
Компактный цифровой синхронный усилитель SE1201 обеспечивает превосходные характеристики в полосе пропускания от 50 мГц до 120 кГц. Благодаря высокоскоростной 4-ядерной архитектуре, высокоточному АЦП и превосходным аналоговым характеристикам, SE1201 легко определяет фазу и амплитуду слабых сигналов на фоне различных сильных шумов. По своим характеристикам SE1201 не уступает другим синхронным усилителям, а по некоторым параметрам, таким как точность измерений и рабочая полоса пропускания, даже превосходит их, что полностью удовлетворяет требованиям научных исследований и промышленного применения.
| 1. Signal Channel | |
| Voltage Input Mode | Single-ended or Differential |
| Full-scale Sensitivity | 1 nV to 1 V in a 1-2-5 sequence
1 fA to 1 µA |
| Current Input | 106 or 108 V/A |
| Impedance | • Voltage: 10 MΩ // 25 pF, AC or DC coupled
• Current: 1 kΩ to virtual ground |
| C.M.R.R | > 100 dB to 10 kHz, decreasing by 6 dB/oct |
| Dynamic Reserve | > 120 dB |
| Gain Accuracy | 0.2% typ, 1% max |
| Voltage Noise | 9 nV/√Hz at 997 Hz |
| Current Noise | • 0.13 pA/√Hz at 97 Hz
• 0.14 pA/√Hz at 997 Hz |
| Line Filters | 50/60 Hz and 100/120 Hz |
| Gounding | BNC shield can be grounded or floated via 10 kΩ to ground |
| 2. Reference Channel | |
| Input | • Frequency range: 50 mHz to 120 kHz
• Reference input: TTL or Sine • Input impedance: 1 MΩ//25 pF |
| Phase | • Resolution: 1 µdeg
• Absolute phase error: < 1 deg • Relative phase error: < 1 mdeg • 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 10 kHz, <0.5°/℃ above 10 kHz |
| Harmonic Detection | 2F, 3F, …nF to 120 kHz (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: <5 ppm/℃ for all dynamic reserve settings |
| Harmonic Rejection | -90 dB |
| Time Constant | • 10 µs to 3 ks (<200 Hz)
• 10 µs to 30 s (>200 Hz) (6, 12, 18, 24 dB/oct rolloff) |
| Synchronous Filters | Available below 20 Hz |
| 4. Internal Oscillator | |
| Frequency | • Range: 50 mHz to 120 kHz
• Accuracy: 2 ppm + 10 µHz • Resolution: 1 mHz |
| Distortion | • -80 dBc (f < 10 kHz)
• -70 dBc (f > 10 kHz) |
| Amplitude | 0.10 to 1 Vrms |
| Accuracy | 1% |
| Stability | 100 ppm/℃ |
| Output | Sine output on rear panel, and TTL sync output on rear panel |
| 5. Interface | RS-232 and RS-232 to USB interface |
| 6. Outputs | |
| CH1 and CH2 Outputs | • Function: output X, Y, R, θ
• Output voltage: ±5 V full scale, 30 mA max output current |
| 7. Display | |
| Screen | 3.5 inch, 320×240 TFT |
| Display Quantities | 4 channels of data to display X,Y,R,θ |
| Display Types | Numerical form |
| 8. General | |
| Power Requirement | • Voltage: 220 – 240 VAC, 100 – 120 VAC (optional)
• Frequency: 50/60 Hz • Power: 20 W |
| Dimension | • 259 (W) × 115 (H) × 320 (D) mm (with feet)
• 259 (W) × 102 (H) × 320 (D) mm (without feet) |
| Weight | 3.2 kg |