[INRAD] Pin Diodes

[William E. Sabin]

Hello Giancarlo,

Thanks for the additional information. I was not aware of the diodes that 
you describe.

Bill W0IYH

----- Original Message ----- 
From: "Giancarlo Moda" <i7swx at yahoo.com>
To: <List at inrad.net>
Sent: Saturday, November 26, 2005 12:33 PM
Subject: Re: [INRAD] Pin Diodes


> Hi Bill and Charlie,
>
> interesting discussion.
>
> Philips has or had a nice AM PIN diode used for RF
> attenuators with low distortion for frequencies above
> 100kHz.
> It is the BAQ800. Probably OK up to around 1MHz as the
> Rs is dropping as the ferquency is increasing
> For If = 10mA charge carrier time = 10 to 20 uS and R
> = 5 to 10 ohm.
>
> Infineon (ex Siemens) has PIN diodes BAR14-16 with a
> carrier time not too high: 700 to 1000 nS.
>
> Some people have used BA244 Si Planar Switching diodes
> R= 0.4 - 0.5 ohm found in FM and TV tuners to replace
> switching diodes in Jap Black Boxes but these seem not
> so good versus PIN diodes (??). Maybe the If current
> was too low.
>
> 73
>
> Gian
> I7SWX
>