The composition of the set:
Power Source
– Input voltage: 220 V, 50 Hz
– Output voltage:+ 15 V 1 A DC; – 15 V 1 A DC
– AC 1.5 – 20 VDC, 1A
Signal source
– Input voltage : +15 V, -15 V, AC 2.2 to 20 VDC
– Output frequency : Lower frequency threshold = 100 Hz – 3 kHz, Upper frequency threshold = 1 kHz – 1 MHz.
– Output peak voltage at 0 dB: 1.8 V (approximately).
Detector
– Input voltage : +15 V, -15 VDC. current
– Configurable circuit: AM detection, FM detection, includes AGC, AFC.
Filter
– Circuit Configuration : X-tal and C phasing
Tuned circuit
– Range: 400 – 550 kHz
Passive filter
– Cut-off frequency: 3 kHz (approx.)
– Circuit configuration: with low-pass filter
Superheterodyne
– Input voltage: 15 VDC
– Frequency coverage: 600kHz – 1.6MHz
– IF frequency: 460kHz (±15% via variable capacitor).
Amplifier
– Input voltage : -15VDC
Waveform Synthesizer
– Input voltage: +15V, -15V
– Clock frequency range: 800 – 4000 Hz
– Output frequency range: 50 – 250 Hz
Phase auto-tuning loop
– Input voltage : +15 V
– Voltage controlled oscillator : 100 – 200 kHz (approx.)
– Reference frequency: 1 kHz
Sigma Delta modulator
– Input voltage: +15V, -15V
– Internal Clock Frequency : Variable 30 – 250 kHz
– Output pulse sequence: bidirectional
Integrator
– Input voltage : +15V, -15V
Diode ring bridge
– Configuration: Passive circuit with ferrite transformer and diode bridge
Sample Hold and Multiplexer
– Input voltage: +15 V, -15 V.
Dual Balance Modulator
– Input voltage: +15V, -15V
– Balance input: manually controlled
Low Pass Filter
– Input voltage : +15V, -15V
– Cut-off frequency: 90 – 4200 Hz, adjustable in 11 steps.
Audio module
– Input voltage: +15V, -15V
– Dual function: speaker or microphone
– Output power (as speaker): 2 W
Cross connector 40 pieces
Connecting wire 30 cm, yellow 20 pcs
Connecting wire 50 cm, black 2 pcs
Connecting wire 50 cm, red 2 pcs
Connecting wire 50 cm, blue 6 pcs
Manual of experiments 1 pc