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Articles
Content posted in May 2006
Current-source DAC with PIN diode provides RF attenuation and thermal compensation
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5/31/2006   Post a comment
PIN diodes have special characteristics which make it challenging to use them effectively in RF circuits; this article shows you a new approach
DTG5000 Series Data Timing Generator
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5/31/2006   Post a comment
The DTG5000 Series combines the power of a data generator with the capabilities of a pulse generator in a versatile, bench-top form factor, shortening the duration of complex test procedures and simplifying the generation of low-jitter, high-accuracy clock signals, parallel or serial data across multiple channels. Its modular platform allows you to easily configure the performance of the instrument to your existing and emerging needs to minimize equipment costs.
3-part chipset makes a wide-range RFID reader
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5/30/2006   Post a comment
Anadigm's RangeMaster5 chipset for RF identification (RFID) allows system vendors to design and maintain a combination HF and UHF reader.
Have our engineering advances discouraged the kids?
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5/30/2006   Post a comment
We hear and read about the lack of engineering interest among students of all ages, and I think there is a reason for this which we don't want to admit...
Fast triple mux extends video performance
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5/26/2006   Post a comment
Intersil's ISL59448 is a triple- channel, high-bandwidth (500 MHz) 2:1 multiplexer with a slew rate of 1600 V/microsecond to meet the high resolution requirements of monitors, projectors, and KVM (keyboard, video, mouse) peripherals.
Op amps optimize price-performance for industrial, instrumentation apps
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5/25/2006   Post a comment
Analog Devices' expanded portfolio of industrial grade op amps include five new entries that leverage the company's iCMOS manufacturing process and DigiTrim technology to provide performance and cost advantages for a variety of industrial and instrumentation applications.
Losing some weight
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5/24/2006   Post a comment
The kilogram is the only one of the seven key units that is still based on a physical artifact. Other labs must use a tiered set of copies, and copies of copies, of the master kilogram, leading to significant error. Several alternatives are being explored to replace this master artifact…
Bill Schweber, Site Editor, Planet Analog
Video front end touts high bandwidth, low jitter and ideal black levels
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5/23/2006   Post a comment
Product Review - Leveraging the power of its digital phase lock loop for high bandwidth, low jitter performance, Intersil's ISL98001 triple-channel analog front end (AFE) for TVs, monitors, home theater and business projectors incorporates all of the functions required to optimally digitize YPbPr video signals and RGB graphics signals from DVD players and VCRs.
14-bit ADC has full power bandwidth of 1.1 GHz
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5/22/2006   Post a comment
National Semiconductor's 14-bit ADC14155, a 155 megasample/s analog-to-digital converter (ADC), offers a full power bandwidth of 1.1 GHz, the highest in the industry, according to the company.
Freebie PLL design tool debuts with PLL hardware
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5/22/2006   Post a comment
RF chip maker Analog Devices is rolling out a new generation of its existing ADIsimPLL PLL circuit design and evaluation tool, as well as two new PLL synthesizers. One IC is good for use to 350-MHz; the other to 6-GHz.
Epson’s digital video encoding LSI is compatible with NTSC and PAL systems
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5/22/2006   Post a comment
Seiko Epson has announced the S1D13746, a digital video encoding LSI. The product can easily be added on to digital video systems and was created in response to demand for TV output in the embedded market.
RTD signal conditioner simplifies monitoring of auto's exhaust temperature
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5/18/2006   Post a comment
Maxim's MAX6603, a dual-channel analog conditioner with ESD protection for platinum resistive temperature devices (RTD), is suited for next-generation automotive engine-control systems that monitor exhaust temperature for EURO-IV emissions compliance.
CDMA2000 transceiver chip to pack GPS, receive diversity
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5/18/2006   Post a comment
Cellular components supplier Qualcomm is about to roll out a single-chip CDMA2000 RF transceiver that will be distinguished by integrated receive diversity and simultaneous-GPS satellite reception capability.
96-channel controller drives inkjet printers, matrix displays
Articles  
5/17/2006   Post a comment
The HV582 from Supertex is a low-voltage to high-voltage controller with 96 push-pull outputs, each capable of delivering a source and sink current of 75 mA at 90 volts for driving inkjet printer heads and flat panel displays for high definition TVs.
Dual multiplexer-buffers tout lowest jitter
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5/16/2006   Post a comment
National Semiconductor's DS15MB200, SCAN15MB200, and DS08MB200 tout the lowest jitter performance of any multiplexer-buffer in the industry (18 picoseconds) for low-voltage differential signaling (LVDS) interfaces.
Will nanotech be a gold rush, or fool's gold?
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5/16/2006   Post a comment
At the Nanotech 2006 event, I expected to see the latest in developments, but I didn’t expect to see the large number of exhibitors hoping to both make, and ride along with, nanotech as "the next big thing."...
Bill Schweber, Site Editor, Planet Analog
Hot-swap controller with digital monitor cuts power management costs
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5/15/2006   Post a comment
Analog Devices' ADM1175/6/7/8 family of hot-swap controllers with integrated 12-bit ADC-based digital power monitor is designed as a cost-effective solution to protecting multiple line cards from power and thermal transients.
Circuit provides remote alarm for home smoke detector
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5/15/2006   Post a comment
You can add capabilities to low-cost unit with this simple circuit
Digital pot's high-voltage interface optimizes LCD performance
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5/12/2006   Post a comment
Catalyst Semiconductor's CAT1533 touts several advantages over competing linear digital potentiometer controller products, among them a high-voltage output and increment/decrement interface to optimize liquid crystal display (LCD) performance.
Avago Technologies' one-quarter inch, 2-Megapixel image sensor enables thin mobile phone designs
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5/11/2006   Post a comment
Avago Technologies has introduced a one-quarter inch optical format, 2-megapixel CMOS image sensor with autofocus support that enables ultra-thin camera phones to record high-definition videos (800 x 600 pixels) at 30 frames per second and produce digital still-camera-like images.
