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DDS device produces sawtooth waveform - 10-Jul-03 Issue of EDN
Ramp or sawtooth waveforms are useful for a broad range of applications,
including automatic-test equipment, benchtest equipment, and actuator
control. Discrete components typically set the waveform frequency.
Unfortunately, drift in these component values over time and temperature
limits the accuracy of the output frequency.... [Design Idea by Niamh
Collins, Analog Devices, Limerick, Ireland]
Precision Waveform Converter uses Sawtooth Wave - 03/01/96 EDN-Design
Ideas....The circuit in Figure 1 can convert almost any waveform into
another by coupling a sawtooth waveform with the reference inputs of a
conventional bank of comparators. This addition allows the circuit to
control the discharge time of CD more precisely. The circuit has numerous
applications,.... EDN is migrating links. This link is not verified.
Google the "title" EDN for new link.
Sawtooth Generator Spans a 70 DB Range - 07/07/94 EDN-Design Ideas....The
circuit in Fig 1 demonstrates a simple method for generating a voltage-programmable
sawtooth waveform having a dynamic range greater than 70 dB. In addition to the
sawtooth waveform, the circuit also produces corresponding triangle- and square-wave
outputs. The three ICs and associated components.... [Design Idea by Paul Hendricks,
Analog Devices, Wilmington, MA]
