P. C. Electronics 2522 Paxson Lane Arcadia CA 91007-8537 USA
©2009
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
TX70-5 70 CM ATV TRANSMITTER
USERS MANUAL
The TX70-5 transmitter is designed to provide over 0-5 Watt continuous duty peak envelope
power (sync tip) of video modulated RF in the 70 CM (420-450 MHz) amateur band. 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 TX70-5 accepts U.S.A. standard composite video (1 volt pk-
pk) from any source such as color or black and white TV cameras or camcorders, VCRs, or computers
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 the compan-
ion TVC-4S downconverter.
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 70 CM band are described.
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W6ORG ©2009