May 1, 1998 Magazine Archive

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ISSUE DATE: MAY 1, 1998

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Integrated ADCs, CICC, Sensors Expo, DSPs, Motor-control applications, Servo amplifiers

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Browse Archived Articles By: Issue | Author | Department | Topic

May 1, 1998 - In This Issue

[Design Application]
Generate Advanced PWM Signals Using DSP
— Contributing Author

[Design Application]
ADCs Lend Flexibility To Vector Motor-Control Applications
— Contributing Author

[Design Application]
Power-Supply Considerations For Servo Amplifiers
— Contributing Author

[Ideas For Design]
Improvements on the circuit-break locator
Applications such as distortion and communications measurements require distortionless sine waves as input test signals. Distortion in test signals causes two problems. First, the test-signal-distortion content must be calibrated so it can be... — Contributing Author

[Ideas For Design]
Improve group delay response in the anti-aliasing filter
You can dramatically improve the group delay performance of a video digitizer by using the antialiasing filter shown (Fig. 1) instead of a Butterworth anti-aliasing filter. Anti-aliasing filters are necessary... — Contributing Author

[Ideas For Design]
ADC clock gating circuit maximizes data throughput
When reading the data from a serial analog-to-digital converter (ADC), it may be desirable to use a serial port available on a microprocessor or a digital signal processor. If the ADC offers high resolution (i.e., 16 bits or greater), it may actually... — Contributing Author

[Ideas For Design]
Power interruption tester for restart circuit
Compressors are susceptible to brief power interruptions as short as 30 ms or 2 cycles of ac power. Even these short “glitches” may cause a pump to stall when it’s under load. To alleviate this potential hazard, a restart circuit was designed. It... — Contributing Author

[Ideas For Design]
Connect any keyboard with any microcontroller using only one pin
After “Use A Tiny Microcontroller With A Large Keypad” was published (ELECTRONIC DESIGN, Sept. 2, 1997, p. 166), I got a number of responses that prompted me to develop a corollary design. Presented here is a design applicable to microcontrollers not... — Contributing Author

[Pease Porridge]
Bob's Mailbox
Hi Bob: I've been an EE for some 20 years or so, and a keen biker for slightly longer than that, so your column in the Feb. 9 issue was doubly interesting. The one thing... — Bob Pease

[Walt Jung Archive: Walt's Tools And Tips]
Spice Programs: Computerized Circuit Analysis For Analog EEs
This month we follow up on the Feb. 9th column's general topic of Spice. We're also going to look at some of the programs available, and learning aids convenient to the analog-oriented EE. In the earlier column, the main focus was a couple of... — Walt Jung

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