
Цифровой синхронный усилитель SE2052 обеспечивает превосходные характеристики в диапазоне частот от 0 до 400 МГц. Благодаря новейшим технологиям цифровой обработки сигналов и высокоскоростному 14-битному АЦП с частотой дискретизации 1 Гвыб/с, SE2052 легко определяет фазу и амплитуду слабых сигналов, подавляемых различными сильными шумами. По своим характеристикам SE2052 не уступает другим синхронным усилителям, представленным в мире, а по некоторым параметрам даже превосходит их, например, по точности измерений, отношению сигнал/шум и динамическому резерву, что полностью удовлетворяет потребности научных исследований и промышленного применения.
| 1. Dual Channel Signal Channel | |
| Frequency range | DC to 400MHz |
| Voltage input mode | Single-ended or Differential |
| Full-scale sensitivity | 1 nV to 2 V in a 1-2-5 sequence |
| Impedance | 50 Ω or 10 MΩ//15 pF, AC or DC coupled |
| Dynamic reserve | > 120 dB |
| Gain accuracy | 0.2% standard, 1% maximum |
| Equivalent input noise | 4 nV/√Hz (> 100kHz) |
| Analog-to-digital conversion | 14bit, 1GSa/s |
| 2. Dual Reference Channel | |
| Input | • Frequency range: DC to 400 MHz
• Reference input: Square or Sine Wave • Input impedance: 50Ω or 10 MΩ//15 pF, AC or DC coupled • TTL level: VINH>3 V , VINL<0.5 V • Sine reference level: Freq. > 1 Hz, > 300 mVpp |
| Phase | • Resolution: 1u°
• Absolute phase error: <1° • Differential phase error: <0.001° |
| Harmonic detection | 1 – 65535F (nF < 400MHz) |
| Acquisition time | • Internal ref.: instantaneous acquisition
• External ref.: 100 signal cycles or 1.5 ms (>100kHz) |
| 3. Two Signal Generators | |
| Frequency range | DC to 400MHz |
| Frequency resolution | 1 uHz |
| Sine amplitude | • Sine amplitude: 1uVrms to 1.5 Vrms
• Resolution: 1uVrms • Tolerance: 0.5% standard, 1% maximum • Temperature stability: 100 ppm/°C |
| Bias range | ±3V |
| Output impedance | 50Ω |
| 4. Demodulator | |
| Number | 2 |
| Input signal selection | Signal Channel CHA or Signal Channel CHB |
| Stability | • Digital output: no zero drift on all setting
• Display: no zero drift on all setting |
| Harmonic rejection | -90 dB |
| Time constant | 25 ns to 4.4 ks 6,12,18,24 dB/oct steepest fall-off |
| Measurement bandwidth | 40uHz to 6MHz |
| Filter drop | 6,12,18,24,30,36,42,48 dB/oct drop |
| 5. Display | |
| Screen | 5.6-inch, 640 x 480 TFT color LCD screen |
| Screen format | Single-channel or dual-channel display |
| Display values | X,Y,R,θ values can be displayed on each channel |
| Display type | Digital display, bar graph |
| Color style | Yellow, Green |
| 6. Auxiliary Inputs and Outputs | |
| AUX inputs | • Function: 4-channel input
• Amplitude: ±10 V, 0.1 mV resolution, 0.1% + 20 mV accuracy • Impedance: 1 MΩ |
| AUX outputs / CH outputs | • Function: 4-channel output
• Amplitude: ±10 V, 0.1 mV resolution, 0.1% + 20 mV accuracy • Drive Current: ±30 mA max |
| Sync input/output | Function: 3.3V TTL external trigger for data storage |
| 10MHz clock input/output | Function: Instrument clock input/output for multi-computer synchronization |
| 7. Communication Interface | |
| RS-232 | Standard 9-array RS-232 female socket |
| USB2.0 | USB2.0 high-speed communication interface |
| Enternet | 1Gbps Gigabit network communication interface |
| Digital I/O | Bidirectional 16bit |
| 8. General | |
| Power requirement | • Voltage: 220 – 240 VAC
• Frequency: 50 Hz • Power: 90 W typ, 100W max |
| Power supply noise suppression | 70dB@1MHz |
| Dimension | 448 (W) × 148 (H) × 515 (D) mm (with feet) |
| Weight | 12 kg |