View source

[[Image:Logo_Title_Circuits.png|center|Circuits]]

Need help with the circuits? See the [[tutorial]].

== [[Image:Logo_Sub_Filters.png|Filters]] <div class="hiddenStructure">Filters</div> ==

=== Active Filters ===

==== Bessel ====

* Highpass: [[Bessel 12dB Highpass|12dB]], [[Bessel 18dB Highpass|18dB]], [[Bessel 24dB Highpass|24dB]]
* Lowpass: [[Bessel 12dB Lowpass|12dB]], [[Bessel 18dB Lowpass|18dB]], [[Bessel 24dB Lowpass|24dB]]

==== Butterworth ====

* Highpass: [[Butterworth 6dB Highpass|6dB]], [[Butterworth 12dB Highpass|12dB]], [[Butterworth 18dB Highpass|18dB]], [[Butterworth 24dB Highpass|24dB]]
* Lowpass: [[Butterworth 6dB Lowpass|6dB]], [[Butterworth 12dB Lowpass|12dB]], [[Butterworth 18dB Lowpass|18dB]], [[Butterworth 24dB Lowpass|24dB]]

==== Linkwitz ====

* Highpass: [[Linkwitz 24dB Highpass|24dB]]
* Lowpass: [[Linkwitz 24dB Lowpass|24dB]]

== [[Image:Logo_Sub_Misc.png|Audio/Video]] <div class="hiddenStructure">Misc</div> ==

=== Operation Amplifier ===

* [[Operation Amplifier: Addition|Addition]]
* [[Operation Amplifier: Inverting Amplifier|Inverting Amplifier]]
* [[Operation Amplifier: Non-inverting Amplifier|Non-inverting Amplifier]]

== [[Image:Logo_Sub_Serial.png|Serial]] <div class="hiddenStructure">Serial</div> ==

* [[C64 to RS232 Interface]]
* [[CD32 Keyboard to Serial Interface 1]]
* [[CD32 Keyboard to Serial Interface 2]]

== [[Image:Logo_Sub_TV.png|TV]] <div class="hiddenStructure">TV</div> ==

* [[TV Antenna Ground Isolator - Eliminate Ground Loops]]