Performance Characteristics
Table 5-1 (cont’d)
Characteristics
Performance Requirements
TRIGGER SYSTEM
Trigger Sensitivity
P-P AUTOATV LINE
and NORM Modes
5 MHz 50 MHz
Internal Signal 0.3 div.
1.0 div
External Signal
40 mV
200 mV
Lowest Usable
Frequency in P-P
AUTO Mode
^20-Hz 1.0-division internal signal
or 100-mV external signal will lock.
TV FIELD Mode
1.0 division of composite sync.
External Input
Resistance
1 MO ±10%.
Capacitance
25 pF ±2.5 pF.
Maximum Voltage 400 V (dc + peak ac) or 800 V ac
p-p at 10 kHz or less.
AC Coupled Lower Cutoff
Frequency
10 Hz or less at - 3 dB with internal
signal. 20 Hz or less at - 3 dB with
external signal.
Trigger Level Range
NORM MODE
Can be set to any point on the trace
that can be displayed.
EXT Source
At least + 1.2V, 2.4V p-p.
EXT/10 Source
At least ± 12V, 24V p-p.
Variable Holdoff Range
Can increase sweep holdoff time
by at least a factor of 8, with
SEC/DIV set to 1ms.
LF Reject Lower
3 dB Point
30 kHz ±25%.
HF Reject 3 dB Point
30 kHz ±25%.
2225 Operators REV MAY 1987
5-3
To Next Page
Loading...
Need help?
General
