Practical Wireless Extras
Additional information for readers of my articles
published in Practical Wireless
Valve and Vintage Column
- December 2003 A Happy New YARR,
and poor quality valves.
- September 2003 TRF set
receive frequency and using ex-military and ex-television valves.
- June 2003 An EF50 receiver,
NiCds and the KRC-A-2, and why I 'Powered that Valve Portable'.
- March 2003 'New' B126 90V h.t.
batteries and an EF50 receiver.
- December 2002 Backward
volume controls.
- September 2002 Blueprints,
and Happy 70th Birthday PW.
- June 2002
The 40th anniversary of 70.260MHz and do-it-yourself
h.t. and l.t. batteries.
- March 2002
My PM2DX (again) and low-voltage receivers.
- December 2001
Portable recording from disc to disk.
- September 2001
My PM2DX and one-valve regenerative receivers.
- June 2001
Valve codes and a note about my 3W valve amplifier.
- March 2001
My 3W valve audio amplifier.
- December 2000 SM7UCZ's 6L6G
transmitter and how to care for a billiard table.
- September 2000 A 1mW 3.5MHz
transmitter using a DL96 battery valve.
Articles
- Power That Valved Portable
A power supply for battery-valved portable radio sets.
Generates both HT and LT supplies from 12V NiCd,
NiMh or sealed lead-acid batteries.
Published in December 2002.
- IBP Clock
The PW International Beacon Project Electronic Timer,
published in December 2001 and January 2002.
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© Philip Cadman 2004