美国SIGNAL RECVOERY公司（原EG&G）为您提供微弱信号检测方面的完美解决方案。
数字锁相放大器7280/7265/7225性能卓越，采用直接数字解调，而且操作简单。不同与其它的锁放
，它也能工作在传统的音频频率范围。
模拟锁相放大器5210/5209满足您在模拟应用方面的苛刻需要

Input (continued):
Gain Accuracy ± 2% typical for digital outputs; ± 6% typical for analog outputs
Gain Stability 200 ppm/°C typical

Signal Channel Filters
High-pass Signal Channel Filter
-3 dB frequency 1 Hz, 10 Hz, 100 Hz or 1 kHz
Low-pass Signal Channel Filter
-3 dB frequency 50 Hz, 500 Hz, 5 kHz or 50 kHz
Frequency Accuracy ± 10%

Reference Channel
Mode TTL or Analog
Frequency Range 5 Hz to 20 kHz
Analog Impedance 1 MΩ // 30 pF
Phase Set Resolution 0.1° increments
Phase Set Accuracy ± 1°
Phase Noise ≤ 0.015° rms @ 1 kHz, 100 ms, 12 dB
TC ≤ 0.007° rms @ 10 kHz, 100 ms, 12 dB TC
Phase Drift < 0.05°/°C
Orthogonality ± 1°
Acquisition Time 1 s + 2 cycles max

Demodulator and Output Processing
Mode: Squarewave switching demodulator + HP/LP filters

􀂊 5 Hz to 20 kHz operation (or single “spot” frequency up to 100 kHz) 

􀂊 Voltage mode input 

􀂊 Squarewave demodulation 

􀂊 Adjustable low-pass and high-pass signal channel filters

􀂊 Up to 80 dB dynamic reserve
 
􀂊 Complete with software