Specifications
1–6
TDS3000 Series Service Manual
Table 1–1: Specifications (cont.)
Trigger
Edg
t
igg
Any channel, NOISE REJ coupled 3.5 times the DC-coupled limits
n
itivity, ty
ical
Any channel, HF REJ coupled 1.5 times the DC-coupled limit
from DC to 30 kHz, attenuates
signals above 30 kHz
Any channel, LF REJ coupled 1.5 times the DC-coupled limits
for frequencies above 80 kHz,
attenuates signals below 80 kHz
igg
l
v
l
ang
Source Sensitivity
Any channel ±8 divisions from center of
screen, ±8 divisions from 0 V if LF
REJ trigger coupled
External external ±800 mV
External/10 trigger ±8 V
Line Fixed at the midlevel of the AC
line
SET LEVEL TO 50%,
typical
Operates with input signals ≥45 Hz
igg
l
v
l accu
Source Sensitivity
acy, ty
ical
Any channel ±0.2 divisions
External trigger ±20 mV
External/10 trigger ±200 mV
Line N/A
Trigger holdoff range 250.8 ns to 10 s
Vid
o t
igg
n
itiv
Triggers on negative sync of NTSC, PAL, or SECAM signal
ity, ty
ical
Source
Sensitivity
Any channel 0.6 to 2.5 divisions of video sync
tip
External trigger 150 mV to 625 mV of video sync
tip
External/10 trigger 1.5 V to 6.25 V of video sync tip
B Trigger Trigger After Time Trigger After B Events
Range 13.2 ns to 50 s 1 event to 9,999,999 events
Minimum time
between arm and
trigger, typical
5ns from the end of the time
period and the B trigger event
5 ns between the A trigger event
and the first B trigger event
Minimum Pulse
Width, typical
— B event width, 2 ns
Maximum Fre-
quency, typical
— B event frequency, 250 MHz
