P. C. Electronics 2522 Paxson Lane Arcadia CA 91007-8537 USA
©2011
Tel:
1-626-447-4565
m-th 8am-5:30pm pst
(UTC - 8)
Tom
(W6ORG)
& Mary Ann
(WB6YSS)
Web site: http://www.hamtv.com Email: ATVinfo @ hamtv.com
TX33-.1s 70 CM ATV TRANSMITTER
USERS MANUAL
The TX33-.1s transmitter is designed to provide 50-100 milliwatts peak envelope power (sync tip)
of video modulated RF in the 33 CM (902-928 MHz) amateur band on any of 5 switch selected frequencies
- 910.25, 911.25, 913.25, 919.25 and 923.25 MHz. For higher power, a Downeast Miicrowave 3340PA
linear amplifier can be added.
Any licensed Technician class or higher Radio Amateur may operate this transmitter in accordance
with 47 CFR part 97 of the FCC Rules and Regulations.
The TX33-.1s accepts U.S.A. standard composite video (1 volt pk-pk) from any source such as
color or black and white cameras with video output or camcorders, VCR’s, or DVR’s for transmission.
Audio from these sources or a low impedance dynamic mic is also transmitted on the 4.5 MHz sound
subcarrier. Transmit / receive power and antenna switching is provided for a companion high sensitivitty
TVC-9s downconverter connected to a TV on channel 3 may be used to receive:
PLEASE read through this manual before plugging in an cables and attempting operation. Each
connector and control is described here to enable your proper hookup and operation. Also the unique
video practices associated with ATV and the 33 CM band are described. More information on ATV can
be found on our Application Notes web page at www.hamtv.com.
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Summary of Contents for TX33-.1s
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