Key Specifications And Benefits - Ametek 7230 Instruction Manual

1.3 Key Specifications and Benefits

The SIGNAL RECOVERY Model 7230 represents a further significant advance in
the application of DSP technology in the design of a lock-in amplifier.
Key specifications include:
 Frequency range:
Standard unit
With 7230/99 option
 Voltage sensitivity:
 Current input mode sensitivities:
 Line frequency rejection filter
 Dual phase demodulator with X-Y and R- outputs
 Very low phase noise of < 0.0001
 Output time constant:
 5-digit output readings
 Dual reference mode - allows simultaneous measurement of two signals at
different reference frequencies
 Single and dual harmonic mode - allows simultaneous measurement of up to two
different harmonics of a signal
 Tandem demodulation capability - suitable for double demodulation experiments
that would otherwise require two lock-in amplifiers
 Virtual reference mode - allows reference free measurements
 Direct Digital Synthesizer (DDS) oscillator with variable amplitude and
frequency
 Oscillator frequency and amplitude sweep generator
 Voltage controlled oscillator frequency or amplitude
 8-bit programmable digital I/O port for external system control
 Four configurable DAC outputs which can be used as analog signal outputs
and/or as auxiliary DAC outputs
 Four auxiliary ADC inputs
 Full range of auto functions
 Standard USB, Ethernet, and RS232 interfaces
 100,000 point internal curve storage buffer
Chapter 1, INTRODUCTION
0.001 Hz to 120.000 kHz
0.001 Hz to 250.000 kHz
10 nV to 1 V full-scale
10 fA to 1 µA full-scale
10 fA to 10 nA full-scale
°
rms
10 µs to 100 ks
1-3