Analogue, Mixed Signal, LSI


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FET input amplifiers designed for high performance
10 September 2002
When it came to using FET-input amplifiers, it used to be that the inexpensive ones did not have the necessary performance and the ones that did were just too expensive. But according to Analog Devices, ...

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Serial voice memory chip
10 September 2002, KH Distributors
Winbond Electronics has launched the W551C, a line of speech serial memory ICs suited for a wide variety of toy applications. Winbond, a leader in IC solutions for the toy market, currently offers the ...

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Tiny powerful CMOS amps have low power consumption in shutdown
10 September 2002
The AD8591/AD8592/AD8594 are single, dual, and quad CMOS op-amps from Analog Devices that have an extremely low power consumption in shutdown mode. Despite their small footprint, AD859x amplifiers feature ...

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Stereo power amp for portable audio
10 September 2002
The SSM2250 is an ideal audio solution for any product that includes a single internal speaker and stereo headphones. This Analog Devices product sums the right and left inputs to drive a monaural internal ...

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Hardcoated mobile workstation with 15"/12" TFT screen
10 September 2002, Centurion Micro Electronics
On land, at sea or in the air, the MIL Series is a reliable, rugged device for when one needs computing power in obscure places. Arbor's MIL Series has been carefully designed and constructed to meet ...

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Dedicated fully-buffered audio crosspoint switch
10 September 2002
Analog Devices' AD8113 is a complete audio and video routing solution in one package. It operates on ±12 V supplies for audio applications and can deliver a ±10 V output swing for maximum dynamic range. ...

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Design to maximise battery life for intelligent sensor systems
28 August 2002
This article describes how to use event-driven techniques to maintain the lowest possible power consumption in single-cell, battery-powered intelligent sensor applications. Examples of such applications ...

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High performance audio amps for a range of applications
28 August 2002
A world leader in amplifiers, Analog Devices (ADI) offers a range of audio amplifiers for many audio applications. ADI set the industry standard with its OP275 dual bipolar/JFET op-amp for pro audio. ...

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The 'MicroBuddy', an essential microcontroller companion
28 August 2002, Communica
The 'MicroBuddy', a microcontroller companion IC, integrates a complete suite of support functions. The SH3000 device from Semtech melds a low-Vdd and power-on reset function, watchdog timer, clock management ...

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Small 16 bit SAR ADC
28 August 2002
Designers are being faced with more and more space-constrained applications, and Analog Devices has responded with a SOT-23 package within its expanding 16 bit SAR ADC portfolio. The company's AD7680, ...

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-48 V telecom system supply monitor
28 August 2002
Linear Technologies' LTC1921, plus three resistors, provide a complete precision dual -48 V battery voltage and fuse monitoring solution for high reliability telecom equipment in less than 20 mm2 of space. ...

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PWM motor control IC for DC motors
28 August 2002, Altron Arrow
Designed for pulse-width modulated (PWM) current control of DC motors, Allegro MicroSystems' A3948 integrated circuit can deliver a continuous output current of up to ±1,5 A and an operating voltage up ...

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High performance ADC with programmable signal conditioning
28 August 2002
Analog Devices' AD7725 is a complete 16-bit, sigma-delta converter based on a fifth order modulator and a programmable digital processor. Processing power is equivalent to 130 million multiply-accumulate ...

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VCXO designed for ADSL and set-top box applications
28 August 2002
The wide pull-range of ±100 x 106 of the Epson VG4231CA responds to the essential design requirements of networking equipment, particularly ADSL and set-top box products. Measuring 7 x 5 x 1,55 mm, this ...

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Understanding inputs of ADCs
28 August 2002
Many embedded applications use an A/D converter. However, many users unknowingly ruin the A/D measurements by connecting incorrect circuitry to the A/D converter input.    Figure 1 shows typical application ...

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Single rail-to-rail operational amplifier
28 August 2002
The NCS7101 device has become an industry standard, according to manufacturers On Semiconductor. Low voltage operation down to 1,8 V with a typical unity gain bandwidth of 1 MHz makes this op-amp suitable ...

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Versatile programmable amplifiers use digital potentiometers with nonvolatile memory
28 August 2002
In concept, an op-amp and a mechanical potentiometer can easily be combined to form an adjustable-gain amplifier, useful where electronic adjustments are needed. However, this combination is often unfeasible ...

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Precision oscillator needs only one resistor
28 August 2002
Linear Technology's LTC6900 is a SOT-23 packaged oscillator IC that generates any frequency from 1 kHz to 20 MHz. The frequency can be accurately set without the need of a crystal, ceramic resonator, ...

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25 GHz bipolar RF transistors
14 August 2002, Altron Arrow, EBV Electrolink
Vishay's silicon NPN planar RF transistors are designed to serve as RF front-ends for analog and digital wireless comms systems up to 3 GHz, as well as TV and satellite tuners, GPS systems, and high-frequency ...

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Digital video decoder
14 August 2002, Electrocomp
The STV2310 is a high-quality video front-end circuit designed to process worldwide PAL, NTSC and SECAM analog standards into digitised 4:2:2 YCrCb video format. This ST Microelectronics device provides ...

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