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Specifications
1–4
THS710A, THS720A, THS730A & THS720P Service Manual
Table 1–1: Oscilloscope specifications (Cont.)
Internal Trigger
Tr
igg
er
Se
n
s
itivit
y
,
d e Tr er Type
Coupling Sensitivity
E
d
g
e
Tr
igg
er
Type
,
yp
NOISE REJ 3.5 times the DC-coupled limits
t
yp
ical
HF REJ
1.5 times the DC-coupled limit
from DC to 30 kHz, attenuates
signals above 30 kHz
LF REJ 1.5 times the DC-coupled limits
for frequencies above 1 kHz,
attenuates signals below 1 kHz
Trigger Level Range ±4 divisions from center of screen
Motor Trigger Level
Range (THS720P)
0.1 to 5 divisions from center screen, polarity depends on slope
selection
Trigger Level
Accuracy, typical
±0.2 divisions, for signals having rise and fall times ≥20 ns
SET LEVEL TO 50%,
typical
Operates with input signals ≥50 Hz
Width Range, Pulse
Trigger Type, typical
99 ns to 1 s, with resolution of 33 ns or approximately 1% of setting
(whichever is greater)
Width Tolerance
Range, Pulse Trigger
Type, typical
5%, 10%, 15%, or 20%
Sensitivity, Video
Trigger Type, typical
Composite video signal with negative sync pulse amplitude from 0.6
to 2.5 divisions
S
ignal
F
o
rm
at
s
an
d
Field Rates, Video
Tr er Type
Broadcast systems Supports NTSC, PAL, and
SECAM
Tr
igg
er
Type
Interlaced Trigger on selected line of odd
field, selected line of even field, or
any line
Non-interlaced Trigger on selected line or any line
Line Rates 15 kHz to 65 kHz, in five ranges
Holdoff Range 495 ns to 10 s
External Trigger
External Trigger, Max-
imum Input Voltage
600 V
RMS
CAT II or 300 V
RMS
CAT III (refer to page 1–13)
External Trigger
Coupling
DC only
External Trigger
Levels
+0.2 V or +2 V, selectable
External Trigger
Sensitivity
500 mV
p-p
from DC to 1 MHz, increasing to 1 V
p-p
at 5 MHz, with
signal centered at selected trigger level