[INRAD] PIN Diodes: BA595 - 885 - 895

[William E. Sabin]

My homebrew rcvr uses relays to switch the 9 hamband RF filters. They work 
extremely well with no perceptible IMD. It takes 18 SPDT relays

Bill W0IYH

----- Original Message ----- 
From: "Tommy" <aldermant at alltel.net>
To: <list at inrad.net>
Sent: Wednesday, November 30, 2005 2:48 PM
Subject: Re: [INRAD] PIN Diodes: BA595 - 885 - 895


> I'm sure everyone talking about PIN diodes is certainly aware of the
> different current requirements for different PIN diodes. Just
> changing to different diodes may not do you any good unless you bias
> the diodes for their optimum operation current. You must have a spec
> sheet for the diodes you choose.
>
> I might also suggest that before you go with PIN diodes, you read the
> PIN diode information available on both the Sherwood and the W8JI web
> site. Their testing shows no improvement in receiver performance with
> PIN diode switches over a simple reed relay.
>
> Just FYI....!
>
> Tom - W4BQF
>
>
> At Wednesday 03:15 PM 11/30/2005, you wrote:
>>Hi Bill et all,
>>
>>there is another interesting PIN Diodes from Infineon:
>>BA595
>>
>>The BA595 (BA885 and BA895) is given OK from 1MHz to
>>2GHz for switching and attenuation applications. It
>>has low capacitance and a high reverse parallel
>>resistance.
>>Carrier charge is 1.6mS.
>>
>>I attached the datasheet but the message was blocked.
>>Sorry
>>
>>73
>>
>>Gian
>>I7SWX
>>
>>
>>
>>
>>
>>
>>__________________________________
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>>
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