| From:Jerome Halp.... ([email protected]) Subject:Watch your shows on your vintage TVs : A new low power TV Transmitter Newsgroups:rec.antiques.radio+phono |
| date:2002-09-03 11:30:03 |
| Dear NG members,In my never ending quest for good quality low power TV transmitters ihave found the following product of which i have purchased 2 units (one PAL, one NTSC).It is a low power, 25mW TV transmitter which is controlled by a PLL and therefore has frequency synthesis.The US VHF model tunes channels 7 through 13 and cable channels J through W+9, in other words, from 174 MHz to 354 MHz. The channels are displayed on two 7 segment LED displays, then blank out after a few seconds to save power. There is a simple B/W test pattern generator built-in to help you find the channel on your TV without an input video signal. The chosen channel is memorized in a EEPROM so the unit powers upon the channel you memorized even if the power is cut. There is also a US-UHF model.The transmitter comes assembled on a PCB module which makes heavy use of surface mount devices. You can see the transmitter module by clicking on the direct link below. I mounted the module in a metal box for RFshielding purposes and remoted the LED display and channel selection keys to the front panel.The picture and sound quality is excellent and signal strength is verystrong in a medium size house. I tested the unit's range with a pocket LCD-TV. However, the transmitter does not have vestigial sideband filtering, so it is not Broadcast quality.The European VHF model tunes Band III channels (5-12) and cable channels S11-S30. The UHF model covers the entire UHF band, channels 21-69.The price is 145 Euros per unit, roughly the same price in Dollars. Manufacturer :Aspisys Ltd P.O. Box 14386Athens 11510Greece Tel : + 30.210.771.95.44Fax : + 30.210.7714.983 Email : info@aspisys.com Web site : http://www.aspisys.com Direct link to the PLL TV Sender :http://web.otenet.gr/aspisys/tvpll.htm Disclaimer : i have no ties whatsoever with this company, i am just happy with the product. Best Regards [email protected] |
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