Active & Passive Filter Circuits Trainers Model ETR 025
Active & Passive Filter Circuits Trainers Model ETR 025
Trainer for
PASSIVE FILTER-II (RC 1st Order High/ Low Pass, RC 2nd Order High/ Low Pass, Notch)
PASSIVE FILTER-III (LC M derived/ Constant K type filters) (RC High Pass, RC Low Pass, LC High Pass, LC Low Pass)
Item Description
* Output Waveform: Sine & Square
* Frequency & Amplitude adjustment provided using Potentiometer
* LED indicator to indicate Power input
* On-board circuits:
– Inductor bank
– Resistor/Capacitor bank
– Capacitor bank
– Noise Filter
* Fixed DC power supply +12V
* All inter-connections made using 2mm patch cords
Technical Specifications
Model ETR 025A
Trainer for
ACTIVE FILTERS-I (Low Pass, High Pass,
Unity Gain Phase Shifting)
* Output Waveform: Sine
* Frequency & Amplitude adjustment provided using Potentiometer
* LED indicator to indicate Power input
* On-board circuits:
– Inverting Low Pass Filter
– High Pass Filter
– Non-inverting Low Pass Filter
– Unity Gain Phase Shift
* Supply connections to Op-amp (+/-12V) internally provided to the circuit
* Bare board Tested Glass Epoxy PCB is used.
Model ETR 025B
Trainer for
Butterworth, Bessels, Chebshew Filters
* Output Waveform: Sine
* Frequency & Amplitude adjustment provided using Potentiometer
* One reset switch
* LED indicator to indicate Power input
* On-board circuits:
– Filter Type A
– Filter Type B
* Supply connections to Op-amp (+/-12V) internally provided to the circuit
* All ICs mounted in IC sockets
* Bare board Tested Glass Epoxy PCB is used.
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