Analogue, Mixed Signal, LSI


Latest Articles

LNAs have high dynamic range
7 April 2004
Four high IP3 GaAs MMIC low noise amplifiers from Hittite Microwave for receiver applications in wireless basestations operate from a single positive supply, feature a noise figure of 1 dB or less, and ...

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Novel ADC for digital microphones
7 April 2004
By supporting the full audio band up to 20 kHz, Zarlink's new ultra-low-power mixed-signal A/D converter for digital microphones helps achieve clearer sound quality in cellphones. In addition, the convertor ...

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Axial-coated silicon resistors
24 March 2004, Electrocomp
Arcol's axial-coated silicon resistors feature resistance tolerances offered from 0,05% to 10%. Both inductive and non-inductive resistors are available in values that range from R005 to 100 kΩ. Rated ...

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Mixers feature integrated LO driver amp
24 March 2004
Hittite Microwave's two new mixers with integrated LO driver amplifiers require only 0 dBm of LO drive. These GaAs MMIC mixers for Cellular/PCS/3G Infrastructure, Fixed Wireless and point-to-point applications ...

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SiGe RF transistors for wireless applications
10 March 2004, Electrocomp
Infineon has designed its latest generation of Silicon-Germanium (SiGe) technology to provide optimum RF performance with a very low noise ratio. SiGe RF transistors are designed for highest-frequency ...

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Precision instrumentation amp in MSOP package has high CMR
10 March 2004, Perimeter Security, Alarms & Intruder Detection, Products & Solutions
The AD8221 instrumentation amplifier provides the highest CMR (common mode rejection) over frequency of any instrumentation amplifier available in an MSOP package (half the size of a traditional SOIC ...

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15 W Class-D amplifier for flat-panel displays
10 March 2004, CST Electronics
Maxim says that its MAX9704, a 15 W stereo, Class-D audio amplifier, offers the audio quality typically associated with linear (Class-AB) amps and the benefits of high-efficiency Class-D operation, eliminating ...

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Tight tolerance all-silicon dual clock oscillator
10 March 2004, CST Electronics
Dallas Semiconductor claims its DS1099, a low-power, low-frequency oscillator, is the world's smallest single-component, all-silicon dual oscillator. The DS1099 EconOscillator provides two independently ...

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Sub 1 PPM TCV/CXO suitable for lead-free soldering
10 March 2004, Altron Arrow
C-MAC MicroTechnology, has extended its range of frequency control products with the CFPT-125 series, a range of 7 x 5 x 2 mm SMD temperature-compensated voltage-controlled crystal oscillators (TCVCXO). ...

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Headphone amp operates down to 0,9 V
10 March 2004, CST Electronics
Maxim has extended its DirectDrive headphone amplifier series with the introduction of the MAX9721A/B/C devices. The MAX9721 operates from a 0,9 to 1,8 V single supply, allowing the device to be powered ...

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Ultra-low noise op-amps draw very low current
10 March 2004
Two new families of high-speed operational amplifiers from Linear Technology set new low power and low noise performance benchmarks. These devices are claimed to consume only 50% as much power as competitive ...

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Digital potentiometers cut price of non-volatile memory
25 February 2004
Analog Devices' AD517x family features compact 'set and forget' digital potentiometers with the ability to lock their resistance to a chosen value upon command. The AD517x family replaces mechanical trimmers ...

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Low-resistance analog switches also smallest
25 February 2004, Altron Arrow
Fairchild Semiconductor offers three new low-Ohmic analog switch products - the FSA4157 single pole/double throw (SPDT), FSA1156 normally open single pole/single throw (SPST NO) and the FSA1157 normally ...

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Audio transistors have highest voltage rating
25 February 2004
A new family of audio bipolar transistors claimed to have the highest voltages available in the industry is being offered by ON Semiconductor. The MJL4281A (NPN) and MJL4302A (PNP) audio-output transistors ...

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10/12 bit high-speed ADCs also low powered
25 February 2004, Altron Arrow, Transport (Industry)
National Semiconductor has strengthened its portfolio of high-speed analog-to-digital converters (ADCs) by introducing five new 10- and 12-bit converters that it claims feature the industry's lowest power ...

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Dual-channel temperature sensor
25 February 2004
Analog Devices' ADT7461 digital temperature sensor can monitor a wide temperature range. It automatically cancels temperature errors due to resistance in series with the remote sensor. The default temperature ...

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Accurate temperature switches
25 February 2004, CST Electronics
Maxim has introduced fully integrated temperature switches in 6-pin SOT package that provide ±1,5°C (max) accuracy over the full factory-programmed range. The MAX6514/MAX6515 assert a logic signal when ...

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Design study: the measurement of temperature of low-voltage heating elements
11 February 2004, Altron Arrow, EBV Electrolink
Most applications which incorporate a heating element require measurement of temperature. There are many different types of sensors available for temperature measurement, but obviously, the simplest approach ...

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Digital amplifier power stage
11 February 2004, Altron Arrow
The TAS5121 is a high-performance digital amplifier power stage from Texas Instruments designed to drive a 4 W speaker up to 100 W. The device incorporates PurePath Digital technology and can be used ...

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General-purpose RF transistors
28 January 2004, Electrocomp, Products & Solutions
Infineon says that its RF bipolar transistors (BFPxx/BFRxx/BFSxx/BFTxx) cover practically the complete range of wired and wireless applications up to a working frequency of 20 GHz. The devices are available ...

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