Specifications
1–4
THS710A, THS720A, THS730A & THS720P Service Manual
Table 1–1: Oscilloscope specifications (Cont.)
Internal Trigger
igg
n
itivit
,
Coupling Sensitivity
E
g
igg
,
NOISE REJ 3.5 times the DC-coupled limits
t
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
ignal
o
at
an
Field Rates, Video
Broadcast systems Supports NTSC, PAL, and
SECAM
igg
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
