplifying signals by compensating for low-frequency response of photodetector  
An automatic threshold control circuit includes a bottom detection circuit, a relative peak detection circuit, and a voltage divider circuit. The bottom detection circuit detects an absolute...
5909132 Resistance bridge and its use in conversion systems  
An electrical network creates a differential voltage signal and comprises a plurality of first impedance elements of substantially equal values which are connected to form an impedance bridge. The...
RE36179 Switching circuit for selecting an output signal from plural input signals  
A switching circuit has input terminals, switching MOS transistors, and a control circuit having a control terminal. Diodes are connected between the respective input terminals and the control...
5889419 Differential comparison circuit having improved common mode range  
A differential comparison circuit obtains an improved common mode range with respect to the voltages on first and second inputs. A first comparator is activated when the first and second input...
5838171 Low power real-time clock circuit having system and battery power arbitration  
A circuit for power arbitration, low battery voltage detection, and the operation of battery backed circuitry for systems in which the system power supply voltage range overlaps that of a battery...
5821809 CMOS high-speed differential to single-ended converter circuit  
A CMOS differential to single-ended converter is implemented. A differential input stage comprised of a pair of N-channel transistors draws current through two fixed current P-channel load...
5783964 Backup battery switch with first power up control  
A switching circuit for switching between a main power supply and a battery power supply only after first power up includes a switch, a first power up transfer transistor and a first power up...
5781042 Modal transition imbalance detector  
A magnetoresistive sensor and preamplifier system has an excess differential imbalance detector, (a) for detecting magnitude differences between a pair of signals occurring at the output of a...
5712590 Temperature stabilized bandgap voltage reference circuit  
A voltage reference circuit includes at least a first and a second voltage supply having different operating temperature ranges. Output voltages of the two voltage supplies are compared and one of...
5703506 Signal processing method  
A signal processing circuit (10) performs a sample and hold (16) of an input signal (14) and stores a maximum value of the input signal (18). A guardband signal (21) is developed that is less than...
5696458 Front end data readout chip  
A multi-channel readout chip is provided in which each channel has an analog section and a digital section. Each channel of the readout chip employs low noise charge amplifiers with self trigger...
5654655 Driver circuit for semiconductor test system  
A driver circuit for a semiconductor test system that can reduce power consumption significantly, set the power-supply voltage to low level, and can facilitate mearsurments against temperature...
5532618 Stress mode circuit for an integrated circuit with on-chip voltage down converter  
A stress mode circuit is provided to generate a voltage that is either equal to a reference voltage or is a proportion of an external voltage (VCCEXT). The circuit includes two voltage divider...
5488320 Comparator having latched output when disabled from the power supply  
A comparator (10) operates in comparator mode or in static leakage current test mode as determined by a control signal. In the comparator mode, the comparator receives a differential input signal...
5436582 Comparator device for selecting received signals  
A comparator device is designed for comparing the signal levels of first and second input signals to provide respective resultant comparator outputs independently, which comparator device is...
5426386 Low-power semiconductor voltage comparator with hysteresis  
The low power voltage comparator with hysteresis includes a comparator (10) that is operable to receive the output from a battery (14) on the positive input thereof and the output of a battery (16)...
5274280 Semiconductor integrated circuit device having separate supply voltages for the logic stage and output stage  
A semiconductor integrated circuit device has a plurality of emitter-coupled logic (ECL) gates. Separate power source wiring lines are provided for current switch circuits and emitter follower...
5214319 Monotonic pulse detector  
A pulse detector keeps track of the peak value of an analog input signal and clocks output data pulses into a flipflop and shift register at peak values thereof while it monotonically increases in...
5175749 Apparatus and method for DC offset correction in a receiver  
An apparatus automatically corrects for DC offset in a multi-level packet-switched receiver. A reference carrier frequency is used during the receiver's idle mode to establish a DC offset exiting a...
4973913 Radiation measuring apparatus  
A radiation measuring apparatus capable of producing pulses whose number depends on measured radiation energy and in which the number of pulse height discriminators outputting the pulses is...
4968902 Unstable data recognition circuit for dual threshold synchronous data  
A circuit allows digital data acquisition instruments to recognize when dual threshold synchronous data being monitored in unstable. Each data line being monitored for unstable periods is compared...
4789836 Circuit for use with a light pen to reduce jitter  
A high resolution light pen comprises a collimation tube slidably mounted within a housing. The collimation tube includes an axially extending channel having a non-reflective surface. A...
4736163 Circuit for detecting and suppressing pulse-shaped interferences  
The circuit arrangement for detecting pulse-shaped interferences in an electrical signal comprises an input (7), a high-pass filter (8) having a cut-off frequency lying between 40 Hz and 1000 Hz,...
4704546 Auctioneering circuit  
An auctioneering circuit is provided which utilizes voltage signals that are representative of current signals passing through secondary windings of current transformers. A voltage signal is...
4694200 Device for detecting a pulse train in noise and application to a radionavigation aid system of DME type  
A device for detecting, among noise, each of the pulses of a pulse train, comprising essentially: a detector detecting the peak of a pulse; a first delay line; a first comparator comparing the...
4634896 Method and apparatus for qualifying valid data peaks in a read/write channel  
A circuit and method for qualifying valid data peaks within a raw readout signal. The raw readout signal is of the type generated when data is retrieved from magnetic storage devices. The raw...
4587439 Pulse generator comprising at least two voltage comparison circuits  
A pulse generator for generating pulses having pulse edges at instants at which a varying amplitude input voltage is equal to one of at least two threshold values produced by a voltage source. The...
4549099 Periodic signal detecting circuit including comparator circuit with variable threshold and varying time constant  
A periodic signal detecting circuit including a comparator compares a threshold voltage varying with a time constant and an engine speed signal from an electromagnetic pickup coil so as to generate...
4409497 Window comparator circuit  
A window comparator circuit includes an input terminal, first and second reference voltage terminals to be supplied with first and second voltages different from each other, first and second...
Matches 1 - 50 out of 132 1 2 3 >