MATRIX MOS-620 Dual Channel Analog Oscilloscope (20MHz)

Vertical System

Sweep Time: 0.2 µSec ~ 0.5 Sec/DIV, 20 steps in 1-2-5 sequence

Accuracy: ±3%

Fine: ≤1/2 of 5-panel indication scale

Sweeping Magnification: 10x

X10MAG Sweep Time Accuracy: ±5% (20nSec~50nSec not calibrated)

Linear: ±5%

X10MAG: ±10% (0.25 ~ 1µSec)

Displacement Caused by X10MAG: <2 DIV at the center of CRT

X-Y Mode

Sensitivity: Same as vertical axis

Frequency Range: DC~500kHz

X-Y Phase Error: ≤3° (DC~50kHz)

Trigger

Trigger Source: CH1, CH2, LINE, EXT

Trigger Coupling:

AC: 20Hz to full bandwidth

Trigger Slope: +/-

Sensitivity:

20Hz~2MHz: 1 DIV TRIG-ALT: 2 DIV EXT: 200mV

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

TV: Sync pulse > 1 DIV (EXT: 1V)

Trigger Mode:

AUTD: AUTO

NORM: NORM

TV Field: For TV signal observation

TV Line: Synchronizes only when the sync signal is a negative pulse

External Trigger Mode

Input Impedance: Approx. 1MΩ/25pF

Max Input Voltage: 300V (DC + AC peak)

AC Frequency: 1kHz or lower

Calibration Signal

Waveform: Square wave

Frequency: Approx. 1kHz

Duty Cycle: <48:52

Output Voltage: 2 Vp-p ±2%

Output Impedance: Approx. 1KΩ

CRT Oscilloscope Tube

Model: 6-inch rectangular internal graticule

Phosphor Powder: P31

Acceleration Voltage: Approx. 2kV (20MHz)

Valid Display: 8X10 DIV [1 DIV = 10mm (0.39in)]

Graticule: Internal

Trace Rotation: Adjustable at front panel

Technical Characteristics

Power Source: AC 220V ±10% (standard), AC 110V/220V ±10% (optional) 50Hz/60Hz, 35VA Maximum

Dimensions: 455(W) × 150(H) × 310(D) mm

Weight: Approx. 8kg

Horizontal System

Sensitivity: 5mV~5V/DIV, 10 steps in 1-2-5 sequence

Sensitivity & Accuracy: ≤3%; 1/2.5 or smaller than panel indicating scale

Frequency Range: DC~20MHz

AC Coupling: <10Hz (100kHz 8DIV frequency response: -3dB)

Rise Time: Approx. 17.5nSec

Input Resistance: Approx. 1MΩ/25pF

DC Balance Movement: 5mV~5V/DIV: ±0.5DIV

Linear: Amplitude change <±0.1DIV (waveform moves vertically in the center of the grid)

Vertical Mode

CH1/CH2 Display: Dual, displays CH1 and CH2 simultaneously, can alternate or intermittently

ADD Mode: CH1 and CH2 algebraic addition

Intermittent Repetition Frequency: Approx. 250kHz

Input Coupling: AC, GND, DC

Max Input Voltage: 300V peak (AC: Freq. ≤1kHz)

Common Mode Rejection Ratio (CMRR)

CMRR: >50:1 at 50kHz sine wave (CH1 and CH2 sensitivity set the same)

Insulation Between Channels (in the range of 5mV/DIV):

> 1000:1 50kHz; > 30:1 15MHz /> 30:1 35MHz; > 30:1 45MHz

CH2 INV BAL: Balance point change rate ≤1DIV (corresponding to the scale center)