PEA-6 Preamplifier
The PEA-6 is a charge-sensitive preamplifier for proportional counters in Mossbauer spectroscopy.
Features
- Charge-sensitive input
- Low noise FET input stage
- High voltage decoupling
- Compact housing
Technical Specifications
| Input | |
|---|---|
| Input capacitance | < 5 pF |
| HV decoupling | up to 3000 V |
| Output | |
| Sensitivity | 10 mV/MeV |
| Rise time | < 50 ns |
| Noise | < 3 keV FWHM |
Specifications
| Signal Input | Positive or negative charge pulses up to 5x10-9 Coulomb (3x1010 ion pairs) |
| Test Input | Positive or negative, voltage input, charge-coupled to preamp |
| Output | Output pulses has the inverted polarity to the input pulse |
| Rise-time | 10 nsec at 0 pF to approx. 60 nsec at 300pF |
| Fall-time | approx. 100 μsec |
| Amplitude | max ± 7.5V |
| Output Impedance | 50 Ω |
| Integral Nonlinearity | Less than 0.1% for an amplitude of 0 to ± 4 V |
| Resolution (at 20 pF) | 4x10-17 Coulomb RMS (260 ion pairs RMS) |
| Stability | Better than 0.01% /° C |
| Open Loop Gain | > 50 000 |
| Sensitivity | 1V/10-¹² Coulomb(0.16µV/ion pairs/s) |
| Count Rate | 10-5 Coulomb/s (6x 1013 ion pairs/s) |
| Connectors | Input, test input, Output |
| Size | 11 x 6 x 3.4 [cm] |