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1. Signal Channel
Voltage Input Mode: Single-ended or Differential
Full-scale Sensitivity: 1 nV to 1 V in a 1-2-5 sequence
Impedance: Voltage: 50 Ω//5 pF or 10 MΩ//5 pF, AC or DC coupled
C.M.R.R: >70 dB to 100 Hz, >50 dB to 100kHz
Dynamic Reserve: > 120 dB
Gain Accuracy: 0.5% typ (<1 MHz), 3% max
Noise:
6 nV/√Hz at 99.99 kHz
14 nV/√Hz at 997 Hz
2. Reference Channel
Input:
Frequency range: 1 mHz to 60 MHz
Reference input: TTL or Sine
Input impedance: 1 MΩ//5 pF
TTL level: VINH>3 V , VINL<0.5 V
Sine reference level: 0.2 V < VPP< 10 V, Freq. > 1 Hz
Phase:
Resolution: 0.001 deg
Absolute phase error: < 1 deg typ (<1 MHz), 5 deg max
Relative phase error: < 1 mdeg
Orthogonality: 90° ± 0.001°
Phase noise: (Internal ref.) Synthesized, <0.0001°rms at 1 kHz; (External ref.) 0.005°rms at 1 kHz (100 ms time constant, 12 dB/oct)
Drift: <0.01°/℃ below 100 kHz, <0.1°/℃ above 100 kHz
Harmonic Detection: 2F, 3F, …nF to 30 MHz (n<32767)
Acquisition Time:
Internal ref.: instantaneous acquisition
External ref.: (2 cycles + 5 ms) or 40 ms, whichever is larger
3. Demodulator
Stability:
Digital output: no zero drift on all setting
Display: no zero drift on all setting
Analog output: <50 ppm/℃ for all dynamic reserve settings
Harmonic Rejection: -90 dB
Time Constant: 30 ns to 4.4 ks (6,12,18,24, 30,36,42,48 dB/oct rolloff)
4. Internal Oscillator
Frequency
Range: 1 mHz to 60 MHz
Accuracy: 2 ppm + 10 µHz
Resolution: 1 mHz
Distortion:
-80 dBc (f < 100 kHz)
-60 dBc (f > 1 MHz)
Amplitude: 1 μV to 1 Vrms
Accuracy: 0.5% typ (<1 MHz), 2% max
Stability: 50 ppm/℃
TTL Output: 5V TTL/CMOS level, 50Ω output impedance
5. Interface: USB2.0, RS-232(DB-9) and 1000Mbps Enthernet
6. Inputs & Outputs
AUX Inputs:
Function: 4 channel inputs
Voltage: ±10 V full scale, 0.1 mV resolution
Impedance: 1 MΩ
AUX/CH Outputs:
Function: 4 channel inputs
Voltage: ±10 V full scale, 0.1 mV resolution
Impedance: 1 MΩ
7. Display
Screen: 5.6 inch, 640×480 TFT
Screen Format: Single or dual display
Display Types: Numerical form, bar graph
8. General
Power Requirement:
Voltage: 220 – 240 VAC, 100 – 120 VAC (optional)
Frequency: 50/60 Hz
Power: 50 W typ, 70W max
Dimension:
448 (W) × 148 (H) × 513 (D) mm (with feet)
448 (W) × 133 (H) × 513 (D) mm (without feet)
Weight: 12 kg
