Frequency Modulator, Ring Modulator and Chopper.


Technical Data:

FUNCTIONS: ring modulator, frequency modulator, chopper

CONNECTIONS: audio input, audio output

SWITCHES: modulation on/off, fm source in/out, frequency (vco) low/high, wave sinus/triangle, chopper(square) on/off.

POTENTIOMETERS:  frequency (vco), modulation depth

VCO RANGE:  Low range: 1Hz...300Hz, High Range: 100Hz...20kHz

IMPEDANCE: Input 30k, Output 2k

SUPPLY 12V stabilised, 30mA max.


CALIBRATIONS:

Frequency control range: is set by P4. Turn P5 at lowest frequency and set P4 to maximum resistance. Switch frequency to high and turn P2 so that the oscillator signal appears at the output.

Turn now P3 slowly down until the oscillator stops, then turn it up until it starts reliably. Done.


Important! This depends on supply voltage, it must be stabilised, otherwise the DC setting drift and

you'll need a re-adjustment of P2!


Carrier level: is set by P3 and P4(fine), turn P3 until the oscillator signal is no more present at the output, use P4 for fine adjustment.

 

You will recevie: PCB - IC Sockets - IC's - Resistors - Capacitors - Potentiometers - Jack Plugs - Led - Build Manual (no enclosure!)



Video soon...

DISCLAIMER: We are not responsible for anything wrong (including electric shocks, malfunctions, fires, accidents involving a soldering iron) that might happen during the assembly of the kit. Everything you do while assembling the kit is at your own risks.

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SCRAMBLER build kit

  • Product Code: SCRAMBLER
  • Availability: In Stock
  • €40.00

  • Ex Tax: €33.61

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