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| Output Impedance | 50Ω ± 10% |
| Amplitude | Not less than 20Vp-p (no load) |
| DC Voltage | 0 - ± 10V, continuously adjustable |
| Symmetrical Range | 90:10 — 10:90 |
| Square Wave Front | < 100ns |
| Sine Wave Characteristics | |
| Distortion | Less than 1% (10Hz ~ 100kHz) |
| Frequency Response |
0.1Hz ~ 100KHz: No more than ± 0.5dB 100KHz ~ 5MHz (LW-1642): No more than ± 1dB 100KHz ~ 2MHz (LW-1641): No more than ± 1dB |
| TTL/CMOS Output | |
| Level | TTL pulse low level ≤ 0.4V, high level ≥ 3.5V. CMOS pulse low level ≤ 0.5V, high level continuously adjustable from 5V to 14V. |
| Rising Time | < 100ns |
| VCR Input | |
| Voltage | -5V ~ 0V ± 10% |
| Max Control Ratio | 1000:1 |
| Output Signal | DC - 1KHz |
| Frequency Meter | |
| Test Scope | 1Hz ~ 1KHz ≥ 10Vp-p |
| Input Impedance | Not less than 1MΩ / 20pF |
| Sensitivity | 100mVrms |
| Maximum Input | 150V (AC + DC) |
| Input Failure | 20dB |
| Accuracy | Less than 0.003% ± 1 word |
| Power Supply | 220V/110V ± 10% 50Hz/60Hz |
| Physical Dimensions | |
| Size | 270 × 225 × 90mm |
| Weight | 2.5Kg |




