Cập nhật : 26/04/2013 9:39:08 SA

Máy hiện sóng cầm tay Gwinstek GDS-122 (20Mhz, 2CH

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Thông số kỹ thuật

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)
AC coupling: same as the DC coupling (≧50Hz)
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)
Average >16: ±(1 sampling interval time + 100ppm x reading + 0.4ns)

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