14th January 2009
Another interesting Burkhard Kainka receiver circuit.
7th December 2008
Burkhard Kainka's super-regenerative FM receiver from Elektor September 2007.
25th October 2008
A simple timber jig for winding 100 mm basket weave coils for MF work and investigations into coil Q and the Proximity Effect.
4th February 2008
I add a front-end and a box to the 30 Metre Autodyne Receiver
Parent article: 30 Metre Autodyne Receiver.
27th January 2008
An interesting and quite useful autodyne receiver that phase locks the remote RF signal.
Contains 1 sub-article.
18th December 2007
I put the regen-o-reflexive receiver on 31 metres and put it in a box.
Parent article: Regenenerative-Reflexive Receiver.
16th December 2007
Some experiments with a tuned receiving loop for HF.
4th November 2007
An interesting detector idea from PA2OHH.
Contains 1 sub-article.
8th September 2007
A simple minimum-component super-regenerative receiver for the FM broadcast band.
17th July 2007
A regenerative receiver based on an emitter-coupled oscillator topology of elegant simplicity but fairly average performance.
14th July 2007
Experiments with Charles Wenzel's "Passive Aircraft Receiver" circuit.
19th May 2007
Some experiments with the Foster-Seeley Discriminator and the Ratio Detector.
24th March 2007
A fairly small MK484 based receiver for the AM broadcast band.
17th February 2007
I get the TX talking to the RX and true First-Light for the Receiver.
Parent article: "2007 80m Homebrew Challenge".
18th November 2006
My go at making a JF1OZL-style spectrum analyser for 40 metres.
11th November 2006
A quick folded dipole antenna for 3 metres.
13th August 2006
My implementation of Francis Hall's "Euro Set".
6th August 2006
A simple 3-transistor regenerative receiver from the MW broadcast band.
10th May 2003
A new VHF super-regenerative receiver designed specifically for the FM broadcast band. The design is IC-free, built from bipolar and field effect devices only.
14th April 2003
Parent article: UHF Log-Periodic Array.
7th March 2002
A prototype implementation of the Charles Kitchin N1TEV super-regenerative receiver featured in the ARRL handbook.
25th November 2001
Harking back to my old days as a FM broadcast pirate, I whipped up this very simple 500mW transmitter.
25th November 2001
A simple tuned-loop I threw together for DFing a local noise source that has been effecting my father's nightly listening to 2BL 702 kHz.
Contains 1 sub-article.
27th October 2001
A classic 6dBi LPA design for the Australian UHF TV broadcast bands IV and V. Initial tests indicated excellent pattern performance with ultra deep nulls.
Contains 2 sub-articles.
27th August 2001
A simple tube/solid-state hybrid regenerative receiver for the AM broadcast band.
25th March 2000
2HoT FM, my pirate radio station in high school.