Specifications

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84
Three Year Warranty
Accessories
SUPPLIED: Instruction Manual, Two PR 33A x1/x10 Probes or equivalent,
AC Power Cord, Spare Fuse
OPTIONAL: PR 32A Demodulator Probe, PR 37AG x1/x10/REF. Probe, PR 100A x100
Probe, PR-55 High Voltage x1000 Probe, LC 210A Carrying Case
VERTICAL AMPLIFIERS (CH 1 and CH 2)
S
ensitivity 5 mV/div to 5 V/div, 1 mV/div to 1 V/div at x5
A
ttenuator 10 steps in 1-2-5 sequence. Vernier control provides full
adjustment between steps
Accuracy ±3%, ±5% at x5
Input Resistance 1 MΩ +2%
Input Capacitance 25 pF ±10pF
Frequency Response 5 mV to 5 V/div: DC to 30 MHz (-3dB)
X5: DC to 10 MHz (-3dB)
Rise Time 12ns (Overshoot <5%)
Operating Modes CH 1: CH 1, single trace
CH 2 CH 2, single trace
ALT dual trace, alternating
CHOP dual trace, chopped
ADD algebraic sum of CH 1 + CH 2
Polarity Reversal CH 2 only
Max. Input Voltage 400 V (DC to AC peak)
SWEEP SYSTEM
Operating Modes Main, mix (both main sweep and delay sweep displayed),
or Delay (only delay sweep displayed), X-Y
Main Sweep SpeeD 0.1 µs/div to 2.0 s/div in 1-2-5 sequence, 23 steps
Vernier control provides fully adjustable sweep time
between steps
Accuracy ±3%
Sweep Magnification 10X, ±5%
Delayed Sweep Speed 0.1 ms/div to 0.1s/div in 1-2-5 sequence, 23 steps
Holdoff Continuously variable for Main sweep up to
10 times normal
Delay Time Position Continuously variable to control percentage of display
that is devoted to main and delay sweep
TRIGGERING
Triggering Modes AUTO (free run) or NORM, TV-V, TV-H
Trigger Source CH 1, CH 2, ALT, EXT, LINE
Maximum External
Trigger Voltage 300 V (DC + AC peak)
Trigger Coupling AC 30 Hz to 30 MHz
TV H Used for triggering from horizontal sync pulses
TV V Used for triggering from vertical sync pulses
TRIGGER SENSITIVITY
Coupling Bandwidth Int Ext
Auto 100Hz - 40MHz 1.5 div ≥ 0.1Vp-p
Norm 100Hz - 40MHz 1.5 div. ≥ 0.1Vp-p
TV-V DC -1kHz 0.5 div ≥ 0.05Vp-p
TV-H 1 kHz - 100kHz 0.5 div ≥ 0.05Vp-p
HORIZONTAL AMPLIFIER (Input through channel 1 input)
X-Y Mode Switch selectable using X-Y switch. CH 1: X axis
CH 2: Y axis
Sensitivity Same as vertical channel 2
Accuracy Y-Axis: ±3%. X-Axis: ±6%
Input Impedance ame as vertical channel 2
Frequency Response DC to 1MHz typical (-3 dB), to 6 div horizontal
deflection
X-Y Phase Difference 3˚ or less at 50 kHz
Max. Input Voltage Same as vertical channel 2
CRT
Type Rectangular with internal graticule
Display Area 8 x 10 div (1 div = 1 cm)
Accelerating Voltage 2 kV
Phosphor P31
Trace Rotation Electrical, front panel adjustable
COMPONENT TESTER
Components Tested Resistors, Capacitors, Inductors, and Semiconductors
Test Voltage 6 V rms maximum (open)
Test Current 11 mA maximum (shorted)
Test Frequency Line Frequency (60 Hz in USA)
Calibrating Voltage 1 kHz (±10%) Positive Square Wave, 0.2 V p-p (±2%)
Within Specified Accuracy 50˚ to 95˚F (10˚ to 35˚C), ≤ 85% RH
Full Operation 32˚ to 104˚ F (0˚ to 40˚C), ≤ 85% RH
Storage -4˚ to 158˚ F (-20˚ to +70˚C)
Power Requirements Approximately 40 W
All other operating specifications are the same as model 2120A
Dimensions (WxHxD) 7 x 14 .5 x 14.25" (180 x 370 x 440 mm)
Weight 17.2 lbs (7.8 kg)
Other Specifications
Specifications
model
2125A
■ Delayed sweep in 23 steps
■ Built-in component tester for capacitors,
inductors, diodes, transistors, zener diodes
■ 23 step time base to 0.1ms/div
■ Deluxe handle/tilt stand
Model 2125A
30 MHz
Analog Oscilloscope