ACL-FM: Frequency Modulation Transmitter Kit

1) Dedicated Frequency Modulation Transmitter Trainer for practical study of FM techniques.

2) Includes FM modulator and phase modulator sections on a single trainer board.

3) Built-in function generator and local oscillator sections for experiment setup.

4) Includes mixer and signal-processing blocks for building complete FM signal paths.

5) Individual functional blocks can be interconnected using patch cords.

6) Includes a fault-switch section for troubleshooting and fault-analysis exercises.

7) Suitable for observing FM waveforms and intermediate signals using a CRO/DSO.

8) Mobile based interactive e-manual.

1) Synchronous function generator
i) Waveforms : Sine, Triangular, Square
ii) Amplitude : 0 ~ 2Vpp variable
iii) Frequency range : 1 Hz ~ 10 Hz, 10 Hz ~ 100 Hz, 100 Hz ~ 1 KHz, 1 KHz ~ 10 KHz, 10 KHz ~ 100 KHz

2) Audio input
i) Audio preamplifier with microphone

3) FM modulators
i) ‍Varactor modulator with carrier frequency adjustment FM via PM
ii) Operating frequency : Adjustable from 400KHz ~ 500 KHz
iii) Input amplitude : 0.1Vpp with integration circuit for indirect frequency modulation

4) PM modulator
i) Operating frequency : Adjustable from 400 KHz ~ 500 KHz
ii) Input amplitude : 0.5 Vpp with integration circuit for indirect frequency modulation  

5) Mixer (frequency converter)
i) Dual gate MOSFET inputs : Local oscillator and RF signal
ii) Output IF frequency : 455 KHz adjustable
iii) IF filter : Dual tune LC
iv)Transmitter output : 455 KHz frequency

1) Switch faults
i) 4 switch faults are provided on board to study different effects on circuit

1) Interconnection
ii) 2mm banana socket

1) Test points
i) 29 test points are provided on board to observe intermediate signals

1) Power supply
i) GND, +5V, +12V, -12V
ii) (Dual output terminals)
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