Doorbell Circuits

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Comparator with variable hysteresis
Precision-one-shot
Phase-detector
Analog De-Glitch Circuit Circuit
Buck Boost Voltage Converter
6 graphic equaliser circuit 741 op amp
and filter 1 3 5w power rf amplifier
four channel oscilloscope
diac controlled led flasher 3
SW RF Pre-Amplifier
flashingLEDs
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Available units selected from 10 to 10dB 90dB programmable gain amplifier



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