Tư vấn kỹ thuật |
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Dao động ký cầm tay GWINSTEK GDS-122 (20MHZ, 2 kênh)
Hãng sx: GW INSTEK. Xuất xứ: Đài Loan
VERTICAL | |
Channels | 2 |
Analog Bandwidth | 20MHz |
Single Bandwidth | Full bandwidth |
Rise Time | 17.5ns |
Sensitivity | 5mV/div ~ 5V/div at the BNC input |
DC Gain Accuracy | ±5% |
DC Measurement Accuracy | ±(5% reading + 0.05div): average sampling |
Analog Digital Converter Resolution | 8 bits, synchronously sampling on both channels |
Displacement Range | ±50V (500mV ~ 5V), ±1V (5mV ~ 200mV) |
Low Frequency Response AD Coupling, -3dB | ±5Hz at the BNC input |
TRIGGER | |
Sources | CH1, CH2 |
Trigger Sensitivity | 2div, peak-to-peak value |
Trigger Sensitivity Edge Trigger | DC coupling: 1div (full bandwidth) |
Trigger Level Range | ±6div from the screen center |
Trigger Level Accuracy | ±0.3div typical |
Trigger Displacement | 655div (pre-trigger), 4div (post-trigger) |
50% Level Setting | Input signal ≧50Hz (typical) |
Video Trigger | NTSC, PAL, SECAM (any line or frequency) |
HORIZONTAL | |
Sampling Rate | 10S/s ~ 100MS/s |
Waveform Interpolation | sinx/x |
Record Length | 6k points on each channel |
Scan Speed | 5ns/div ~ 5s/div, 1-2.5-5 step |
Sampling Rate and Relay Time Accuracy | ±100ppm (≧1ms) |
Time Interval Accuracy (Full Bandwidth) | Single: ±(1 sampling interval time + 100ppm x reading + 0.6ns) |
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