Máy hiện sóng tương tự 2 kênh PINTEK- Đài Loan, PS-205, (20Mhz, 2 kênh, With Delay Sweep)

CATHODE RAY TUBE

6 inch diagonal, rectangular screen with 
internal graticule 8 x 10 DIV ( 1 DIV = 
1 cm ), P31 phosphor. 2.1 kV accel voltage

VERTICAL DEFLECTION

Bandwidth :

DC-20 MHz ( -3db )

Sensitivity :

1 mV / DIV – 1 V / DIV ( 10 MHz -3db ). x 5 gain 
selected. 5 m V/ DIV – 5 V / DIV

Attenuator :

1-2-5 sequence. 10 step with variable control.

Input Impedance :

1MΩ± 2%, 25 pF ± 10 pF

Max. Input Voltage:

400 V ( DC + AC peak ).

Rise Time:

Less then 17.5 nS

Over Shoot:

Less than + / – 5 %

Operation Mode:

CH 1, CH 2, DUAL ( ALT, CHOP ).

Algebraic Addition:

CH 1 + CH 2, CH 1 – CH 2.

Inverter:

CH 2 only.

HOIZONTAL DEFLECTION

X-Y Mode

switch selectable using 
X-Y switch CH 1 : X axis. CH 2 : Y axis.

Accuracy:

Y – Axis + / – 3 % X – Axis + / – 6 %

Bandwidth:

DC – 1 MHz ( -3db ).

X-Y Phase Difference:

Approximately 3°at 50 kHz.

SWEEP SYSTEM

Sweep Display Mode:

Main, Mix, Delay.

Hold Off Time:

5:1 continuously variable. ( 0.1 /FONT>S / DIV )

MAIN SWEEP

Sweep Speed:

10X, +/- 10% to 2S/div in 1-2-5 sequence, 23 steps.

Accuracy:

+ / -3 %.

Variable Time Control:

5:1, uncalibrated, continuously 
variable between steps

Sweep Magnification:

10X, +/- 10% ( 2.0S/DIV – 0.2μS/DIV). 
extend sweep speed up to 10 nS / DIV.

DELAY SWEEP

Sweep Speed:

0.1μS / DIV S / DIV – 2.0S / 
DIV in 1-2-5 sequence 23 steps.

Accuracy:

+ / – 3%.

Sweep Magnification:

10X, +/- 10% ( 2.0S/DIV – 0.2μS/DIV)
extend sweep speed up to 10nS/DIV.

Delay Time Position:

Variable control to locate desirable 
waveform for extending.

TRIGGERING

Trigger Coupling:

AUTO, NORM. TV-V, TV-H.

Trigger Source:

CH 1, CH2, ALT, LINE, EXT.

Slope:

+ / –

TRIGGER SENSITIVITY
COMPONENT TEST

Test Voltage:

Max. 6 Vrms ( open circuit ).

Test Current

Max. 11 mA ( shorted ).

Test Frequency

Line Frequency.

Components

Capacitor, Inductor, Diode, Transistor, Zener etc.

CH 2 OUTPUT

Output level

100 mV / DIV ( no load ).
50 mV / DIV ( with 50Ω load ).

Bandwidth

20 Hz-20 MHz ( -3db ).

Graticule IIIumination

Adjustable.

Calibrator

Square wave 1 KHz ± 10 %, 2 Vp-p ± 3 %

Z-Modulation

Positive TTL signal, low level blank intensity 
at any intensity, high level unblank any intensity.

Trace Rotation

Adjustable on front panel.

Power Source

115, 230VAC ± 10%, 50/60 Hz.

Power Consumption

Apporx. 38 Watts.

Dimensions

324 (W) x 398 (D) x 132 (H) mm.

Net Weight

Approx. 7.6 kg.

Rated Range of Use

10℃ – 35℃, 10-80% R.H.

Limits of Operation:

0℃ – 50℃, 10-80% R.H.

Storage Environment

– 30℃ – 70℃, 10-90% R.H.

C E STANDARD:

E.M.C. Regulations-1992 ( e.c. Directive 
89/336/EEC )EN 50081-1 Emissions.EN 
50082-1 limmunity.