ORTEC 863

Timing amplifier

ORTEC 863 – timing amplifier from ORTEC. Channels: 4.

Channels
41
Datasheet

Specifications checked against the manufacturer’s documents on 2026-10-16

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Overview

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.

Performance

Integral nonlinearity<±0.5 %; ±5 V into 50 Ω1
Input noise<50 µV rms; maximum gain, filters Out1

Measuring range

Linear output into 50 Ω0–±5 V1

Electronics & signal

Channels41
Input signal0 to ±1.0 V AC signal; 0 to ±2 V DC offset; max. ±2 V signal plus offset1
GainCoarse ×1 or ×5 × fine ×2–×50 (nominal); overall nominally 2–2501

Environment & ratings

Operating temperature0–50 °C1

General

Rise time, filters out<10 ns1
IntegrationOut or 50 ns1
DifferentiationOut or 200 ns1

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. 1
    Publisher: ORTEC (AMETEK)Datasheet p. 1, description; p. 1, Specifications – Performance; p. 1, Performance; p. 1, Controls (Coarse/Fine Gain) and description … Checked 2026-10-16
ORTEC 276L
ORTEC

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
ORTEC 269
ORTEC

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
ORTEC 266
ORTEC

ORTEC 266

PMT base for 10-stage, 14-pin photomultipliers

PMT compatibility
10-stage, 14-pin; TRW 3B14 socket (JEDEC B14-38)
Weight
0.37 kg net
6 referenced values
ORTEC 265A
ORTEC

ORTEC 265A

PMT base for 12-stage, 21-pin photomultipliers, for fast timing

PMT compatibility
12-stage, standard 21-pin sockets, including Hamamatsu R329, R1332, R1333 and Burle 8575, 8850, C31000M
Weight
0.63 kg net
6 referenced values
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