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| Electronic Schematics (alt.binaries.schematics.electronic) A place to show and share your electronics schematic drawings. |
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#1
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tiny filter board
This is a 6-pole 50 Hz Sallen-Key lowpass filter, designed to plug onto an ADC board as an option. It uses chopper opamps for DC accuracy. Size is 1.3 x 0.4 inches. John |
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#2
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tiny filter board
On Thu, 11 Dec 2008 12:54:58 -0800, John Larkin
wrote: This is a 6-pole 50 Hz Sallen-Key lowpass filter, designed to plug onto an ADC board as an option. It uses chopper opamps for DC accuracy. Size is 1.3 x 0.4 inches. John Brat's first? |
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#3
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tiny filter board
On Tue, 27 Jan 2009 14:34:55 -0500, Spehro Pefhany
wrote: On Thu, 11 Dec 2008 12:54:58 -0800, John Larkin wrote: This is a 6-pole 50 Hz Sallen-Key lowpass filter, designed to plug onto an ADC board as an option. It uses chopper opamps for DC accuracy. Size is 1.3 x 0.4 inches. John Brat's first? No, this is her first: ftp://jjlarkin.lmi.net/J750.gif This is a little circuit I did so she could overlap Mike, who was leaving. I needed something they could finish in a week. It's a 1 GHz, G=100 DC-coupled amplifier with photodiode option. If it works, we'll put up a web page and try to sell it. It will generate some press releases, anyhow. John |
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