Dual LDOs tout low-dropout, high-PSRR edge
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5/11/2006   Post a comment
Micrel's MIC5310 is the company's first in a series of dual LDO regulators offering ultra low dropout voltage (35 mV at 150 mA), greater than 70 db power supply ripple rejection (PSRR), and ultra low output noise.
Single-supply quad switch handles negative signals
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5/11/2006   Post a comment
Maxim Integrated Products says its MAX4910 is the industry's first quad SPDT analog switch working from a single positive supply that can handle negative signals, thus reducing external component count while improving audio-signal quality.
Digital power monitors cool blade servers
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5/10/2006   Post a comment
Analog Devices introduces a family of digital power monitors that reduce power requirements, cost and thermal challenges in blade servers, blade PCs and advanced telecom computing architecture (ATCA) cards.
The history of our world continues to emerge
Articles  
5/10/2006   Post a comment
Our fast-moving industry doesn’t have much time to record its accomplishments or how they were achieved. This history vacuum may be changing, albeit slowly. I just received an excellent book…
Bill Schweber, Site Editor, Planet Analog
Wideband op-amps expand video's horizons
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5/9/2006   Post a comment
Product Review - Fairchild Semiconductor's first entries into the high-performance op-amp market include five new devices in the company's 210 MHz FHP3x50 and 50 MHz FHP3x30 families that tout the industry's best power- and-performance features for high definition (HD) and standard definition (SD) video applications.
Audio DACs cut system cost in DVD players, recorders
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5/9/2006   Post a comment
Wolfson Microelectronics says its WM8522 and WM8501 multi-channel DACs, for the cost-competitive DVD player and recorder market, will save $2.80 per system.
Depletion-mode MOSFET emulates mechanical switch
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5/9/2006   Post a comment
Operates as a NC switch with power off
AKM Releases Low Power Stereo Audio CODEC with High Power 1.2 W Speaker Amplifier
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5/8/2006   Post a comment
Asahi Kasei Microsystems introduces the AK4643 a new product in its Audio2go™ family. The single-chip 16-bit stereo A/D and D/A converter features a high-quality microphone equalizer and built-in microphone/headphone/speaker amplifier.
Video amplifiers and filters tutorial
Articles  
5/5/2006   1 comment
Analog video signal requirements and input / output circuit design for S-Video, Component Video, professional G'B'R' video and computer R'G'B' systems, including amplifier and filter design.
VGA multiplexer cuts chip count from three to one
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5/5/2006   Post a comment
Maxim Integrated Products' MAX4885 1:2 or 2:1 VGA multiplexer performs the entire video switching task: RGB, H/V sync, and display data channel (DDC) switching. Discrete solutions previously required three ICs, discrete FETs, and ESD-protection diodes.
High-resolution RGB amp eliminates the negative supply
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5/5/2006   Post a comment
Linear Technology says its LT6557, for UXGA applications, is the fastest single-supply RGB amplifier.
PC motherboard clock supports multiple processors and chipsets
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5/5/2006   Post a comment
The CY28551 PC motherboard clock from Cypress Semiconductor Corp. supplies timing signals for Intel P4, AMD K8 and next-generation processors, as well as chipsets from Intel, VIA, and Silicon Integrated Systems (SiS).
Noise annoys, but do we secretly love it?
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5/5/2006   Post a comment
Noise causes misery for most engineers; noise is the ghost that is always lurking around the systems. The ability to anticipate and deal with noise separates the good engineers from the great ones…
Bill Schweber, Site Editor, Planet Analog
Multi-standard modem includes enhanced DTMF decoder
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5/4/2006   Post a comment
CML Microcircuits' CMX867A, a V.22 multi-standard modem IC for telephone-based information systems, includes an enhanced DTMF decoder, thus affording a more compact design and reducing bill-of-material costs.
Pre-zero crossing detector improves relay performance
Articles  
5/3/2006   Post a comment
Electromechanical relays are still used in many applications due to system requirements and their performance attributes; this circuit and underlying concept let you manage the relay's functioning for better performance and consistency.
Stand-alone audio processor IC boosts boom boxes
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5/2/2006   Post a comment
Maxim says its stand-alone MAX5406, for boom boxes and multimedia wireless products, is the industry's most highly integrated audio processor chip.
Slide rule's demise had unforeseen consequence
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5/2/2006   Post a comment
Calculators and computers are far, far better than the now-obsolete slide rule, but one key skill was lost in the transition, once again proving that progress has unintended consequences.
Sample/hold chip offers designers a stand-alone alternative
Articles  
5/1/2006   Post a comment
Touting next-generation performance, C&D Technologies' SHM-50 offers designers a basic stand-alone sample-and-hold amplifier, as opposed to the sample-and-hold devices with integrated A/D converter that have widely come into use.




latest blogs
There’s a further cool thing you can do with a spreadsheet that most SPICEs can’t. That’s to use the spreadsheet ‘solver’ functionality to adjust component values in the search for a better-fitting circuit – or even to find a set of component values for a circuit you can’t otherwise design.
Infineon MOSFETs have been embedded into PC boards by Schweizer Electronic AG
You now need to adjust component values to achieve some system goal, such as predefined frequency response or time behaviour, and there’s no closed method for working out those values.
As a member of the electronics design community, I am angry and disappointed with the recent deaths of 346 people due to the Boeing MAX 8 design
The theoretical advantages of GaN-based power transistors are now being realized in mainstream system designs. Power supplies for data centers and telecom switching racks are two application areas where GaN transistors show significant improvement in comparison to systems using best-in-class Silicon-based Superjunction devices.
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