-
Bandwidth: ~ 1.5 GHz (-3 dB)
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Positive or negative input signals
-
Gain range: from +18 dB to +54 dB
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Output voltage: ± 1V
-
Input and output impedance 50 Ω, SWR<1.5:1
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Noise Figure: 7 dB @ 1 GHz
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Up to 750 V (positive or negative) detector bias voltage
The CAEN Mod. A1423B is an inverting Wideband Amplifier designed for fast detectors, as SiPMs and Diamonds, having a bandwidth of ~ 1.5 GHz (-3dB). The gain ranges from +18 dB to +54 dB and it is locally controlled through a rotary switch. The amplifier accepts both positive and negative input pulses and can provide an energy output in the ± 1V range across a 50 Ω load. The amplifier is AC decoupled with an input and output impedance of 50 Ω (SWR < 1.5:1) and can carry a bias voltage for the detector up to ± 750 V. The A1423B is implemented in a shielded box and features SMA connectors for the HV BIAS, IN/DETECTOR and OUTPUT.
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Compare
|
Image
|
Name
|
FORM FACTOR
|
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 |
|
Gain range |
From +18 dB to +54 dB |
|
Polarity |
Positive or negative input signals |
|
Bandwidth |
~ 1.5 GHz (-3dB) |
|
Noise Figure |
7 dB @ 1 GHz |
|
INPUT IN(*) |
Detector input (AC decoupled) (*)Safety and Operation requirements: The input circuit includes a protection network to prevent damage to the input circuit from transient generated in the IN/HV network (up to ± 500 V). Anyway care must be taken in the use of A1423B |
|
INPUT (HV) |
HV BIAS input / Detector bias voltage |
|
OUTPUT (OUT) |
Amplifier Out (AC decoupled) |
|
Power Requirements |
The module is powered by an external AC-DC stabilized power supply provided with the amplifier and included in the delivered kit. |
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