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AMU 2.4 - 1 MHz PCI-Bus LockIn Amplifier

A full lock-in amplifier on one card!
As many cards in one PC as PCI-slots are available
Operates simultaneously with the USBLockIn250 on the same PC.


Parameters - Datasheet

Oscillator frequency range: 3 mHz .. > 1 MHz,
Input noise: < 8 nV/Hz1/2@ 100kHz (range: 100 mV)
135 dB dynamic reserve
(ratio between fullscale input in V and input noise in V/Hz1/2)
Input ranges:  +/- 10 V, +/- 1 V and +/- 100  mV
Time constants between 25 µs and 5 s
Sensitivities: 10 nV .. 10 V (logarithmic)
Reference output: sine-wave, 0.3 mV ... 10 V
Input sampling rate: 40 MHz
Internal PLL (1 Hz ... 1 MHz)
TTL-reference output (cable optional)
Input coupling: ac or dc
Interface: Plug & Play PCI-Bus interface
Multiple Units on one PC
Can be combined with the USBLockIn250

Scope of delivery / Additional information

Manual in English
Interface: Plug & Play PCI-Bus interface
3 Adapater cables SMB-BNC (1 m long, RG174)
Optional: adapter to the TTL-out
Warranty: 2 years


AMU 2.4 LockIn Amplifier


(PDF, 1.95 MB)

Included Software

ready to use software for data view and spectrum acquisition
source code of this software example in Delphi 6.0 and Borland C++ Builder, Delphi XE7
DLL for the remote control from LabView or other user-programs
software example: how to use the DLL under C++, Delphi, Python, Scilab, Matlab®
Drivers for NT-based systems  (Windows 2000,NT 4.0, Windows XP, Windows 7, Windows 10) - all 32 Bit/64 Bit

Complete Package

of Labview drivers, DLL and Source Code


(Zip, 7.3 MB )