ORTEC (AMETEK)
ORTEC
ORTEC 113
Preamplifier
- Rise time
- <60 ns
- Designed fall time constant
- 50 µs, assuming a signal source impedance of 1 MΩ
- Integral nonlinearity
- ≤±0.02 %
8 referenced values
Bild: ORTEC
ORTEC 266
PMT base for 10-stage, 14-pin photomultipliers
Voltage distribution for essentially all 10-stage photomultiplier tubes that fit the standard 14-pin socket. It provides capacitively coupled linear signals from the anode and the tenth dynode for timing or pulse-height analysis, with either polarity.
Download product sheet (PDF)All values with references – for tender documents
Specifications checked against the manufacturer’s documents on 2026-10-17
Overview
Key features
- Focus trim adjustment with a screwdriver potentiometer
- Signals can be processed by a Model 113 preamplifier or fast amplifiers
Specifications
The number after each value refers to the source listed below. Values are as published by the manufacturer; the exact configuration is always confirmed in our quotation.
| PMT compatibility | 10-stage, 14-pin; TRW 3B14 socket (JEDEC B14-38)1 |
|---|---|
| Detector bias | Positive bias voltage, 2.5 kV maximum (SHV)1 |
| Voltage divider | 1.5 MΩ total, tapped in proportional steps to the tube elements1 |
| Signal outputs | Anode: negative linear output through ~1.1 MΩ, capacitively coupled (BNC); tenth dynode: positive linear output through 1.1 MΩ, capacitively coupled (BNC)1 |
| Weight | 0.37 kg net1 |
| Dimensions | Ø5.6 × 10.2 cm1 |
The data comes from the manufacturer’s published documents. Manufacturers may change specifications; the current configuration and performance are confirmed in the quotation.
Documents
Sources
The number after each value refers to the source listed below. Values are as published by the manufacturer; the exact configuration is always confirmed in our quotation.
- 1
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ORTEC 276L
Low-power PMT base with preamplifier
- PMT compatibility
- 10-stage, 14-pin; TRW 3B14 socket (JEDEC B14-38); directly compatible with many integrated NaI-PMT assemblies
- Conversion gain
- Nominally 5 µV/eV with a 2 × 2 in NaI(Tl) crystal and PMT gain of 10⁶
- Weight
- 0.65 kg net
14 referenced values
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ORTEC 269
PMT base for 14- and 12-stage, 20-pin photomultipliers
- PMT compatibility
- 14- or 12-stage, 20-pin socket (JEDEC B20-102), including Hamamatsu R1250; Philips XP2020, XP2020Q, XP2040, XP2040Q, XP2041, XP2041Q, XP2212B, XP2230B, XP2233B, XP2262B; EMI 9813K
- Weight
- 0.63 kg net
6 referenced values
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