Voltage controlled oscillator AS 3340

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The AS 3340 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.


  • 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
  • CEM 3340 / CEM3345 replacement

The full temperature compensation makes these VCOs extremely stable and eliminates the need for a temperature compensation resistor. The AS3340 is pin to pin compatable with CEM3340, but the chip is fully redesigned in order to improve stability and eliminate some native faults and it also comes in DIP-14, SOIC-14 and QFN-24 cases for very compact designs.

NB! For 100+ pcs and/or in SOIC, QFN cases, please send an inquiry to Alfa RPAR: alfa@alfarzpp.lv

Datasheet is downloadable below.

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