Drake 2880 Downconverter Schematic
I've always wanted to know how things work; and the best way is to find out
for yourself. And so I've reverse-engineered the schematic for the popular
Drake downconverter. Click on the link above for details.
A new K-band (24GHz) Downconverter
for AO-40
Powerpoint presentation that I gave at the Amsat-UK
Colloquium in July 2002. 1.3MB.
The complete paper can be
found in the Proceedings of the 17th Amsat-UK Colloquium, available on CDROM or
bound paper book from Amsat-UK.
A state of the art 2.3GHz Low Noise
Preamplifier
An article that I wrote that was first published in the June 2002 Microwave
Newsletter (UK).
Click here for the
article in Word 97 Format. The Circuit Diagram can be viewed here .
Useful links :-
Microwave Software Defined
Radio Project
Simplified block diagram of uW SDR Rx. in PDF
form
De Montfort University ARS home
page - the club which I have been a member of since my student days,
many years ago
British Amateur Television Club home page
email - g8ubn@amsat.org
73 de Grant Hodgson G8UBN
GH Engineering home page - this is what I do for a living