AUD $36.95

CEM3340 Precision Voltage Controlled Oscillator



The CEM3340 is a completely self-contained, precision voltage controlled oscillator, featuring both exponential and linear control scales and up to four buffered output waveforms: triangle, sawtooth, square, and pulse with voltage controlled pulse width. Full temperature compensation makes these VCOs extremely stable, and eliminates the need for temperature compensation resistor. The highly accurate exponential and linear control inputs are virtual ground summing nodes, allowing multiple control voltages to be mixed within the device itself.

Also included is provision for hard and soft synchronization of the frequency; and an output for easy adjustment of high frequency tracking. Special care in the design ensures oscillation start-up under any power-on sequence and supply conditions. Although a low voltage process has been used to reduce die size, cost, and leakage currents, an on -chip 6.5 volt zener diode allows the device to operate off bipolar 15-volt supplies, as well as +15, -5 volt supplies.


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