http://www.qsl.net/vu2msy
řadu dobrých nápadů.
VU2VWN
40m QRP Transmitter (2,438 kb)
(Courtesy: Easy to Build HAM RADIO PROJECTS VOL 1
by K.R. Vasantha Kumar, VU2VWN. Published by Thushar Baby, Crystal
Publications, Cochin 683565) RM-96
Cost effective Transceiver by VU2RM (2,311 kb)
(Courtesy: http://www.qsl.net/vu2upx) ATS-1
Low Cost SSB-CW Transceiver by
Dr. Ashutosh Singh, VU2IF
(3,027
kb)
(Courtesy: SPARK-Journal of the Airwaves Society
of India,
Amateur Radio Association, Volume 13 No. 2
1995) ATS-1
Circuit Diagram ('gif' image): (244 kb)
(Courtesy: SPARK-Journal of the Airwaves
Society of India,
Amateur Radio Association, Volume 13 No.
2 1995) VU2ATN
20m CW QRP Transceiver by Shri Atanu Dasgupta
(1,014
kb)
(Courtesy: Electronics For You, August
1987) 7
MHz SSB Transceiver by Yujin Boby, VU3PRX
(885
kb)
(Courtesy: Ham Radio News-Journal of Amateur Radio
Society of India, Oct/Dec 2000) 80m
QRP Transmitter (167 kb)
(Courtesy: Ham Radio News-Journal of Amateur Radio
Society of India: July/Sept 1999) Ceramic
Resonator VFO by Mani T.K., VU2ITI (131 kb)
(Courtesy: SPARK-Journal of the Airwaves
Society of India,
Amateur Radio Association, Volume 13 No.
1, 1995) Direct
Conversion Technique by VU2ATN (282 kb)
(Courtesy: Ham Radio News-Journal of Amateur
Radio Society of India: Apr/Sept 1995) Gate
Dip Meter by VU2PPP (181 kb)
(Courtesy: Ham Radio News-Journal of Amateur Radio Society
of India: Jan/Mar 1995) More
on Gate Dip Meter by VU2BD (258 kb)
(Courtesy: Ham Radio News-Journal of Amateur
Radio Society of India: Jan/Mar 1996) Morse
Code Practice Oscillator (154 kb)
(Courtesy: SPARK-Journal of the Airwaves
Society of India,
Amateur Radio Association, Volume 12 No.
1, 1994) Polarity
less DC Cable Connection for your Hand Held Transceiver (77
kb)
(Courtesy: Ham
Radio News-Journal of Amateur Radio Society of India: Oct/Dec
1998) High
Current Power Supply by VU3NSH (326 kb)
(Courtesy: Ham Radio News-Journal of Amateur
Radio Society of India: Oct/Dec 1999) Hobby
Electronics by L.V. Sharma, VU2LV (580 kb)-
Basics of DC
& AC Electricity simplified for the beginners by VU2LV
(Courtesy: Zero Beat-Journal of
Society for the Promotion of Amateur India:
Vol II, August 1987
No.9) Beat
Frequency Oscillator (BFO) by VU2ITI (387
kb)
(Courtesy: Easy to
Build HAM RADIO PROJECTS VOL 1 by Mani T.K., VU2ITI, Published by Thushar
Baby, Crystal Publications, Cochin
683565) Frequency
Counter by VU2ITI (799
kb)
(Courtesy: Easy to
Build HAM RADIO PROJECTS VOL 1 by Mani T.K., VU2ITI, Published by Thushar
Baby, Crystal Publications, Cochin
683565) RF
Power Measurement by VU2BD (100
kb)
(Courtesy: Calcutta
VHF Amateur Radio Society
Newsletter) SSB
Exciter by VU2ITI (1,395
kb)
(Courtesy: Easy to
Build HAM RADIO PROJECTS VOL 1 by Mani T.K., VU2ITI, Published by Thushar
Baby, Crystal Publications, Cochin
683565) SWR
Bridge (108 kb)
(Courtesy: Calcutta VHF Amateur Radio Society Newsletter,
Issue # 8, Diwali 1993)) Crystal
Tester by VU2ITI (62
kb)
(Courtesy: Easy to
Build HAM RADIO PROJECTS VOL 1 by Mani T.K., VU2ITI, Published by Thushar
Baby, Crystal Publications, Cochin 683565)
Equivalent
Series Resistance Tester by VU2ITI (70
kb)
