Hambrew Links

Close 136 kHz Projects

Close 500 kHz Projects

Close Multiband HF Projects

Close 160m Projects

Close 80m Projects

Close 60m Projects

Close 40m Projects

Close 30m Projects

Close 20m Projects

Close 17m Projects

Close 15m Projects

Close 12m Projects

Close 10m Projects

Close 6m Projects

Close 4m Projects

Close VHF Airband

Close 2m Projects

Close 70cm Projects

Close 23cm Projects

Close 13cm Projects

Close SHF Projects

Close Antenna Matches

Close Shack Accessories

Close Power Supplies

Close Test Equipment

Close µController Arduino

Junk Box Circuits

Close Tubes

Close Transistors BC-Serie

Close Transistors BD-Serie

Close Transistors BF-Serie

Close IC 74XX-Serie

Close IC 74LSXX-Serie

Close IC 74SXX-Serie

Close IC LM-Serie

Close IC TDA-Serie

HF Propagation


   visitors online

Rate this Site

The DXZone.com

(with 10 = top)


70cm Projects - Transceivers

Click to enlargePacket trx Nokia MD59LS by PA3GCO
This is a description of the conversion of a second hand carphone into a packet transceiver in the 70 cm band. Needed are a controller and an rf switch circuit with pindiodes

Click to enlargeUpgrade Nokia wideband FM by PA3GCO
In part 1 the Nokia MD59LS has been converted to a 9K6 packet transceiver. Now it's possible to increase both rx and tx bandwidth, for wideband use. A bandwidth of 300 kHz is easy to achieve.

Click to enlargeSimple 430 SSB transceiver by JF1OZL
This is my first 430-SSB-transceiver. This is very simple. This transceiver uses bilateral theory in many parts of whole configuration.

Creation date : 16/08/2007 @ 18:52
Last update : 27/09/2014 @ 00:38
Category : 70cm Projects
Page read 18436 times

Print the article Print the article

Google Ads

^ Top ^