| Technical Specifications | 
 
 | VERTICAL DEFLECTION | 
 
 Deflection Coefficient  (CH1 &CH2) | 
 2mV/div to 5V/div in 11 calibrated steps in 1, 2, 5 sequence. 
 Uncalibrated variable control between the steps upto atleast 12.5V/div. | 
 
 | Accuracy | 
 ±3%. | 
 
 | Bandwidth | 
 DC-100MHz (-3dB), dc coupled. 10Hz-100MHz (-3dB), ac 
 coupled. DC-50MHz (-3dB) (dc coupled) on 2mV range. 10Hz-50MHz 
 (-3dB) (ac coupled) on 2mV range. | 
 
 | Rise Time | 
 3.5ns or less, 7ns or less on 2mV. | 
 
 | Polarity Reversal | 
 CH2 invert. | 
 
 | Input Impedance | 
 1M ohms // 22pF ±10%. | 
 
 | Maximum Input Voltage | 
 400V (DC + AC peak). | 
 
 | TRIG View Amplifiers | 
 Ext. TRIG A & B. | 
 
 | Sensitivity | 
 0.5V/div and 5V/div. | 
 
 | Accuracy | 
 ±10%. | 
 
 | Bandwidth | 
 DC-60MHz (dc coupled), 10Hz - 60MHz (ac 
coupled). | 
 
 | Rise Time | 
 5.8ns or less. | 
 
 | Input Coupling | 
 AC, AC-LF, TV, DC. | 
 
 | Input Impedance | 
 1M ohms // 30pF ±10%. | 
 
 | Max. Input Voltage | 
 400V (DC + AC peak). | 
 
 | Signal Delay Time | 
 At least 20ns visible delay. | 
 
 | Vertical Modes | 
 CH1, CH2, TRIG view in ALT or CHOP mode, CH1 and CH2 
 Algebraic ADD and SUBTRACT. | 
 
 | Chop Frequency | 
 500KHz per channel. | 
 
 | Cross Talk | 
 Better than 100:1 at 50MHz. | 
 
 | Bandwidth Limiter | 
 Frequency response can be limited to approx. 20MHz by 
 bandwidth limiter switch. | 
 
 | TIME BASE | 
 
 | Operating Modes | 
 A, A INTEN, A&B ALT, B, X-Y (CH1 as X 
 amplifier). | 
 
 | Sweep Mode | 
 Auto, Auto Preset, Normal, Single. | 
 
 | A Time Base | 
 20ns/div to 0.5s/div (2ns/div to 50ms/div at x10 MAG) 23 
 steps in 1-2-5 sequence, variable vernier control (range 1, 2, 5).  (UNCAL - LED indication) provides fully adjustable sweep time 
 between steps. | 
 
 | Accuracy | 
 ±3%. | 
 
 | Hold-off Time | 
 Continuously variable. | 
 
 | B Time Base | 
 (Continuous triggered delay) 20ns/div to 50ms/div (2ns/div to 
 5ms/div at x10 MAG) 20 steps in 1-2-5 sequence. | 
 
 | Accuracy | 
 ±3%. | 
 
 | Delay Time | 
 0.5µs to 5 sec continuous variable 10 turn calibrated 
 vernier. | 
 
 | Delay Jitter | 
 1 : 20,000. | 
 
 | Sweep Magnification | 
 x10 ±4%. | 
 
 | Linearity | 
 ±2%, ±4% at x10 MAG.  | 
 
 | Trigger System | 
 A source : Int, Mains, Ext, Ext/10. Coupling : AC, AC-LF, 
 TV (Frame), DC. Slope : + or -. Mode : Auto, Normal, 
 Autopreset. B source : Int, Mains, Ext, Ext/10. Coupling: AC, AC-LF, TV (Line), DC. Slope : + or - . Mode : Normal, Runs 
 After Delay. | 
 
 | External Trigger | 
   | 
 
 | Input | 
 TRIG view for A sweep and TRIG view for B sweep. | 
 
 | Input Impedance | 
 Same as TRIG view amplifiers A & B. | 
 
 | Max. Voltage | 
 400V (DC + AC peak). | 
 
 | Trigger Indication | 
 Green LED lights when sweep is triggered. Trigger 
 sensitivity in Normal Mode : Source  
 
 
 
 | 
  Coupling  | 
 
  Frequency  | 
 
  Int.  | 
 
  Ext.  |  
 
 | 
  AC  | 
 4Hz-10MHz | 
 0.3div | 
 35mV |  
 
 | 10MHz-50MHz | 
 0.5div | 
 50mV |  
 
 | 50MHz-100MHz | 
 1.5div | 
 200mV |  
 
 | 
  DC  | 
 DC-10MHz | 
 0.3div | 
 35mV |  
 
 | 10MHz-50MHz | 
 0.5div | 
 50mV |  
 
 | 50MHz-100MHz | 
 1.5div | 
 200mV |  
 
 |   | 
 EXT/10 | 
 1.5V |    | 
 
 | HORIZONTAL DEFLECTION | 
 
 | X-Y Mode | 
 X-axis CH1, Y-axis CH2. | 
 
 | Sensitivity | 
 2mV/div to 5V/div. | 
 
 | Accuracy | 
 ±3%. | 
 
 | Bandwidth | 
 DC ~ 3MHz (-3dB). | 
 
 | Phase Shift | 
 ±3º at 150KHz. | 
 
 | CRT Type | 
 150 mm rectangular with internal graticule. | 
 
 | Display Area | 
 8 x 10 div (1 div = 1 cm). | 
 
 | Accelerating Voltage | 
 14KV. | 
 
 | Phosphor | 
 P31. | 
 
 | Scale Illumination | 
 Continuously variable. | 
 
 | Trace Rotation | 
 Side panel adjustable. | 
 
 | MISCELLANEOUS | 
 
 | Z-Axis (Intensity Modulation)  | 
 TTL level or 5V +ve going signal decreases trace 
 intensity. Usable upto DC-20MHz.  | 
 
 | Input Resistance | 
 47K ohms ±10%. | 
 
 | Max. Input | 
 50V (DC + AC peak). | 
 
 | CAL OUT | 
 0.3V p-p ±1%, square wave 1KHz ±2%. | 
 
 | CH1 SIG OUT | 
 Output voltage 10mV/div approx. (cascading to CH2 input 
 increases CH1 sensitivity to 400µV/div upto 10MHz). | 
 
 | Other Outputs | 
 A GATE, B GATE. | 
 
 | GENERAL INFORMATION | 
 
 | Power Requirement | 
 115V/230V AC ±10%, 47/65Hz, 70VA (max.). | 
 
 | Dimensions | 
 162 (H) x 335 (W) x 500 (D) mm approx. | 
 
 | Weight | 
 10 Kgs. approx. | 
 
 | Accessories | 
 Instruction Manual, 2 Input BNC Leads, Mains 
 cord. Optional : High impedance x1/x10 switchable probe (Model 
 309), Trolley (Model 304). |