Tektronix 2221A, User Manual

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Table A-4: Electrical Characteristics (Cont.)
Characteristics Performance Requirements
Midtrigger One-half of the waveform acquisition window is prior to the
trigger {other trigger points are selectable via the MENU).
Post Trigger One-eighth of the waveform acquisition window is prior to the
trigger (other trigger points are selectable via the MENU).
Point-Selectable Triggering PRETRIG1 MIDTRIG1 POST TRIG1
1 K Record Length 128 512 896
4 K Record Length 512 2048 3584
Horizontal Deflection System
NON-STORE Sweep Rates
Calibrated Range
0.5 sec per division to 0.05 us per division in a 1-2-5 se­
quence of 22 steps.5
STORE Mode Ranges
REPETITIVE 0.05 gs per division to 0.5 s per division,1*6
RECORD 1 gs per division to 50 ms per division.1 6
ROLUSCAN
0.1 s per division to 5 s per
d i v i s i o n . 1 ^
NON-STORE Accuracy Unmagnified Magnified
+ 15" C to +35° C
0.5 s per division
to 0.1 gs per division
±2% ±3%
0.05 |is per division ±2% +4%
0° C to +50° C
0.5 s per division
to 0.1 gs per division
±3%1 ±4%1
0.05 gs per division ±3%1 ifiy o 1
Sweep accuracy applies over the center eight divisions. Ex­
clude the first 40 ns of the sweep for magnified sweeps and
anything beyond the 100th magnified division.
Performance requirement not checked in manual
5The XI0 MAG control extends the maximum sweep speed to 5 ns per division.
6The 4k COMPRESS control multiplies the SEC/DIV setting by 4.
A-14
Appendices