30MHz DUAL TRACE OSCILLOSCOPE   Model 3706C
WITH COMPONENT TESTER

Features
  • DC - 30MHz Bandwidth
  • 1mV/div Sensitivity on Both Channels
  • Algebraic Addition and Subtraction
  • X-Y Operation
  • 40ns/div to 0.2s/div Time Base
  • 140mm Rectangular CRT with Internal Graticule
  • Triggering to 40MHz
  • Z Modulation
  • 8 x 10 cm. Display
  • TV Triggering Frame (V) & Line (H)
  • MAINS Trigger
  • Variable Hold Off
  • Built-in Component Tester / Comparator
Technical Specifications
VERTICAL DEFLECTION
Deflection Coefficient (CH1 & CH2) 1mV/div to 20V/div. 5mV/div to 20V/div in 12 calibrated steps in 1-2-5 sequence. x5 Magnification increases the sensitivity to 1mV/div & 2mV/div. (LED indicated).
Accuracy ±3%.
Bandwidth DC - 30MHz (-3dB), dc coupled.
10Hz -30MHz (-3dB), ac coupled.
Rise-Time 11.6 ns or less.
Display Modes CH1 only, CH1 & CH2 Alternate or Chop mode, Algebraic addition CH1 + CH2, Algebraic subtraction CH1 - CH2, CH2 Invert & X-Y.
Input Impedance 1 M ohms & 25 pF (approx).
Maximum Input Voltage 400 Volts (dc + peak ac).
Internal Trigger Signal CH1 or CH2 signal.
TIME BASE
Sweep Speed 18 calibrated steps.
0.5 µs/div to 0.2 s/div in 1, 2 & 5 sequence.
Sweep Magnifier x5 Magnification extends the sweep speed to 100 ns/div.
x5 Magnification indication with LED.
Accuracy ±3%.
Variable Uncalibrated continuously variable control between steps, extends fastest sweep speed to 40 ns/div (approx). (Uncal LED indication).
Hold-off Time 4:1 variable control.
TRIGGER SYSTEM
Triggering Mode Automatic or Normal with Level Control.
Source CH1 / CH2 / MAINS / EXT.
Slope Positive or Negative.
Coupling ac / dc / HF reject or TV Frame / TV Line.
Trigger Sensitivity  
Internal AUTO 1 div 30Hz - 30MHz
NORM 1 div 3Hz - 30MHz.
External AUTO 1V p-p 30Hz - 30MHz
NORM 1V p-p 3Hz - 20MHz.
(Typical 40MHz at 2 div).
HORIZONTAL DEFLECTION
Deflection Coefficient Same as CH2.
Bandwidth DC - 1MHz (-3dB).
Input Impedance 1M ohms and 25pF (approx).
COMPONENT TESTER/ COMPARATOR Dual Component Tester allows comparison of V- I characteristics of a Device - Under - Test (D.U.T.) and a sample Device.
Test Voltage 8.6V r.m.s.
Test Current 28 mA.
Test Frequency 50Hz or 60Hz.
GENERAL INFORMATION
Cathode Ray Tube 140mm Rectangular screen, Internal Graticule, 8 x 10 cm, P31 phosphor.
Accelerating potential : 2 kV.
Trace Rotation Front Panel control, allows ±5º of trace adjustment.
Z-Modulation 30Vp-p signal upto 1MHz modu-lates at normal intensity.
Calibrator Provides 0.2V ±2%, 1KHz square-wave output for probe compensation.
Power Requirement 230V AC ±10%, 47-65Hz, 40VA.
Dimensions 165 (H) x 340 (W) x 420 (D) mm.
Weight 7.5 Kgs. approx.
Accessories Instruction Manual, 2 Input BNC Leads.
Optional : High impedance switch probe with x1 or x10 attenuation (Model 306), Trolley.
Environmental Specifications Normal : 10ºC to 40ºC RH 85%.
Operational : 0ºC to 50ºC RH 85%.