[Top][All Lists]
[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
[Discuss-gnuradio] Re: Enclosure -- connection points for fan
From: |
John Ackermann N8UR |
Subject: |
[Discuss-gnuradio] Re: Enclosure -- connection points for fan |
Date: |
Fri, 22 Dec 2006 13:41:33 -0500 |
User-agent: |
Thunderbird 1.5.0.8 (X11/20061115) |
Matt Ettus said the following on 12/22/2006 01:28 PM:
>> I have an earlier USRP board (serial 258 or something like that) that
>> doesn't have a fan connector. Any suggestion for the simplest way to
>> tie the fan to appropriate power? I didn't find anything obvious on the
>> ettus.com site or the wiki about that.
>>
>
> Earlier USRPs don't have a fan connector. Cut the connector off of the
> fan cable. Solder the black wire to J1001, which is ground on the
> board. Solder the red wire to the pin on the end of the power supply
> connector. The fan will be a little loud since this is 6.3V on a fan
> rated for 4-7V. You can put a 10 or 12 ohm resistor in line on the red
> wire if you want it to be quieter.
Thanks!
John