Code: ETOPM10108
Amplitude Demodulation Receiver kit.
§ Super heterodyne Receiver:
Frequency Range: 400KHz to 1.5MHz.
Intermediate Frequency: 455KHz.
Inputs: RF signal.
Output IF Frequency: 455KHz adjustable.
§ RF AMPLIFIER:
Range: 600 KHz to 1650 KHz.
Gain : Adjustable
§ Mixer (Frequency Converter):
Dual Gate MOSFET Input: Local Oscillator & RF
Output Frequency : 455KHz adjustable
FI Filter: Dual Tune LC.
§ LOCAL OSCILLATOR:
Output Signal: Sine wave
Frequency: From 900KHz to 2.1MHz. Gang Tunned
Amplitude: Adjustable from 0 to 2Vp-p.
Output Impedance: 50 Ohm.
§ BEAT FREQUENCY OSCILLATOR
Frequency : Adjustable from 400 to 500 KHz with center frequency of 455 KHz
Level: 0 to 2 Vp-p stnd
§ 1 IF and 2 IF AMPLIFIER:
Central Frequency: 455KHz.
Load Impedance: Variable R-L-C.
Gain: Automatic Gain Control. Gain - 43dB
§ DIODE ENVELOPE DETECTOR:
Detection of the positive and negative envelope with variable RC filters DSB.
§ PRODUCT DETECTOR:
Operating Frequency: Adjustable from
400KHz to 500KHz SSB.
Input Amplitude: 1Vp-p.
§ AUDIO OUTPUT:
Amplifier with Headphone.
Audio Amplifier Gain: 20dB.
§ RECEIVING MEDIA:
Telescopic / MW Coil Antenna and via cable.
§ INTERCONNECTION: 2 mm Banana Socket.
§ SWITCH FAULTS: 4 Switch Faults are provided on board to study different effects on circuit.
§ TEST POINTS: 19 Nos. Test points are provided on board to observe intermediate signals.
POWER SUPPLY: GND, +5V, +12V, -12V.