Legacy OpAmps

jackinnj · 11th August 2005, 12:22 AM

I purchased a beautiful Digital Equipment "Power Supply Noise Amplifier" -- talk about legacy devices -- there is a Burr-Brown OPA600CM and a National LH4004CD -- I know that the latter will drive a 50 ohm load for a spec analyzer and I believe that the BB unit is an early dif or instrumentation amp. Anyone have a clue about these devices?

mzzj · 11th August 2005, 04:16 AM

Maybe this helps:
http://www.ortodoxism.ro/datasheets/...wn/mXsrrrt.pdf

found from here:
http://www.datasheetcatalog.com/data...0.shtml:smash:

jackinnj · 11th August 2005, 10:28 AM

Thanks, I had googled the part and came up with nothing.

Here's the amplifier:

11th August 2005, 12:22 AM	#1
jackinnj diyAudio Member Join Date: Apr 2002 Location: Llanddewi Brefi, NJ	Legacy OpAmps I purchased a beautiful Digital Equipment "Power Supply Noise Amplifier" -- talk about legacy devices -- there is a Burr-Brown OPA600CM and a National LH4004CD -- I know that the latter will drive a 50 ohm load for a spec analyzer and I believe that the BB unit is an early dif or instrumentation amp. Anyone have a clue about these devices?

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11th August 2005, 04:16 AM	#2
mzzj diyAudio Member Join Date: Jul 2005 Location: 65N 25E	Maybe this helps: http://www.ortodoxism.ro/datasheets/...wn/mXsrrrt.pdf found from here: http://www.datasheetcatalog.com/data...0.shtml:smash:

11th August 2005, 10:28 AM	#3
jackinnj diyAudio Member Join Date: Apr 2002 Location: Llanddewi Brefi, NJ	Thanks, I had googled the part and came up with nothing. Here's the amplifier: