Plessey ICs

  • NJ8811 Synthesiser

    NJ8811 Frequency Synthesiser Plessey

    N-channel MOS integrated circuit with all the decoding and controlling circuitry for frequency synthesisers.

  • NJ8812 Synthesiser

    NJ8812 Frequency Synthesiser Plessey
    Frequency synthesiser with reference dividers, programmable divider, phase detector, interface for two modulud prescaler, and microprocessor compatibility

  • NJ8820 Synthesiser

    NJ8820 Frequency Synthesiser PLESSEY
    Frequency synthesiser with PROM interface, 'A' and 'M' counter, high-performance sample and hold phase detector and supply voltage of 5 Volt

  • NJ8821 Synthesiser

    NJ8821 Frequency Synthesiser PLESSEY
    Frequency synthesiser with reference oscillator, dividers and high-performance sample and hold phase detector and microprocessor interface

  • NJ8822 Synthesiser

    NJ8822 Frequency Synthesiser PLESSEY
    Frequency synthesiser with reference oscillator,  dividers, and high-performance sample and hold phase detector with fast lock-time

  • NJ88C22 Synthesiser

    NJ88C22 Frequency Synthesiser PLESSEY

    CMOS Synthesiser with reference oscillator, dividers, and high-performance sample and hold phase detector with fast lock-time, and serial data

  • NJ88C24 Synthesiser

    NJ88C24 Frequency Synthesiser PLESSEY
    Frequency synthesiser with reference oscillator,  dividers, and high-performance sample and hold phase detector with fast lock-time

  • NJ88C30 Synthesiser

    NJ88C30 Synthesiser Plessey
    Single chip VHF PLL synthesiser with reference oscillator and divider, dual modulus prescaler, phase comparator and all the necessary logic

  • SL201 Amplifier

    SL201 Amplifier Plessey
    High gain amplifier with feedback network, supply voltage of +12 volt, and an operating temperature point up to 140°C

  • SL301 Dual NPN Transistors

    SL301 Dual NPN Transistors PLESSEY
    The SL301 contain two PNP transistors with excellent matching parameters and a maximum collector voltage of 20 volt

  • SL503 IF Amplifier

    SL503C Wideband Amplifier Plessey

    Wideband amplifiers, intended for use in linear I.F. strips, operating at frequencies between 10MHz and 60MHz with 26dB of gain.

  • SL521 Log Amplifier

    SL503C Wideband Amplifier
    Wideband amplifier, intended for use in successive detection logarithmic I.F. strips, operating at frequencies between 10MHz and 100MHz

  • SL523 Dual Log Amplifier

    SL523 Logarithmic Amplifier Plessey
    Wideband amplifier, intended for use in successive detection logarithmic I.F. strips, operating at frequencies between 10MHz and 100MHz

  • SL525 IF Amplifier

    SL525 IF Log Amplifier PLESSEY
    The SL525 is a wideband amplifier, intended for use in successive detection logarithmic I.F. strips, operating at frequencies from 10MHz to 60MHz

  • SL610 RF Amplifier

    SL610C RF Amplifier PLESSEY
    Integrated RF amplifier with voltage gain of 20dB, and 50 dB of AGC range; operating temperature range is from -30°C to +85°C

  • SL611 IF/RF Amplifier

    SL611C IF Amplifier
    Integrated RF amplifier with voltage gain of 26dB, and 50 dB of AGC range; operating temperature range is from -30°C to +85°C

  • SL612 IF Amplifier

    SL612 IF Amplifier
    Integrated RF amplifier with voltage gain of 34dB, and 70 dB of AGC range; operating temperature range is from -30°C to +85°C

  • SL613 Limiting Amplifier

    SL613 Amplifier & AGC Detector Plessey

    The SL613 is a 150MHz limiting amplifier with an AGC detector. It is designed as RF compressor in SSB transmitter

  • SL620 AGG Generator

    SL620 Plessey
    The SL620C VOGAD (Voice Operated Gain Adjusting Device) is an AGC generator designed to work in conjunction with the SL630

  • SL621 AGC Generator

    SL621 Plessey AGC Generator
    The Plessey SL621 is an audio operated AGC generator, ideal for single sideband receiver, with fast attack and slow decay time

  • SL622 VOGAD & AMPLIFIER

    SL622 Plessey Vogad
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     The Plessey SL621 is an audio operated AGC generator, ideal for single sideband receiver, with fast attack and slow decay time 
    The SL622C circuit combines the functions of an audio amplifier with a VOGAD, and provide a constant output signal with a range of 60 dB.

