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Specifications |
model 2125A |
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VERTICAL AMPLIFIERS (CH 1 and CH 2) |
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Sensitivity |
5 mV/div to 5 V/div, 1 mV/div to 1 V/div at x5 |
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Attenuator |
10 steps in 1-2-5 sequence. Vernier control provides full adjustment between steps |
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Accuracy |
+-3%, +-5% at x5 |
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Input Resistance |
1 M
 + 2% |
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Input Capacitance |
25 pF +- 10pF |
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Frequency Response |
5 mV to 5V/div: DC to 30 MHz (-3 dB)
X5: DC to 10 MHz (-3 dB) |
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Rise Time |
12 ns (Overshoot <= 5%) |
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Operating Modes |
CH 1: CH 1, single trace |
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CH 2 |
CH 2, single trace |
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ALT |
dual trace, alternating |
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CHOP |
dual trace, chopped |
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ADD |
algebraic sum of CH 1 + CH 2 |
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Polarity Reversal |
CH 2 only |
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Max. Input Voltage |
400 V (DC to AC peak) |
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SWEEP SYSTEM |
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Operating Modes |
Main, mix (both main sweep and delay sweep displayed), or Delay (only delay sweep displayed), X-Y |
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Main Sweep SpeeD |
0.1 us/div to 2.0 s/div in 1-2-5 sequence, 23 steps Vernier control provides fully adjustable sweep time between steps |
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Accuracy |
+-3% |
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Sweep Magnification |
10X, +-5% |
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Delayed Sweep Speed |
0.1 ms/div to 0.1 s/div in 1-2-5 sequence, 23 steps |
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Holdoff |
Continuously variable for Main sweep up to 10 times normal |
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Delay Time Position |
Continuously variable to control percentage of display that is devoted to main and delay sweep |
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TRIGGERING |
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Triggering Modes |
AUTO (free run) or NORM, TV-V, TV-H |
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Trigger Source |
CH 1, CH 2, ALT, EXT, LINE |
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Maximum External Trigger Voltage |
300 V (DC + AC peak) |
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Trigger Coupling |
AC 30 Hz to 30 MHz |
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TV H Used for triggering from horizontal syns pulses |
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TV H Used for triggering from vertical syns pulses |
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TRIGGER SENSITIVITY |
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Coupling |
Bandwidth |
Int |
Ext |
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Auto |
100Hz - 40MHz |
1.5 div. |
>=0.1Vp-p |
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Norm |
100 Hz - 40 MHz |
1.5 div. |
>=0.1Vp-p |
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TV-V |
DC - 1kHz |
0.5 div |
>= 0.05Vp-p |
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TV-H |
1 kHz - 100 kHz |
0.5 div |
>= 0.05 Vp-p |
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HORIZONTAL AMPLIFIER (Input through channel 1 input) |
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X-Y Mode |
Switch selectable using X-Y switch, CH 1: X axis CH 2: Y axis |
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Sensitivity |
Same as vertical channel 2 |
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Accuracy |
Y-Axis: +-3%. X-Axis: +-6% |
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Input Impedance |
same as vertical channel 2 |
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Frequency Response |
DC to 1 MHz typical (-3 dB), to 6 div horizontal deflection |
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X-Y Phase Difference |
3 0 or less at 50 kHz |
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Max. Input Voltage |
Same as vertical channel 2 |
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CRT |
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Type |
Rectangular with internal graticule |
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Display Area |
8 x 10 div (1 div = 1 cm) |
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Accelerating Voltage |
2 kV |
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Phosphor |
P31 |
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Trace Rotation |
Electrical, front panel adjustable |
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COMPONENT TESTER |
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Components Tested |
Resistors, Capacitors, Inductors, and Semiconductors |
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Test Voltage |
6V rms maximum (open) |
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Test Current |
11 mA maximum (shorted) |
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Test Frequency |
Line Frequency (60Hz in USA) |
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Calibrating Voltage |
1 kHz (+-10%) Positive Square Wave, 0.2 V p-p (+-2%) |
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Other Specifications |
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Within Specified Accuracy |
50 0 to 95 0 F (10 0 to 35 0 C), <= 85% RH |
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Full Operation |
32 0 to 104 0 F (0 0 to 40 0 C), <= 85% RH |
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Storage |
-4 0 to 158 0 F (-20 0 to +70 0 C) |
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Power Requirements |
Approximately 40 W |
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All other operating specifications are the same as model 2120A |
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Dimensions (WxHxD) |
7x14.5x14.25'' (180x370x440 mm) |
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Weight |
Approximately 17.2 lbs. (7.8 kg) |
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Three Year Warranty |
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Accessories |
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SUPPLIED: Instruction Manual, Two PR-33A x1/x10 Probes or equivalent, AC Power Cord, Spare Fuse
OPTIONAL: PR-32A Demodulator Probe, PR-37A x1/x10/REE Probe, LC-210A Carrying Case |
