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Miniature, Dual phase, 45 kHz

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Huolto & Korjaukset Tarjouspyyntö
  • Current and voltage input
  • Working frequency up to 45 kHz
  • Adjustable sensitivity, time constant and phase
  • Local and remote control
  • Compact and EMI-shielded case

X, R, Y outputs,10 Hz-45 kHz, 50dB dynamic reserve, time constant up to 10 s, 3 µV to 100 mV switchable sensitivity


The amplifier settings – e.g. phase, gain, time constant – are controlled either by switches directly on the amplifier module or externally using a standard digital I/O computer board. The variable working frequency is determined by an external reference signal which may be e.g. the synchronization signal of a chopper wheel or the modulation signal of a laser. The current input is well suited for amplifying signals from high impedance sources like photodiodes or PMTs while the voltage input can be used to measure signals from low impedance sources like pyros or coils.

Standard delivery time: 3 weeks ARO, Conditions: Ex.Works Germany unless specified


Tekniset tiedot


True-Differential Input

Voltage Input

Lemo® connector 
Instrumentation amplifier
Noise 12 nV/√Hz

Current Input

Lemo® connector
Transimpedance amplifier, gain 1 kV/A
Noise 13 pA/√Hz

(Full Scale)

Voltage: 3 µV to 100 mV, switchable in 1-3-10
Current: 3 nA to 100 µA, switchable in 1-3-10

Working Frequency

10 Hz – 45 kHz

Reference Input

±100 mV to ±5 V, switchable to TTL


Adjustable 0° – 360° (8-bit resolution), 
Temperature drift <0,01°/K


50 dB max. dynamic reserve

Time Constants

3 ms to 10 s, switchable in 1-3-10, slope switchable 6 dB or 12 dB/octave


X [R · cos(angle)], ±10 V full scale, short-circuit protected

Digital Control

16 TTL, CMOS, opto-isolated
8 Bits phase, 4 Bits time constant, 4 Bits sensitivity

Power Supply

±15 V, 100 mA typ.


170 x 60 x 30 mm (L x W x H), Weight 370 g

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