[time-nuts] Build my own dist. amp ??

Richard W. Solomon w1ksz at earthlink.net
Sat Dec 13 13:57:36 EST 2008


It would be nice if the second link had a source for the boards.

73, Dick, W1KSZ

-----Original Message-----
>From: Dave M <masondg44 at comcast.net>
>Sent: Dec 13, 2008 11:43 AM
>To: time-nuts at febo.com
>Subject: Re: [time-nuts] Build my own dist. amp ??
>
>Randy,
>There are a couple distribution amp projects on the RealHamRadio web site (http://www.realhamradio.com).  One has 8 isolated 75-ohm outputs; the other has 3 non-isolated outputs.  Here are the links to each:
>
>http://www.realhamradio.com/10mhz-video-amp.htm
>http://www.realhamradio.com/g8lmx-amplifier.htm
>
>Neither uses any of your parts, but shouldn't be unreasonable in price.
>
>-- 
>Dave M
>MasonDG44 at comcast dot net  (Just substitute the appropriate characters in the address)
>
>Life is like a roll of toilet paper; the closer it gets to the end, the faster it goes. 
>
>  ----- Original Message ----- 
>
>  Date: Sat, 13 Dec 2008 01:21:47 -0800 (PST)
>  From: Randy Leifer <redrabbitlosangeles at yahoo.com>
>  Subject: [time-nuts] Build my own dist. amp ??
>  To: time-nuts at febo.com
>  Message-ID: <667869.67900.qm at web35503.mail.mud.yahoo.com>
>  Content-Type: text/plain; charset=us-ascii
>
>  Can I build my own 10 MHz distribution amp, using fast opamps ?
>  I have searched the archives, but all of the designs are fairly complex for me to build using "point-to-point" on a proto/perf board.
>
>  I want to feed an oven-ized reference 10 MHz sine signal (50 ohm), as a master clock for my:
>  HP 3325A
>  Keithley Counter
>  PTS 160
>  and future gear.
>  (let's say, 1 in / 6 out)
>
>  Parts I have in stock are 
>  AD811
>  EL2030, 2070, 2090
>  CLC430
>  CLC200
>  LM7121
>  LM6165
>  Plus some LH0033 "damn fast" current boosting buffers, and some MH0007 clock drivers.
>  I don't build much high-freq stuff....but a lot of audio freq stuff.
>  My first thought is an input opamp buffer, branched off to separate line drivers.
>  Am I anywhere near to achieving my goal ?
>
>  Thanks.
>  =Randy=
>
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