30MHz DUAL TRACE OSCILLOSCOPE WITH SWEEP DELAY   Model 3330

Features
  • Built-in Component Tester/Comparator
  • Tripple Output DC Power Supply ±12V @ 0.2 Amp,
    5V @ 1 Amp.
  • 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
  • Sweep Delay 0.1µs/div to 0.1s/div
  • Z Modulation
  • 8 x 10 cm. Display
  • TV Triggering Frame (V) & Line (H)
  • MAINS Trigger
  • Variable Hold Off
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 11.6ns 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 1M ohms & 25pF (approx).
Maximum Input Voltage 400 Volts (dc + peak ac).
Internal Trigger Signal CH1 or CH2.
TIME BASE
Sweep Speed 18 calibrated steps. 0.5µs/div to 0.2s/div in 1, 2 & 5 sequence.
Sweep Magnifier x5 Magnification extends the sweep speed to 100ns/div. x5 Magnification indication with LED.
Accuracy ±3%.
Variable Uncalibrated continuously variable control between steps, extends fastest sweep speed to 40ns/div (approx). (Uncal LED indication).
Sweep Delay 7 decade steps : 0.1µs to 100ms with variable fine control (approx 10:1) extends the sweep delay to 1 sec.
Modes Search, Delay with LED indication.
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 1Vp-p 30Hz - 30MHz
Norm 1Vp-p 3Hz - 30MHz
(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 compa-rision 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 28mA max.
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 30V p-p signal upto 1MHz modulates at normal intensity.
Calibrator Provides 0.2V ±2%, 1KHz approx. square-wave output for probe compensation.
Power Requirement 230V ±10%, 47-65Hz, 40VA (max.).
Dimensions 165 (H) x 340 (W) x 420 (D) mm (approx.).
Weight 8.5 kgs. approx.
Standard Accessories Standard : Instruction Manual, 2 Input BNC leads, Component tester leads.
Optional Accessories High impedance switch probe with x1 or x10 attenuation (Model 306).
Environmental Specifications Normal : 10ºC to 40ºC RH 85%.
Operational : 0ºC to 50ºC RH 85%.