The CA7 Charge Amplifier is specifically designed for use with acoustic transducers. It is an extremely low noise, high gain amplifier with high interference rejection housed in a compact robust housing.
Specifications:
| Input Connector
| N
|
| Input Impedance
| 100ohm
|
| Output Connector
| N
|
| Output Impedance
| 50 ohms
|
| Gain
| 250mV / pC nominal
|
| Bandwidth
| <10kHz to >10MHz
|
| Maximum Output
| 1.4Vrms into 50 ohms
|
| Voltage noise
| Typically 0.5nV/Hz
|
| Bias Input
| 200V max
|
| Power Connector
| 4 pole, size O, series B LEMO
|
| Power Input
| +24V, 80mA and -24V, 7mA
|
| Housing
| Well screened metal case
|
| Dimensions
| 77 x 26 x 41mm excluding connectors
|
|
|
|
A suitable power / bias supply for this amplifier is the Cooknell SU3/C.
Other Charge Amplifiers in our range are the CA6/C and CA10.
