[Laser] 850 nm APD, free

[Art]

Hi Kerry,

The APD based receiver went out today, it's not available anymore. Sorry.

Art

At 12:28 PM 7/19/04, you wrote:
>Art - I'm in the midst of wideband optical link experiments and would like 
>to obtain the repeater if still available.
>Thanks -Kerry Banke N6IZW -
>
>At 10:59 PM 7/16/2004 -0400, you wrote:
>>Hi Everyone,
>>
>>Some number of years ago, someone on this list gave me an 850 nm laser 
>>repeater consisting of a fiber optic input receiver (APD) and an LED 
>>transmitter (also fiber optic).
>>
>>My interest has grown away from wideband and high speed communication via 
>>laser, so I don't need this anymore. If anyone wants it, it's theirs for 
>>the price of shipping.
>>
>>The APD needs a 300 volt bias supply, it's not included. It's fully 
>>documented with large schematics. On the front panel, there are 2 fiber 
>>optic ports labelled receiver and transmitter. On the back panel, there 
>>is a db 25 pin connector. It is called a 'repeater', which I think takes 
>>the signal, cleans it up and re-transmits it making longer distance fiber 
>>optic links possible. It is made by Artel Communications, circa 1988 
>>(according to the documentation).
>>
>>The transmitter board has a 20.832 Mhz crystal on it, which appears to be 
>>the frequency the data is modulated on.
>>
>>Anyway, the tx/rx assy and the docs are available to anyone who wants to 
>>pay postage. Please reply off-list.
>>
>>Art
>>
>>
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