Analogue, Mixed Signal, LSI


Latest Articles

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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10 Gbps variable swing silicon germanium driver/receiver
31 July 2002
Extending its presence in the high-performance clock- and data-management arena, ON Semiconductor's NBSG16VS - a 2,5 V/3,3 V Silicon Germanium (SiGe) differential driver/receiver with a variable output ...

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Class-D amplifiers offer significant power savings
31 July 2002, Electrocomp
NJR offers new Class-D amplifiers that it claims offer significant power-savings and improved power efficiencies that allow customers to dramatically shrink the size of their product offerings. The NJU8721 ...

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5-5,5 GHz MMIC VCO with buffer amp
31 July 2002, RF Design
Hittite Microwave's HMC430LP4 is a GaAs InGaP Heterojunction Bipolar Transistor (HBT) MMIC VCO with integrated resonator, negative resistance device, varactor diode, and buffer amplifier. The VCO's phase ...

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FPGA design software has new capabilities
17 July 2002, ASIC Design Services
Actel has significantly enhanced its Designer field-programmable gate array (FPGA) software solution. The new release features two new capabilities - SmartPower, a robust power analysis tool, and Netlist ...

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Dual ultra-mini transistors
17 July 2002, MB Silicon Systems
Central Semiconductor has released six new Dual UltraMini transistors packaged in the SOT-363 surface-mount case. The new devices include the CMKT2222A, CMKT2907A, CMKT2207, CMKT3904, CMKT3906 and CMKT3946. Designed ...

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Broadband MMIC RF amplifiers
3 July 2002, RF Design
The RF Devices' NLB-300/310/400 cascadable broadband GaInP/GaAs MMIC amplifiers are a high-performance solution for general purpose RF and microwave amplification needs. This 50 Ohm gain block is based ...

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Small signal MOSFETs
3 July 2002, Electrocomp
Infineon Technologies offers a broad portfolio of small signal MOSFETs that cover a wide voltage range (30 to 250 V). Available in SOT 23, SOT 223 and SO 8 packages, small signal MOSFETs offer an excellent ...

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