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[ Filter | Misc | Serial | TV ]

Need help with the circuits? See the tutorial.

Filter

Active Filter: Bessel 12dB Highpass
Active Filter: Bessel 12dB Lowpass
Active Filter: Bessel 18dB Highpass
Active Filter: Bessel 18dB Lowpass
Active Filter: Bessel 24dB Highpass
Active Filter: Bessel 24dB Lowpass
Active Filter: Butterworth 12dB Highpass
Active Filter: Butterworth 12dB Lowpass
Active Filter: Butterworth 18dB Highpass
Active Filter: Butterworth 18dB Lowpass
Active Filter: Butterworth 24dB Highpass
Active Filter: Butterworth 24dB Lowpass
Active Filter: Butterworth 6dB Highpass
Active Filter: Butterworth 6dB Lowpass
Active Filter: Linkwitz 24dB Highpass
Active Filter: Linkwitz 24dB Lowpass

Misc

Operation Amplifier: Addition
Operation Amplifier: Inverting Amplifier
Operation Amplifier: Non-inverting Amplifier

Serial

C64 to RS232 Interface
CD32 Keyboard to Serial Interface 1
CD32 Keyboard to Serial Interface 2

TV

TV Antenna Ground Isolator - Eliminate Ground Loops

Copyright © The Hardware Book Team 1996-2004.
May be copied and redistributed, partially or in whole, as appropriate.
Document last modified: 2002-01-07