  • SL623 AGC Generator

    SL623C AGC Generator Plessey
    The SL623 is an AM detector, an AGC generator, and an SSB demodulator; features negligible distortion, fast-acting AGC and high dynamic range

  • SL630 Audio Amplifier

    SL630C Audio Amplifier PLESSEY
    The SL630C is an audio amplifier with 40dB gain and a gain control of 60dB, and an output capability of 200mW when used with a 12V supply

  • SL640 Balanced Modulator

    SL640 Balanced Modulator Plessey
    The SL640 contains a double balanced modulator with integral output load resistor at working frequency up to 75MHz; the conversion gain is 0dB

  • SL641 Balanced Modulator

    SL641 Double Balanced Modulator Plessey
    Double balanced modulator for receiver mixer with conversion gain of 0dB, maximum input of 200mV, and free collector output.

  • SL701 - 702 DC Amplifier

    SL701 Plessey DC Amplifier
    The SL701 contain a high gain amplifier with balanced collector currents, a precision comparator front end, and work with a supply voltage of +12 volt

  • SL1521 Logarithmic Amplifier

    SL1521 Logarithmic Amplifier PLESSEY
    The SL1521 is a wideband amplifier with 12 dB of nominal gain for use in logarithmic IF at frequency up to 200MHz

  • SL2363 - 2364 Arrays

    SL2363C Transistors Array Plessey
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    The SL2363C and SL2364C are monolithic array of NPN transistors connected to form a dual long-tailed pair. Minimum usable frequency is 2.5 GHz

  • SL3127C NPN ARRAY

    SL3127C Transistors Array Plessey

    The SL3127C is a monolithic array of five NPN transistors useful for wide band amplifiers or high-speed circuits. Typical wideband noise figure is 3.6 dB

  • SL3145C NPN Array

    SL3145C Transistors Array Plessey
    The SL3145C is a monolithic array of NPN transistors useful for wide band amplifiers. Typical wideband noise figure is 3dB

  • SL6270C VOGAD

    SL6270C VOGAD Plessey
    The SL6270 is an audio amplifier with voice operated gain and a dynamic range of 50dB, fast attack time and a temperature range from -30 to 85°C

  • SL6440 Active Mixer

    SL6440 Balanced Mixer Plessey
    The SL6440 is an active, double balanced, high-level mixer with programmable gain and +30dBm of intercept point; the maximum frequency is 150 MHz

  • SL6601 FM Receiver

    SL6601 Circuit for Narrow Band FM Plessey
    The SL6601 contains a mixer, an IF amplifier and a PLL FM detector; features built-in squelch, low power consumption and high RF sensitivity

  • SL6635 FFSK Receiver

    SL6635 FFSK Receiver PLESSEY
    The SL6635 is a direct conversion, 200 MHz, FFSK (Fast Frequency Shift Keying) receiver with high sensitivity and low power consumption

  • SL6640 IF/AF for FM

    SL6640 Low Power IF Amplifier Plessey
    Single chip FM receiver with limiting amplifier, detector, carrier squelch, DC volume control and an audio amplifier with 200mW of power

  • SL6654 IF/AF for FM

    SL6654 IF/AF for FM radio PLESSEY
    Single chip FM receiver with low power consumption and stable RSSI usable up to 100 MHz; sensitivity is 3µV; DC current consumption is 1.5mA

  • SL6655 FM Receiver

    SL6655 FM Receiver Plessey
    Single conversion receiver with amplifier, mixer, oscillator, detector and consumption of only 1mA at 0.95V; sensitivity is 250nV for 12dB Sinad

