Tektronix 2212 Service Manual

Digital Circuitry
Table 3-2: Readout Control Table
RC7 RC6 RCS RC4 RC3 RC2 RC1 RCO Hex Display Function
Value
0
0
0 1 0 0 1 0 12 screen based voltage cursor1, burst mode
0 0 0 1 0 0 1 1
13 screen based voltage cursor 2, burst mode
0 0 0
1
1 0 1 0
1a
screen based voltage cursor1, chop mode
0
0
0 1
1
0 1
1
1b screen based voltage cursor 2, chop mode
0
0
1
0
0 0
0
0
20 screen based time cursor1 , burst mode (blanked)
0 0 1
0
0 0
1
0
22 screen based time cursor1 , burst mode
0 0 1 0 0 0 1 1 23 screen based time cursor 2, burst mode
0
0
1
0
1 0 1 0 2a screen based time cursor1 , chop mode
0
0
1
0
1 0 1 1
2b screen based time cursor 2, chop mode
0 0
1
1
0
0 0 0 30
burst mode blanked readout (blanked)
0
0
1
1
0 0
1
0
32 burst mode readout
0
0
1 1 0 1 0 0 34
burst mode readout XY waveform display
0 0 1 1
0
1 1 0 36
burst mode readout XY reference display
0 0 1
1
1 0
0
0
38 chop mode readout slow chop rate
0 0
1
1
1
0 0
1
39 chop mode readout almost slow chop rate
0 0 1
1
1
0 1 0 3A chop mode readout almost fast chop rate
0 0 1 1 1 0 1
1 38 chop mode readout fast chop rate
1
0
0
0
0 0
0 0 80
waveform based time cursor
1 0
0 0 1 0
0
0
88
long trigger point channel 1 refer. waveform
1
0
0
1
1 0
0 0
98 long trigger point channel 1 stored waveform
1
0
1
0 1 0 0 0
A8
long trigger point channel 2 refer. waveform
1 0
1 1
1
0 0 0
88
long trigger point channel 2 stored waveform
1 1
0 0 0 0 0 0
co
channel 1 reference waveform blanked (unmagnified)
1
1
0
0
0
0 1 1
c3 channel 1 reference waveform (x50 magnified)
1 1
0 0 0 1
0 0 c4
channel 1 reference waveform (not magnified)
1
1
0
0
1 1
0
1
cd
channel 1 reference waveform (x1 O magnified)
1
1
0
1
0 0
0 0
dO channel 1 stored waveform blanked (unmagnified)
1
1
0
1
0 0
1 1 d3
channel 1 stored waveform (x50 magnified)
1
1
0
1
0 1
0 0
d4
channel 1 stored waveform (not magnified)
1
1
0
1
1 1
0 1
dd
channel 1 stored waveform (x10 magnified)
1
1
1 0 0 0
0 0
eO
channel 2 reference waveform blanked (unmagnified)
1 1 1
0 0 0
1 1
e3
channel 2 reference waveform (x50 magnified)
1
1
1
0
0
1
0 0
e4
channel 2 reference waveform (not magnified)
1
1
1
0
1
1
0
1
ed
channel 2 reference waveform (x10 magnified)
1
1
1 1 0 0
0 0
to
channel 2 stored waveform blanked (unmagnified)
1
1
1 1 0 0
1 1
f3
channel 2 stored waveform (x50 magnified)
1
1
1
1
0
1 0 0
f4
channel 2 stored waveform (not magnified)
1
1
1 1 1
1 0 1
fd
channel 2 stored waveform (x10 magnified)
3- 24
Theory of Operation

Tektronix 2212 Specifications

General

Brand	Tektronix
Model	2212
Category	Test Equipment
Language	English