CRT
Type: 6-inch rectangular with integral graticule,
P31 phosphor.
Display Area: 8 x 10 div (1 div = 1 cm).
Accelerating Voltage: 12 kV.
Phosphor: P31.
Trace Rotation: Electrical, front panel adjustable.
Scale Illumination: Continuously variable (Model 2160A).
Beam Finder (Model 2160A).
VERTICAL AMPLIFIERS (CH 1 and CH 2)
Sensitivity: 5 mV/div to 5 V/div, 1 mv/div to 1 V/div at
X5 MAG.
Attenuator: 10 calibrated steps in 1-2-5 sequence. Vernier
control provides fully adjustable sensitivity between
steps; range 1/1 to at least 1/3.
Accuracy: ±3%, 5 mV to 5 V/div; 5%, at X5 MAG.
Input Resistance: 1 MΩ ±2%.
Input Capacitance: 25 pF ±10 pF.
Frequency Response:
5 mV/div to 5 V/div:
DC to 60 MHz (−3 dB), Model 2160A
DC to 40 MHz (−3 dB), Model 1541D.
X5 MAG:
DC to 15 MHz (−3 dB), Model 2160A
DC to 10 MHz (−3 dB), Model 1541D.
Rise Time:
5.8 nS, Model 2160A
8.8 nS, Model 1541D.
Overshoot: Less than 5%.
Operating Modes:
CH 1:
CH 1, single trace.
CH 2:
CH 2, single trace.
DUAL:
CH 1 and CH 2, dual trace.
Alternate or Chop selectable at
any sweep rate.
ADD:
Algebraic sum of CH 1 + CH 2.
Chop Frequency: Approximately 500 kHz.
Polarity Reversal: CH 2 invert.
Maximum Input Voltage: 400 V (dc + ac peak).
SPECIFICATIONS
HORIZONTAL AMPLIFIER
(Input through channel 1 input)
X−Y mode:
CH 1 = X axis.
CH 2 = Y axis.
Sensitivity: Same as vertical channel 2.
Input Impedance: Same as vertical channel 2.
Frequency Response:
DC to 1 MHz (−3 dB).
X-Y Phase Difference: 3° or less at 50 kHz.
Maximum Input Voltage: Same as vertical channel 1.
SWEEP SYSTEM
Operating Modes:
Model 2160A: Main, Mix (both main and delayed
sweep displayed), Delay (only delayed sweep
displayed), X−Y.
Model 1541D: Main only.
Main Time Base: 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.
Delayed Time Base (Model 2160A only): 0.1 µS/div to
2.0 S/div in 1-2-5 sequence, 23 steps.
Accuracy: ±3%.
Sweep Magnification: X10 ±10%.
Holdoff: Continuously adjustable for main time base from
NORM to 5 times normal.
Delay Time Position: Control sets percentage of display
that is devoted to main and delayed sweep.
Delay Jitter: 1/10,000 of full scale sweep time.
TRIGGERING
Trigger Modes:
AUTO (free run), NORM, TV-V, TV-H.
Trigger Source:
CH 1, CH 2, Alternate, EXT, LINE.
Slope:
(+) or (–).
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