  • SL6700 AM Radio

    SL6700 AM Radio PLESSEY
    The SL6700A is a double conversion IF amplifier with detector, a delayed AGC generator and a noise blanker for AM radio applications

  • SP1648 ECL Oscillator

    SP1648 ECL Oscillator Plessey
    The SP1648 is a VHF oscillator with compatible ECL outputs; the tank circuit consists of a varactor and an inductor

  • SP5055 Synthesiser

    SP5055 Single Chip Synthesiser Plessey
    The SP5055 is a single chip frequency synthesiser designed for TV tuning systems and input frequency of 2.5GHz; controls are via bi-directional IIC bus

  • SP705 Crystal Oscillator

    SP705 Crystal Oscillator Plessey
    The SP705 is a monolithic square wave oscillator designed for use with AT-cut quartz crystal, typical drive level is 0.15mW, and load capacitance is 14pF

  • SP8600A 250MHz Counter

    SP8600 250 MHz Counter PLESSEY
    The SP8600 is a divide by four 250 MHz counter with two complementary TTL compatible outputs,, supply voltage of -5V, and power consumption of 85mW

  • SP8601A 150MHz Counter

    SP8601 150 MHz Counter PLESSEY
    The SP8601 is a divide by four 150 MHz counter with AC or DC coupled input and ECL or TTL compatible outputs. The maximum working frequency is 150 MHz.

  • SP8602 500MHz Conter

    SP8602 Divide by Two 500 MHz Counter PLESSEY
    The SP8602 is a divide by two 500 MHz counter with AC coupled input and ECL compatible outputs. The maximum working frequency is 500MHz.

  • SP8607 600MHz Counter

    SP8607 Divide by Two 600 MHz Counter PLESSEY
    The SP8607 is a divide by two 600 MHz counter with AC coupled input and ECL II compatible outputs. The maximum working frequency is 600MHz.

  • SP8610 1GHz Counter

    SP8610M 1GHz Counter Plessey
    The SP8610 is a 1000 MHz, divide by four, circuit with ECL compatible outputs and high input sensitivity

  • SP8612B 1.8GHz Counter

    SP8612 1.8GHz Counter Plessey
    The SP8612B is an 1800 MHz divide by four counter with ECL compatible outputs and operate from -6.8V supply

  • SP8614 800MHz Counter

    SP8614 800MHz Counter PLESSEY
    The SP8614 is an 800 MHz, divide by four counter with ECL compatible outputs and high input sensitivity

  • SP8620

    SP8620 400MHz Counter PLESSEY

    The SP8620 is a 400 MHz, divide by five, counter which provides ECL compatible outputs and high input sensitivity

  • SP8621A & B 300MHz Counter

    SP8621 300MHz Counter PLESSEY
    The SP8621 is a 300 MHz, divide by five, counter which provides ECL compatible outputs and high input sensitivity

  • SP8634 Counter

    SP8634B 700MHz Counter PLESSEY

    The SP8634 is a divide-by-ten, 700 MHz counter which provides TTL and ECL compatible carry  outputs, and has a wide dynamic input range

  • SP8635 Counter

    SP8635B 600MHz Counter PLESSEY

    The SP8635 is a divide-by-ten, 600 MHz counter which provides TTL and ECL compatible carry  outputs, and has a wide dynamic input range

  • SP8647 250MHz ÷ 10/11 Counter

    SP8647 250MHz Counter PLESSEY

    The SP8647 is a divide by 10 or 11 250 MHz counter which ECL compatible inputs/outputs and open collector TTL outputs, and can operate down to DC.