(Courtesy: Easy to Build HAM RADIO
PROJECTS VOL 1 by Mani T.K., Published by Thushar Baby, Crystal Publications,
Cochin 683565)
Ceramic
Resonator VFO by VU2ITI-II (499
kb)
(Courtesy: Easy to
Build HAM RADIO PROJECTS VOL 1 by Mani T.K., VU2ITI, Published by Thushar
Baby, Crystal Publications, Cochin 683565)
power
Supply for VFO by VU2ITI (84
kb)
(Courtesy: Easy to
Build HAM RADIO PROJECTS VOL 1 by Mani T.K., VU2ITI, Published by Thushar
Baby, Crystal Publications, Cochin 683565)
A
Gain Compensator Circuit by VU2ITI (97
kb)
(Courtesy: Easy to
Build HAM RADIO PROJECTS VOL 1 by Mani T.K., VU2ITI, Published by Thushar
Baby, Crystal Publications, Cochin 683565)
20
Watts RF linear Amplifier for 2m by VU2RAR
(82 kb)
(Courtesy: Calcutta VHF Amateur Radio Society
Newsletter)
Butterfly
Handi Finder for Fox Hunting by VU2KFR
(142
kb)
(Courtesy: Calcutta VHF Amateur Radio Society
Newsletter) Dip
Meter by VU2MMZ (199
kb)
(Courtesy: Radio-Journal of FARSI, Federation of Amateur
Radio Societies of India)
40m
VFO controlled QRPP TX by VU2SCN (349 kb)
(Courtesy: Radio-Journal of FARSI, Federation of
Amateur Radio Societies of India) Solid
20 Watts Transmitter by VU2SV (564 kb)
(Courtesy: Radio-Journal of FARSI, Federation of
Amateur Radio Societies of India) Tinker
Dip-a Homebrew beginning by Shri Ranjan Chakrabarty
(451
kb)
(Courtesy: Electronics for You, August
1987) VHF
Antennas: Construction and use by George Philips, VU2GT
(320
kb)
(Courtesy: Ham Radio News-Journal of ARSI, Jan/Mar
1995) 2m
Yagi Beam Antenna by N.S.
Harisankar, VU3NSH (206
kb)
(Courtesy: Ham Radio News-Journal of ARSI,
Apr/Sept 1996) The
Ionosphe re (simplified) by WB8IMY:
an
useful article for the HF novice (101 kb)
(Courtesy: Ham Radio News-Journal of ARSI,
Jan/Mar 1995) Rockbound
IF Oscillator by N.S. Harisankar, VU3NSH (46
kb)
(Courtesy: Ham
Radio News-Journal of Amateur Radio Society of India: Apr/Sept
1995) International
Amateur Radio Union (IARU)
on promotion of Amateur Radio (310
kb)
(Courtesy: Ham
Radio News-Journal of Amateur Radio Society of India: Jan/Mar
1996)
VU2VWN
40m AM/CW QRP Transmitter (742
kb)
(A brief write-up
reproduced from "QSP" along with circuit diagrams.
Provided
as a complement to the download provided
above)
2m
FM Transceiver by VU2IF (1,744 kb)
(Courtesy: A write-up by Avinash Missra, VU2EM,
provided along with the 2m VHF kit brought out by Calcutta VHF Amateur Radio
Club in 1992)
2m
Power Amplifier by by VU2EM (246
kb)
(Courtesy: A
write-up by Avinash Missra, VU2EM, published in the
Calcutta VHF Amateur Radio Society Newsletter 'On the
Air')
10.7 MHz Filter for 2m FM Transceiver by VU2EM
(127 kb)
(Courtesy: A write-up by
Avinash Missra, VU2EM, published in the
Calcutta VHF Amateur Radio Society
Newsletter 'On the Air')
Antenna Change-Over for 2m by VU2EM (123
kb)
(Courtesy: A
write-up by Avinash Missra, VU2EM, published in the
Calcutta VHF Amateur Radio Society
Newsletter 'On the Air')
Get rid of that roar by Rama Mohan Rao, VU2RM
(221 kb)
(Courtesy: A write-up by Rama Mohan Rao, VU2RM,
published in the
Calcutta VHF Amateur Radio Society
Newsletter 'On the Air'. The write-up was a follow-up related to a problem
with the 2m FM
Transceiver)