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High-fidelity triangle wave generator consumes only 6 µA -
16-Oct-03 Issue of EDN Ideal triangle waves involve infinite d2V/dt2,
so high-fidelity triangle waves entail very high bandwidths. Micropower
circuits have fairly low bandwidth, so generating good triangle waves with
such circuitry becomes problematic. The circuits of Figure 1 show two
methods of generating triangle waves.... [Design Idea by Glen Brisebois,
Linear Technology Corp, Milpitas, CA]
Sawtooth to Triangle converter - This wave shaper needs an input
saw that goes from Vss to (ideally) Vdd. It works well with the 4069 VCO
designed by René Schmitz. Any saw will work as long as the wave is centered
halfway between the rails. It works as follows: The upper set of 2 linear
mode gates....(added 05/08)
Transconductance amp gives oscillator reciprocal response - 17-Apr-03 Issue
of EDN The circuit in Figure 1 is a variation on the familiar
integrator/comparator triangle-wave oscillator, which you typically implement with two
op amps. An integrator and a comparator connect in a positive-feedback loop; the
comparator drives the integrator and vice versa. A fixed amount of hysteresis exists
in the comparator, producing a triangle wave at the integrator's output.... [Design
Idea by Mike Irwin, Shawville, PQ, Canada]
Triangle Wave Generator - This signal generator gives you two waveforms for
the price of one: a triangle-wave and a square-wave. What is the central component of
this circuit? The integrator capacitor CI. Basically we are interested in performing
two functions on CI: charge it, discharge it, repeat indefinitely. During the design
process, we ask these....(spice design added 02/09)
Triangle waves drive simple frequency doubler - 23-Nov-06 Issue of EDN
Extend a function generator's range, and get a sine wave signal in the bargain....
[Design Idea by Jim McLucas, Longmont, CO; Edited by Brad Thompson and Fran Granville]
Triangle-Waveform Generator (Randy LinscottO - The Tri-Waveform Generator
can be used for a number of different uses. The one that I use it for is a signal
generator to test circuits. The frequency range is 20 to 20khz. and can be adjusted by
R1. The duty cycle or the time that the waveform is high ….(electronic circuit added
4/05)
