PS-355 ( 40MHz 推遲掃瞄 ) 模擬示波器
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-40 MHz ( -3db )
Sensitivity : 1 mV / DIV - 1 V / DIV ( 15 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 8.8 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. 

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