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Features

ANALOG/DIGITAL BANDWIDTH 30MHz
SAMPLING RATE 20MSPS+2000MSPS
MEMORY: 2x2048X8 bit
RS-232 INTERFACE (303P only)
HARD COPY (centronics interface, 303P only)
INTERNALLY BACKED UP MEMORY
CE, TUV GS, UL, CUL, IEC1010

CATHODE RAY TUBE
6 inch diagonal, rectangular screen with internal graticule 8 * 10
DIV ( 1 DIV = 1 cm ). P31 phosphor, 2.1kV accel voltage.
VERTICAL AMPLIFIERS ( CH I 1 AND CH 2 )
Sensitivity:
5 mV / div to 5 V / div ( X1 mode ).
1 mV / div to 1 V / div ( X5 mode ).
1-2-5 sequence, 10 step attenuator. Vrnier control provides fully adjustable attenuation between steps.
Accuracy:+/-3% ( X1 mode ). +/-5% ( X5 mode ).
Input Impedance:1 M Ω +/-2% // 25pF +/-10pF
Frequency Response:
5 mV to 5 V / div (CAL.):DC to 30 MHz (-3dB).
1 mV / div (CAL.):DC to 5 MHz (-3dB).
Rise Time:Approximately 11.7ns.
Operating Modes :CH 1.CH 2.ALT. CHOP. ADD.
Polarity Reversal (lnvert):CH 2 only.
Maximum Input Voltage:400 V dc + ac peak.
Maximum Undisturbed Amplitude:
DC-to-30- MHz:4 divisions.
DC-to-10- MHz:8 divisions.
HORIZONTAL AMPLIFIER
(Input through channel input)
X-Y mode:switch selectable using X-Y switch.
CH 1:X -axis.
CH 2:Y-axis.
Sensitivity:1mV/div to 5V/div
Accuracy:
Y-Axis:+/-3%
X-Axis:+/-6%
INPUT IMPEDANCE: 1 M Ω // 25pF
Frequency Response:DC to 1 MHz typical(-3dB).
X-Y Phase Difference:Approximately 3 at 50 KHz.
Maximum Input Voltage:400Vdc + ac peak
SWEEP SYSTEM
Sweep Speed:0.1 us / div to 0.5 s / div in 1-2-5 sequence, 21
steps.Vernicr control provides fully adjustable
sweep time between steps
Accuracy: +/-3%
Sweep Magnification:10x, +/-10 (0.1 us and 0.2 uncalibrated
when X10 is engaged).
Holdoff:Continuously adjustable from one to five timies normal.
TRIGGERING
Trigger Modes:AUTO (free run)or NORM
Trigger Source:CH 1, CH 2, ALT, EXT, LINE.
Trigger Coupling:
AUTO(AC):30 Hz to 40 MHz
TV-H(AC):Used for triggering from horizontal sync pulses.
TV-V(DC): Used for triggering from vertical sync pulses.
Maximum External Trigger Vlotage:300 V DC + AC Peak
DIGITAL STORAGE FACILITIES
Memory:2K words per channel(2 x 2048 x 8 bit)
Real Time Sampling Rate:20M sample/sec.
Vertical Accuracy:Same as analog.(+/-3%H x 1 mode
Ｋ5% x 5mode)
Horizontal Resolution:2048 points for 10 div.
DSO Timebase:0.1us/div to 0.5s/div(21 Range).
Accuracy:+/-3%
Slow:x100.10ms/div ~ 0.5s/div ( 6 Range). extern to 50s/div.
Equivalent Mode Range:5us/div to 0.1us/div (6 Range).
Equivalent Mode Bandwidth:30 MHz ( -3dB )
Equivalent Sampling Rate:2000MSPS
Roll Mode Range:0.5s/div to 10 ms/div ( 6 Range).x 100
extend to 50s/div.
Clock Rate:20 MHz.
Operating Mode:Roll. Save ALL. Save CH 2. X-Y. Single.
Pre-Trig( 0%.25%.50%.75% ) RS232.

* RS232( DS-303P Only ): 4800,Noparity, 8 bit, 1 stop bit.
* Hard Copy( DS-303P Only ):Epson( 224 pin ) Compatiable Printer
* Date Maintenance:Internally Backed up Memory

Trace Rotation:Electrical, front panel adjustable.
Power Requirements:115V/230V AC +/-10%, 50 / 60
Hz,approximately 60 W.
Dimensions:324 x 132 x 398 mm( 12.8 x 5.2 x 15.6" ).
Weight:Approximately 8.5kg ( 18.7 lbs ).
C E STANDARD:
E.M.C. Regulations-1992 ( E.C.Directive 89/336/EEC )
EN 50081-1 Emissions.
EN 50082-1 limmunity.

2 Test Probes