Signal Recovery 7265 Dual Phase DSP Lock-In Amplifier
Introducing the Signal Recovery 7265 Dual Phase DSP Lock-In Amplifier, a cutting-edge device that leverages advanced digital signal processing (DSP) technology to enhance the functionality and performance of traditional lock-in amplifiers. This versatile unit is tailored for both measuring and controlling a wide variety of experimental setups, while also catering to users who require straightforward measurement capabilities.
Key Features
- Extensive Frequency Range: Operates from 1 mHz to 250 kHz, providing flexibility for a multitude of applications.
- Impressive Sensitivities: Achieves full-scale voltage sensitivities as low as 2 nV and current sensitivities down to 2 fA.
- Operational Modes: Offers a choice between signal recovery and vector voltmeter modes for optimal measurement accuracy under diverse conditions.
- Comprehensive Measurements: Calculates in-phase and quadrature components, vector magnitude, phase angle, and noise levels of the input signal.
Advanced Inputs and Outputs
- Includes three auxiliary ADC inputs, with one dedicated to integrating conversion.
- Equipped with four DAC outputs and eight output logic lines, allowing seamless integration with external signals such as temperature and pressure.
- Supports data storage in a 32k point buffer memory with graphical display capabilities.
User-Friendly Interface
- Soft-touch front panel push-buttons simplify control adjustments, complemented by a conveniently located cold fluorescent backlit dot-matrix LCD.
- Features a pop-up keypad for precision adjustments requiring numerous significant figures.
- Logical on-screen menus and context-sensitive help screens streamline operation.
- Includes built-in automatic functions for enhanced user convenience.
Versatile Connectivity
- External control options via RS232 or GPIB interfaces employing easy mnemonic-type ASCII commands.
- Second RS232 port allows daisy-chaining of up to sixteen Signal Recovery 7265 devices, enabling scalable experimental setups.
Specifications
- Frequency Range: 1 mHz to 250 kHz
- Time Constants: Ranging from 10 µs to 100 ks
- Oscillator: Quartz crystal stabilized internal oscillator with synchronous output for input offset reduction.
- Harmonic Measurements: Capable of measuring harmonics up to the 65,536th frequency, supporting innovative Dual Harmonic measurements.
- Built-in Experiments: Multiple novel modes of operation for added versatility including Virtual Reference™, Dual Reference, Spectral Display, Transient Recorder, and Frequency Response.
Applications