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Old 27th January 2006, 12:34 PM   #1
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Default Remote Controlled Stepped Attenuator

What are your opinions on this thing:

http://www.welbornelabs.com/remote.htm

It seems very tempting to me, but I'll better ask the experts here first

Thanks!
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Old 27th January 2006, 12:47 PM   #2
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note one thing -- it isn't surface mount -- so one wonders how close to "state of the art" it really is -- if you look at the schematic most of the functions could be done with one PIC RF microcontroller and 8 relays with "through hole" resistors for 8 bits of attenuation. the device pictured only uses 6 bits (2^6=64).

The LED's really provide little information for the user, but have the advantage that they are cheap.

but if you aren't into programming MCU's it is a nice drop in replacement.
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Old 27th January 2006, 12:54 PM   #3
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Quote:
note one thing -- it isn't surface mount -- so one wonders how close to "state of the art" it really is
I'm sorry, I don't understand that. What difference would surface mount make -what is surface mount here, the resistors?

Quote:
but if you aren't into programming MCU's it is a nice drop in replacement.
Ancient tube technology is what I'm trying to master so far, anything beyond that

Anyone out there who has actually used this piece?
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Old 27th January 2006, 04:49 PM   #4
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And then I stumbled across this one: http://www.diycable.com/main/product...roducts_id=532

A bit more expensive though....
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Old 27th January 2006, 05:22 PM   #5
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Buy a used Placette on Audiogon, it's better than any of the ones you listed here.
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