Technology Labs
ACL-FIL: Filters/Noise and Audio Amplifier Kit
About Product
The ACL-FLS Filters, Noise & Audio Amplifier Kit enables students to perform practical experiments on noise generation, S/N ratio measurement, and frequency response analysis. It integrates multiple filters, a noise adder stage, and an audio amplifier with a speaker for hands-on understanding of real-world communication system behavior.
Noise Generator.
Matched T and II, High Pass, Band Pass and Band Reject Filters.
Audio Amplifier.
Output amplitude
White noise source
Output amplitude: Adjustable from 0 ~ 3V p-pSignal Attenuation Network
Adjustablefrom 0 to the maximum of input value
Signal+ Noise Adder stageAudio Amplifier with Loud Speaker
Output power: 0.5 W
Speaker: 8 OHM, 0.3 WFilters
High Pass Filter
3.4KHz cutoff
Band Pass Filter
FrequencyRange 7 ~ 13KHz
Band Reject Filter
Frequency Range 7 ~ 13 KHz
Matched Filter
p section: 20 KHz cutoff
T section: 20 KHz cutoffInput voltage
0~ 2V p-p
Output voltage
0~ 2 Vpp
Switch faults
4switch faults are provided on board to study different effects on circuit
Interconnection
2 mm banana socket
Test points
Test points are provided on board to observe intermediate signals
Power Supply
GND,+5V, +12V, -12V
Examine the operation of a noise generator.
Examine the operation of a signal attenuation network.
Measurementof S/N ratio.
Measurement of noise figure.
Measurement of the frequency response and power output of an audio amplifier.
To calculate the frequency response of high pass, band pass band reject and matched ( T and p section) filters.
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