|
Specifications |
Model 2121 |
|
VERTICAL AMPLIFIERS (CH 1 and CH 2) |
|
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 MΩ +- 2% |
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Input Capacitance |
25 pF +- 10pF |
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Frequency Response |
5 mV to 5 V/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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Maximum Input Voltage |
400 V (DC + AC peak) |
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SWEEP SYSTEM |
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Sweep Speed |
0.1 us/div to 2s/div in 1-2-5 sequence, 23 steps. Vernier control provides fully adjustable sweep time between steps. |
|
Accuracy |
+-3% |
|
Sweep Magnification |
10x |
|
TRIGGERING |
|
Triggering Modes |
AUTO (free run) or NORM, TV-V, TV-H |
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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 |
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TRIGGER SENSITIVITY |
|
Coupling |
Bandwidth |
Int |
Ext |
|
Auto |
100 Hz - 30 MHz |
1.5 div. |
100 mV |
|
Norm |
DC to 30 MHz |
1.5 div |
100 mV |
|
TV V |
20 Hz-1 kHz |
5 div |
100 mV |
|
TV H |
1 kHz-100 kHz |
.5 div |
100 mV |
|
|
HORIZONTAL AMPLIFIER (Input through channel 2 input) |
|
X-Y Mode |
Switch selectable using X-Y switch. CH 1: X axis |
|
CH 2 |
Y axis |
|
Sensitivity |
Same as vertical channel 1 |
|
Input Impedance |
Same as vertical channel 1 |
|
Frequency Response |
DC to 1 MHz typical (-3 dB) |
|
X-Y Phase Difference |
Approximately 3'' at 50 kHz |
|
Maximum Input Voltage |
Same as vertical channel 1 |
|
CRT |
|
Type |
Rectangular with internal graticule |
|
Display Area |
8x10 div (1 div = 1 cm) |
|
Accelerating Voltage |
2 kV |
|
Phosphor |
P31 |
|
Trace Rotation |
Electrical, front panel adjustable |
|
Display Resolution |
Auto select from 0.001Hz to 1KHz depending on the frequency |
|
Max Counter Range |
0.1Hz to 50MHz |
|
Max External Voltage |
300V dc + ac peak |
|
Accuracy |
+0.01% + 1 digit or 1/99999 + 1 digit |
|
Time Base |
18,432MHz + 10ppm (230 C +/- 50 C) |
|
Sensitivity |
Electrical, front panel adjustable |
|
Sensitivity |
Note:
The counter n=must be set at "DC COUPLING" operation then the input signal is less than 10Hz
The counter is operated by the "Trigger Source" CH1, CH2, or EXT.
|
Mode |
Range |
Sensitivity |
|
INT |
2Hz ~ 40MHz |
>= 1 Div |
|
1Hz ~ 45MHz |
>= 2 Div |
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0.2Hz ~ 50MHz |
>= 3 Div |
|
EXT |
10Hz ~ 50MHz |
>= 200m Vrms |
|
1Hz ~ 50MHz |
>= 400m Vrms |
|
|
|
|
Other Specifications |
|
Calibrating Voltage |
1 kHz (+-10%) Positive Square Wave, 2 V p-p (+-3%) |
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ENVIRONMENT |
|
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 |
|
Storage |
-4 0 to 158 0 F (-20 0 to +70 0 C) |
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Power Requirements |
100/120/220/240 VAC +- 10%, 50/60 Hz, approximately 40 W. |
|
Dimensions (WxHxD) |
7x14.5x17.25'' (180 x 370 x 440 mm) |
|
Weight |
Approximately 17.2 lbs. (7.8 kg) |
|
Two 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-37A x1/x10/REE Probe, PR-100A x 100 Probe, PR-55 High Voltage x1000 Probe, LC-210A Carrying Case |
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