Description and Specification for Lab Tenders
Analog Signal Transmission.
AM modulation and demodulation: Multiplying circuit: Carrier input 0 †15 V peakâ€toâ€peak, 70 †700 kHz Modulator input 0 †15 V peakâ€toâ€peak, 3.5 †50 kHz: DSB modulation and demodulation: Multiplying circuit: Carrier input 0 †15 V peakâ€topeak, 70 †700 kHz Modulator input 0 †15 V peakâ€toâ€peak, 3.5 †50 kHz; SSB modulation and demodulation: Selective filter: Carrier input 0 †15 V peakâ€toâ€peak, 300 †350 kHz Modulator input 0 †2 V peakâ€toâ€peak, 30 †50 kHz; SSB demodulator with ACG: FM modulation and demodulation Input 1 †10 V peakâ€toâ€peak, 2â€5 kHz Carrier 6â€9 MHz; Quadrature FM modulation and demodulation: Input 1 †10 V peakâ€toâ€peak, 3â€5 kHz; PM modulation and demodulation: Input 1 †5 V peakâ€toâ€peak, 0 †300 Hz; VCO and PLL circuits: Input 0 †4 V peakâ€toâ€peak, 0 †6 kHz; Carrier generator: 0 †15 V peakâ€toâ€peak, 70 †700 kHz; Low frequency generator: 0 †15 V peakâ€toâ€peak, 3.5 †50 kHz; Noise generator; Transmission with class C amplifier; Gain of the receiver 15 dB; Power supply: +15 Vdc, â€15 Vdc, +5 Vdc, â€5 Vdc. It must be possible to perform the following experieces: Carrier generator, Tone generator, Noise generator, 10th order low
pass filter, 10kHz 4th order low pass filter, AM modulation with analogue multiplier DSB –full carrier, General purpose amplifier, A class amplifier, transmitter, AM demodulation with analogue multiplier DSB – full carrier, SSB – detector, SSB receiver with AGC, FM modulator with varicap; O †C class amplifier / FM demodulator, FM modulator with PLL; L †FM demodulator with PLL, FM modulator †quadrature demodulator; phase modulator †phase demodulator. The faults must be inserted by software and by microswitches. The module must be provided with a EISA BUS 31+18 interface for connection to power supply and with a software able to allow the study of theoretical topics through PC with hyper textual navigation according to the HTML standard. Connections and test points by 2mm terminals. Dimensions of the module: 297x260mm. The module must be supplied with a theoretical and practical manual.