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CRT
Acceleration Voltage
Display Area
Type
VERTICAL AXIS
Sensitivity
Attenuator
Input Impedance
Frequency Response
5 mV/div to 5 V/div
1 mV/div, 2 mV/div
Rise Time
Crosstalk
Operating Modes
Chop Frequency
Channel Polarity
A Maximum Input
voltage
HORIZONTAL AXIS
Operating Mode
Sensitivity
Input Impedance
Frequency
Response
X-Y Phase Difference
A Maximum Input
Voltage
SWEEP
Type
NORM
AUTO
SPECIFICATIONS
: 1500TM31
> 6 kV
- 8x10 div (1 div=10 mm)
: Rectangular, with internal graticule
: CH1 and CH2
: 1 mV/div to 5 Vidiv, +3%
: 12 steps,
1 mV/div to 5 V/div in
1-2-5 sequence.
Vernier control for fully adjustable
sensitivity between steps.
> 1 MQ +2%, approx. 22pF
- DC: DC to 20 MHz,
—3 dB
AC; 5 Hz to 20 MHz,
—3 dB
: DC: DC to 10 MHz,
—3 dB
AC; 5 Hz to 10 MHz,
—3 dB
: 17.5 nsec or less (20 MHz)
35 nsec or less (10 MHz)
: —40 dB minimum
: CH1;
single trace
CH2;
single trace
ALT;
two waveforms alter-
nating
CHOP;
two waveforms
chopped
ADD;
CH1+CH2
added
display
: Approx. 250 kHz
: Normal or inverted, Channel 2 on-
ly inverted
: 500 Vp-p or 250 V (DC + AC peak)
: {input thru CH2, x 10 MAG not
included)
: With TRIG MODE switch, X-Y
operation is selectable.
CH1; Y axis
CH2; X axis
: Same as vertical axis (CH2)
: Same as vertical axis (CH2)
: DC; DC to 500 kHz, —3 dB
AC; 5 Hz to 500 kHz, —3 dB
: 3° or less at 50 kHz
: Same as vertical axis (CH2)
: Triggering sweep
: Sweep free runs in absence of
trigger
Sweep Time
: 0.2 ys/div to 0.5 s/div +3%, in 20
ranges, in 1-2-5 sequence.
Vernier control provides fully ad-
justable sweep time between steps.
: X10 (ten times) +5%
(0.2 us/div range; +8%)
Sweep Magnification
Linearity
: +3% all ranges,
+5% on 0.2 us/div range at x 10
magnification.
TRIGGERING
Internal Sync
V. MODE;
Triggered by input signal selected
by vertical MODE setting.
CH1;
Triggered by CH1 signal
CH2;
Triggered by CH2 signal
LINE;
Triggered by line frequency
External Sync
.
EXT;
Trigeered by signal applied to EXT
TRIG INPUT jack
External sync Input
impedance
: approx.
1 MQ +20%
approx. 30pF
Maximum External
Trigger Voltage
Coupling
Tigger Sensitivity
rea
ance [ne [et
auto | Sone — 20 MHz | av | 0.1 Vp
PNORM | 10 Hato 20 Mitz | t'dlv | 0.1 Vorp_
PROBE ADJ,
VOLTAGE
: 50 V (DC +AC
peak)
: AC, TV FRAME, TV LINE
:1V
+3%,
square
wave,
positive
polarity, approx. 1 kHz
INTENSITY MODULATION
Sensitivity
: TTL compatible
Positive voltage decreases
brightness.
Negative voltage increases
brightness.
Input Impedance
: Approx. 10 kQ
Usable Frequency
Range
: DC to 2 MHz
Maximum Input
Voltage
: 50 V (DC +AC peak)
VERTICAL AXIS SIGNAL OUTPUT:
(CH1 SIGNAL OUTPUT)
Output Voltage
: Approx. 50mV/div (50 © load)
Output Impedance
: Approx. 50 Q
Frequency Response
: 100 Hz to 20 MHz,
—3 dB
TRACE ROTATION ~ : Electrical,
adjustable
from _ front
panel
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