BITX - FILTRU SCARĂ CU BANDĂ DE TRECERE VARIABILĂ

SCHEMA ŞI MONTAJUL DATE DE YO6PIR









- De modificat pentru 8 cristale de cuarţ
- de adăugat eventual încă un semireglabil pentru ajustare lăţime de bandă la emisie (TX)

About Home Made Tranceivers

Usefull links:

http://f6feo.homebuilder.free.fr/transceiver_simple_20m.html

http://www.phonestack.com/farhan/bitx.html

http://lea.hamradio.si/~s57nan/ham_radio/index.html

About QRP

Some usefull links:
http://www.qrpkits.com/swrindicator.html
http://www.qrpkits.com/files/LED%20SWR%20v1.pdf
http://www.qsl.net/wb3gck/tuner.htm
http://www.m0jha.com/about114.html
http://www.io.com/~n5fc/

a QRP shortwire antenna

About W3EDP antenna

Some usefull links about this type of antenna:

http://g0kya.blogspot.com/2009/02/w3edp-85-ft-end-fed.html

http://www.zerobeat.net/g3ycc/w3edp.htm

http://www.ok1rr.com/e107_plugins/content/content.php?content.134