142PC preamplifier

noise

rise time

Based on+0.5 Vsignal, through either output to93-Ω circuit, and from the peak amplitude of10% to90% to measure; in0 pFtime is25 ns, in100 pFtime is150 ns。

Sensitivity

Nominal value measured via either output,4 V/pC。

Dynamic input capacitance

1000 pF。

integral nonlinearity

for0to±7 Vopen circuit or ±3.5 VTermination93Ω，≤±0.05％。

Output linear range

±7 V。

temperature instability

≤±50 ppm/°C，0to50°C。

Detector bias isolation

±3000 V。

open loop gain

≥40,000。

Input

Accepts an input signal from a proportional counter and extends the operating bias to the proportional counter.

bias voltage

Accepts a proportional counter bias voltage from the bias supply.

test

Accepts input voltage pulses from the pulse generator, which can be used to check and calibrate instruments and systems;R_in =93 Ω。

energy and timing

2connectors passed2Both output paths provide the same signal; either or both outputs can be used as needed, and they are interchangeable. through each connectorR_o = 93 Ω, the output polarity is opposite to the input pulse polarity (the output pulse polarity is the same as the bias polarity).

Input and bias

SHV。

Testing, energy and timing

BNC。

power cord

3meters(10ft.) comes with its own power cord.ORTEC 121-C1;Longer lengths available on special order.

Required power supply

+24 V, 30 mA; –24 V, 10 mA; +12 V, 15 mA; –12 V, 15 mA. byNIMchassis andORTECmain amplifier orORTEC 4002PPowered by a portable power supply; built-in cable is compatible with all power supplies.

weight

Net weight 0.65Kilogram (1.5pounds). Shipping weight 1.3Kilogram (3.0pounds).

Size

4.5 X 13.2 X 10.0 cm (1.75 X 5.2 X 4.0 inches) plus3meters(10ft.) of cable.

Model

Description

142PC

preamplifier

C-24-12

Bring twoBNCmale plugRG-62A/U 93ohm cable;12feet long

C-36-2

Bring twoSHVfemale plugRG-59A/U 75ohm cable;2feet long

C-36-12

Bring twoSHVfemale plugRG-59A/U 75ohm cable;12feet long