SKU: AD-502

CDQ620/ CDQ 630

 - 20MHz/30MHz dual channel
  - 20 MS/s sampling rate
  - Record length: 1k/CH+1kX2 (Reference Memories)
  - High sensitivity: 1mV/div
  - 10 times sweep magnification (DSO mode: Max 100 times)
  - 10s/div ultra low sweeping speed
  - Preset triggering function, pre-trigger signal observation
  - Two channels, two reference waveforms display simultaneous
  - Measure and display single shot, non-period signals
  - TV synchronization, X-Y mode
  - Z-Axis input; CH1 signal output
  - Built in RS232C interface
  - Analog, ultra low speed and storage oscilloscope, three in one
  - High performance with low price.

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Technical Data

AD-502

CRT

Type

6-inch rectangular with internal graticule 8x10div (1div=1cm)

Illumination

Front panel control

Z-axis input

Zin: ≈47kΩ ; Vin: ≥5Vp-p; Bw: DC~2MHz; Max. input voltage: 300V

VERTICAL

Sensitivity

x1/x5:±3%;5mV~5V/div Real time: ±3%/1mv~1V/div Real time: ±5%

Vertical resolution

28 point/div

Bandwidth

x1/x5 Real time: DC(AC 10Hz)~20&30MHz(-3dB)/DC~7MHz(-3dB)

Rise time

x1/x5 Real time: Real time: ≤17.5ns(11.7ns CDQ630)/Real time: ≤50ns

Input impedance

≈1MΩ/ 25PF

Max input voltage

400V (DC+ACp~p)

Input coupling

AC, DC, GND

Vertical operation mode

CH1, CH2, DUAL(ALT/CHOP)ADD, CH2 INV

Chopper frequency

Approx. 250kHz

HORIZONTAL

Sweep time

0.2us~0.5s(DSO=10S) / div±3%; MAGx10:100ns ~ 50ms(DSO=1s) /div ±5%

Accuracy

±3%, ±5% at x10MAG

Sweep magnificaton

x10

TRIGGER

Trigger mode

AUTO,NORM,TV-V,TV-H

Trg-level lock

Trigger source

CH1, CH2, ALT, LINE, EXT

Trigger coupling

AC: 20Hz~20/30MHz DC: 0~20/30MHz

Trigger Slope

"+" or "-"

Pre-Trg point

div: 2, 5, 8

Sensitivity

20Hz~2MHz 0.5DIV TRIG-ALT: 2DIV EXT: 200mV

2MHz~20MHz 1.5DIV TRIG-ALT: 3DIV EXT: 800mV

X-Y

Sensitivity

5mV~5V/div, ±4%; 5mV~20V/div, ±3%(CDQ630)

X-axis bandwidth

DC ~500KHz

Phase error

≤3°DC ~ 50KHz

DIGITAL STORAGE

Storage Bandwidth

DC~8MHz(-3dB)

Sampling

Fmax=20MS/s, A/D: 8-Bit, Sweep D/A: 10-Bit

Sensitivity

±3%±0.4mm(x5MAG: ±5%±0.4mm)

Rise time

≤100ns(x5MAG:≤100ns)

Saved wave

MAG point div: 2, 5, 8

MAG rate Max: 100

Display resolution

H: 100points/div; V: 28points/div

Memory length/CH

Acquisition: 1024Byte; Reference: 1024Byte; Display: 1024Byte

Sweep mode

AUTO, NORM, ROLL