Model |
1st Stage Gain (V/A) |
1st Stage Bandwidth (Maximum)
|
PA-9-70 |
107 |
DC to 100KHz |
PA-9-60 |
106 |
DC to 300KHz |
PA-9-50 |
105 |
DC to 750KHz |
PA-9-44 |
2.5x104 |
DC to 1MHz |
Typical Specifications Model PA-9 Preamplifiers
2nd Stage Gain |
20 |
dB |
Voltage Noise Density @1KHz |
6.5 | nV Hz-1/2 |
Voltage Noise from 0.1 to 10 Hz |
1.0 |
µVpp |
Current Noise Density @ 1KHz, 1E7 Gain † |
0.04 |
pA Hz-1/2 |
Input Offset Voltage |
± 10 |
mV |
Input Bias Current |
± 1 |
pA |
Maximum Output |
1st
stage = 6 |
Vpp |
Output Impedance |
< 50 |
W |
Power Requirements |
±12
or ±15 |
VDC |