  • SP8655 200MHz Counter

    SP8655 200MHz Counter PLESSEY
    The SP8655 is a divide by 32, 200 MHz, counter with high input sensitivity and open collector output that is TTL and CMOS compatible

  • SP8659 200MHz Counter

    SP8659 200MHz Counter Plessey
    The SP8659 is a divide by 16, 200 MHz, counter with high input sensitivity and open collector output that is TTL and CMOS compatible

  • SP8680 600 MHz Counter

    SP8680 600MHz Counter Plessey
    The SP8680 is a 600 MHz ECL counter; it divide by 10 or 11 and has two ECL 10K compatible outputs that can drive 50 ohm load ; power consumption is 420mW

  • SP8685 500MHz Counter

    SP8685 500MHz Counter Plessey
    The SP8685 is a divide by ten or eleven 500 MHz counter with ECL compatible outputs, high input sensitivity, and a working temperature up to 125°°C

  • SP8690 ÷ 10/11 Counter

    SP8690 200MHz Counter Plessey
    The SP8690A & B is a 200MHz divide by ten or eleven counter with TTL or ECL compatible outputs and power consumption of 70mW

  • SP8691 Counter

    SP8691 200MHz Counter Plessey
    The SP8691 is a 200MHz divide by eight or nine counter with TTL or ECL compatible outputs and power consumption of 70mW

  • SP8695 Counter

    SP8695 200MHz Counter Plessey
    The SP8695 is a 200MHz, divide by ten or eleven, counter with ECL 10K and TTL compatible outputs, and low power consumption

  • SP8703 Counter

    SP8703 Two modulus Counter Plessey
    The SP8703 is a low power, two modulus, divide by 128/129 prescaler with 1GHz input capability and CMOS only output interface.

  • SP8716 Counter

    SP8716 Two modulus Counter Plessey
    The SP8716 is a low power two modulus, divide by 40 or 41, counter with 520 MHz input capability, CMOS output interface, and a supply voltage of 5V

  • SP8718 Counter

    SP8716 Two modulus Counter Plessey
    The SP8718 is a low power two modulus, divide by 64 or 65, counter with 520 MHz input capability, CMOS output interface, and a supply voltage of 5V

  • SP8719 Counter

    SP8719 520MHz Counter Plessey
    The SP8719 is a low power, two modulus, divide by 80/81, prescaler with 520 MHz input capability and CMOS output interface

  • SP8720 Counter

    SP8720 300MHz Counter Plessey

    The SP8720 is a divide by 3/4 ECL 300MHz counter with ECL 10K compatible output and an operating temperature from -55°C to 125°C

  • SP8740 Counter

    SP8790 ÷4 Extender for 2-Modulus Counters Plessey
    The SP8740 and SP8741 are divide by 5/6 and divide by 6/7 ECL counter with ECL 10K compatible output

  • SP8790 Extender

    SP8790 ÷4 Extender for 2-Modulus Counters Plessey

    The SP8790 is a modulus extender for use with two-modulus counters. The controls input are CMOS and TTL compatible.

  • SP8792 Counter

    SP8792 225MHz Counter Plessey
    The SP8792 is a low power, two modulus divide by 80/81 prescaler with 225 MHz input capability and built-in voltage regulator

  • SP8793 Counter

    SP8793 225MHz Counter Plessey
    The SP8793 is a low power, two modulus divide by 40/41prescaler, with 225 MHz input capability, and built-in voltage regulator

  • SP8799 Counter

    SP8799 225MHz Counter Plessey
    The SP8799 is a low power, divide by10/11 counter with 225 MHz input capability and built-in voltage regulator

  • SP8861 Synthesiser

    SP8861 Synthesiser Plessey
    The SP8861 is a single chip synthesiser with two charge pumps and two programmable dividers

  • SP9768 DAC

    SP9768 D-A Converter Plessey
    The SP9768 is an high-speed DAC (digital to analog converter) with settling time of five nanoseconds, current output, and 50-ohm drive capability

  • SP9770 DAC

    SP9770 D-A Converter Plessey
    The SP9770B is a 10-bit DAC with 12nsec settling time. The chip includes a high-performance voltage reference and reference amplifier.

  • ZN427 8-BIT DAC

    ZN4278-BIT Successive Approximation ADC
    The ZN427 is an 8-bit DAC with 10µsec settling time. The chip includes a high-performance voltage reference and utilises successive approximation tecnique.