OP instrumentation -preamps-

+/40V (0..80V) amp/preamp:
Bandw  : dc..10kHz
Signal : 1/10/100 V/V
Rin    : >100Gohm
Noise  : 15nV/sqrtHz
Supply : 85V 10mA adapter

front&schematic
50MHz preamp+bias:
Bandw : 1k..50MHz
Signal: 100 V/V
Rin   : >1Mohm
Noise : 1.8nV/sqrtHz
Supply: 9V batt.int.

quad diffamp:
Bandw : dc..200kHz
Signal: 10 V/V
Rin   : >10Gohm
Supply: 4xAA batt.int.

gen.purpose preamp:
Bandw : dc/ac 25k/200k/840kHz
Signal: x1/10/100 V/V
Rin   : >100Gohm
Noise : 10nV/sqrtHz
Supply: 9V batt inside

preamp 4MHz:
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preamp+bias:
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preamp+bias:
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preampfilt:
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0.7nV/sqrtHz FETamp:
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preamp+ HPF/LPF:
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