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ALFA RPAR AS3340-DIL Voltage Controlled Oscillator (VCO) (DIL-16)
The ALFA RPAR AS3340 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 controllable pulse width. It is pin-for-pin compatible with the CEM3340.
Full temperature compensation makes these VCOs extremely stable, and eliminates the need for a 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. An on-chip 7.4 volt Zener diode allows the device to operate off ±15 volt supplies, as well as +15,-5 volt supplies. To minimize self-heating and improve thermo-stability it is recommended to keep VEE = -5V (external power supply).
Features
CEM3340 replacement
Large Sweep Range: 50,000:1 min
Fully Temperature Compensated
Four Output Waveforms Available; No waveform trimming required
Summing Node Inputs for Frequency Control
High Exponential Scale Accuracy
Low Temperature Drift
Voltage Controlled Pulse Width
Hard and Soft Sync Inputs
Linear FM
Buffered, Short Circuit Protected Outputs
±15 Volt Supplies
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