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Fast, inverting preamplifier
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Sensitivity of 3.6 mV/fC
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ENC of 0.16 fC (1000 e)
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Output impedance of 50 Ohm
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Output range 0 to 1 V
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Up to 1 kV (positive or negative) detector bias voltage
The A1425 is a fast and low noise preamplifier with AC coupled input. The fast rise time makes it suited for amplifying the signals from detectors as fast silicon sensors and diamond detectors.
It has been designed for spectroscopy applications, and can be combined with sub-nanosecond measurements of particle time-of flight. It is optimized for high-speed single MIP particle detection with diamond detectors, where the signal integrated change is extremely small. It integrates a high voltage input for detector bias up to 1 kV.
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Compare
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Image
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Name
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FORM FACTOR
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NO. OF CHANNELS
|
DESCRIPTION
|
SENSITIVITY
|
COMPATIBLE DETECTORS
|
|
|
A1422H |
Single in-line package |
1 |
Low Noise Fast Rise Time Charge Sensitive Preamplifiers (SIP) |
1/5/45/90/400/450<br>mV/MeV (Si) |
Silicon (Si) |
|
|
A1424 |
Desktop |
1 |
Fast Charge Sensitive Preamplifier |
3.6 mV/fC |
Diamond |
|
|
A1422C/D |
Desktop |
8 |
Low Noise Fast Rise Time Charge Sensitive Preamplifier |
5 (mV/MeV) (Si) |
He3 / BF3 Tubes |
|
|
A1422 |
Desktop |
1 / 4 / 8 |
Low Noise Fast Rise Time Charge Sensitive Preamplifiers |
1/5/45/90/400/450<br>mV/MeV (Si) |
He3 / BF3 Tubes<br>Proportional Counters<br>Ionization Chambers<br>Segmented Silicon <br>Silicon (Si) |
|
|
A1429 |
Desktop |
64 |
Charge Sensitive Preamplifier |
20/45/90/200/400<br>mV/MeV (Si) |
GEM Segmented Silicon |
|
|
A1427 |
Desktop |
1 |
Low Noise Fast Current Neutron Flux Preamplifier |
FC: 700÷2500<br>(Trimmer adjustable)<br>PR: 500÷1500<br>(Trimmer adjustable) |
Fission Chambers<br>Proton Recoil |
|
|
A1422E/F |
Desktop |
2 / 4 |
Low Noise Fast Rise Time Charge Sensitive Preamplifiers |
200 mV/MeV (Si) |
Silicon (Si) |
|
|
A1442 |
Desktop |
16 / 32 |
Charge Sensitive Preamplifier |
Selectable 20/100<br>mV/MeV (Si) |
GEM Segmented Silicon |
|
|
New A1421 |
Desktop |
1 |
Preamplifier and Discriminator for 3He tubes |
30 mV/fC on HiZ<br>(15 mV/fC on 50 Ω) |
He3 / BF3 Tubes |
|
|
R1443 |
19” rack unit |
32 / 64 |
Preamplifier Unit for 3He tubes |
2.25 V/pC |
He3 / BF3 Tubes |
|
|
A1423B |
Desktop |
1 |
Wideband Preamplifier |
Selectable From<br>+18 dB to +54 dB |
Diamond PMT<br>Scintillators<br>SiPM / MPPC |
|
|
A1426 CARDARELLI |
Desktop |
1 |
Matched Charge Preamplifier |
Up to 5 mV/fC |
Diamond |
|
|
A1436 / A1436A |
Desktop |
1 / 8 |
Differential Input Low Noise Transimpedance Amplifiers |
Programmable<br>10<sup>9</sup>/10<sup>8</sup>/10<sup>7</sup>/10<sup>6</sup>/10<sup>5</sup>/10<sup>4</sup>/10<sup>3</sup><br>(V/A), 10<sup>9</sup> V/A (A1436 only) |
Diamond PMT / Scintillators<br>Silicon (Si) |
|
|
A1425 |
Desktop |
1 |
Fast Charge Sensitive Preamplifier |
3.6 mV/fC |
Diamond |
|
|
A422A |
Desktop |
1 |
Charge Sensitive Preamplifier with Timing |
5/30/60 mV/MeV (Si) |
Proportional Counters<br>Ionization Chambers<br>Silicon (Si) |
Technical Specifications
|
Packaging |
Shielded Box |
|
No. of Channels |
1 |
|
Mode |
Inverting |
|
Input Pulse polarity |
Negative only |
|
Sensitivity |
3.6 mV/fC |
|
ENC noise |
0.16 fC (1000 e) |
|
Output Range (V) |
0 ÷ 1 (50 Ohm termination) |
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Output Impedance |
50 Ohm |
|
Detector HV Rating |
1 kV |
|
Power requirements |
+12 V 30 mA (typical) |
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