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 erType
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 erType
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 VRMS CAT II or 300 VRMS 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 mVp-p from DC to 1 MHz, increasing to 1 Vp-p at 5 MHz, with
signal centered at selected trigger level