Page 3 of 2006 ATV Catalogue by P. C. Electronics

420-450 MHz ATV DOWNCONVERTERS GET STARTED WITH ONE OF THESE TO SEE THE ACTION! P. C. Electronics 2522 Paxson Lane Arcadia CA 91007-8537 USA 2006 Tel: (626) 447-4565 m-th 8am-5:30pm pst (UTC 8) Tom (W6ORG) Mary Ann (WB6YSS) 24 hr FAX order line (626) 447-0489 Email: Tom6org@hamtv.com Web site: www.hamtv.com VRC45 45 MHz IF AM ATV Receiver A/V outputs. 4 x 3.75 Used in our ATVR series receivers see pg 6 Prices include UPS surface shipping in cont. USA TVC-4G ATV Downconverter Plug-in and Play 4.7 x 3.7 x 2.1 Great for repeaters, EOC or home no beam to rotate. Page 3 7/2006 OAL 2x70cm 50 Ohm Splitter for stacking 2 beams....$60 4X70cm Splitter for stacking 4 beams...$75 DIAMOND U200a dual band vertical omni, 438-450/1240-1300 MHz, 11.7/8.3 dBd, 6 ft long, N jack.......$149 X510NJ dual band vertical omni, 428-442 MHz/143.5-146.5 MHz, 9.5/6.1 dBd, 17.2.............$219 X510NA dual band vertical omni, 438-450 MHz/144-148 MHz, 9.5/6.1 dBd, 17.2..................$209 TUNEABLE DOWNCONVERTER, TVC-4G with AC supply................$99 This ready to go box downconverts the whole 420-450 MHz ham band down to TV channel 3 or 4 so your TV receiver can see and hear AM ATV just like broadcast TV. Contains the sensitive GaAsfet TVC-2G board (see pg 2) in a rugged black die cast 4.7x3.7x2.1 inch aluminum box ready to go with 120 Vdc 60 Hz to 12Vdc 300 ma. wall plug power supply. 50 Ohm N connector antenna input and 75 Ohm F output to TV. If you want composit video to directly drive a monitor, add the VRC-45 module below as we have in our model ATVR-4 receiver on page 6. VRC-45b 45.75 MHz IF/RECEIVER module....................................... $79 AM ATV 45.75 MHz IF, detector, AGC receiver system has two 75 Ohm 1 Vp-p composite video outputs, squelched line level audio 8 Ohm speaker audio output. Can be used with TVC2G or TVC-4G downconverters with the local oscillator reset for high side injection and 45.75 MHz output. You can package in a Hammond 1590D box with a TVC-2G downconverter board and optionally a TVCS-2 synthesizer board for complete receiver like we do in the ATVR-4. 13.8V .25A. TVCS board shown mounted in TVC-12G with supplied rotary switch ANTENNAS FOR 420-450 MHZ ATV OAL 5L-70cm 8 dBd gain beam, 31" boom, vertical or horizontal polarization rear mount. This antenna was specifically designed by the Olde Antenna Lab for ATV point to point, fixed at a repeater or is small enough to be portable for R/C or at public service events to minimize multipath ghosts and get some gain at the same time. Wide 60 degree beam width. Type N female connector. 5L-70cm prices include priority mail shipping in the contiguous USA............$75 5LX 5 element extemsion for the 5L, adds 3 dB gain....................................$60 10L-70cm 10 element 11 dBd gain beam, 61.5 boom, 48 deg. beamwidth..$125 7CP-70cm 7 element 10 dBdc circular polarized beam, 36 boom................$145 LITTLE WHEEL horizontal omnidirectional antenna, 14 dia.......................$55 DIRECTIVE SYSTEMS DSFO ATV- 25 16 dBd gain, 17 ft boom, center mounted....................$179 Highest gain ATV by K1FO. The antenna, coax and tower height are the most important part of your ATV system and deserves your most care and attention. ATV antennas must have broad bandwidth in addition to high gain and low VSWR. Few other antennas work well at both 439 and 421 MHz. The gain has been proven out at VHF/UHF conference antenna measuring contests, and is not marketing hype. The DSFO ATV-25 can take up to the maximum legal power limit. Balun or matching network with female type N connector is included. We suggest using Belden 9913 (2.6 dB/100') or better 50 Ohm low loss coax or hard line. Belden 8214 (4.2 dB/100') is more flexible and is fine for runs less than 50 feet. Antenna height to get above trees is more important than coax length. Check with local ATVers to find out polarity up to -20 dB if wrong. Always verify any new antenna system with a RF power meter for less than 10% reflected power before normal transmitting over 20 seconds. Weather-proof all outside connectors. SYNTHESIZER Board for Downconveters: TVCS-2, 9 or 12...........$79 Channelize crystal lock your TC70 or TVC-2G, 4G, 9G or 12G tuneable downconverter with this piggyback add on board. Switch select the 5 most used frequencies in the band no more being off frequency from someone nudging the dial or temperature drift. Uses the same numbered tuning knob for channel select. Replace the tuning pot with our supplied rotary switch, or use our on board digiswitch if you dont want the frequency switch to be easily accessable by others. TVCS-2 freq: 421.25, 426.25, 427.25, 434.0, 439.25 to ch3, 4 or 45MHz IF TVCS-9 freq: 910.25, 911.25, 913.25, 919.25, 923.25 to ch3, 4 or 45 MHz IF TVCS-12 freq: 1241.25, 1253.25, 1265.25, 1277.25, 1289.25 to ch7,8, 45 IF Other frequencies on special order. Easy installation instructions and hardware supplied, less wires. 5L-70cm Wheel Connects between your TV set and 70cm antenna.

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