Tektronix 2465B Service Manual

ACRONYM DICTIONARY
The following listing explains some of the less obvious acronyms and signal labels used on the schematics. Acronyms
and labels not shown in this listing may be included in the circuit descriptions (Section 3) and should be obvious if thought
is given to the intended circuit function.
+CH1 SIG—hCH4 SIG...positive preamp output signals
+ HORIZ SIG...positive horizontal output signal
+VERT SIG...positive vertical output signal
-CH1 SIG CH4 SIG...negative preamp output signals
-HORIZ SIG...negative horizontal output signal
-VERT SIG...negative vertical output signal
A SWP CLK...A sweep clock
A TIM REF...A timing reference
A TRIG CLK...A trigger clock
A TRIG LVL...A trigger level
A0—A15...address bits 0—15
AHO...A holdoff
ATTN CLK...attenuator clock
ATTN STRB...attenuator strobe
B SWP CLK...B sweep clock
B TIM REF...B timing reference
B TRIG CLK...B trigger clock
B TRIG LVL...B trigger level
B1—B12...DAC input bits 1—12
BD0—BD7...buffered data bits 0—7
BDCA...bypass delay comparator A
BDCB...bypass delay comparator B
BDTL...B delayed trigger level selector
BHO...B holdoff
BWLB...bandwidth limited B signal
BYP...bypass
CA0—CA6...character address bits 0—7
CD1—CD6...character data bits 1—7
CH1 OVL...channel 1 overload
CH1 PA CLK...CH1 preamp clock
CH1 POS...channel 1 position
CH1 PRB...channel 1 probe
CH1 TRIG PICKOFF...channel 1 trigger pickoff
CH1 VAR... channel 1 variable
CH2 APO+...channel 2 auxiliary pickoff, noninverting
CH2 OVL...channel 2 overload
CH2 PA CLK...channel 2 preamp clock
CH2 POS...channel 2 position
CH2 PRB...channel 2 probe
CH2 TRIG PICKOFF...channel 2 trigger pickoff
CH2 VAR...channel 2 variable
CH3 PRB...channel 3 probe
CH3 TRIG PICKOFF...channel 3 trigger pickoff
CH4 POS...channel 4 position
CH4 PRB...channel 4 probe
CH4 TRIG PICKOFF...channel 4 trigger pickoff
CLK...clock
CNTR RESET...counter reset
COL 0—COL 4...column 0—column 4...switch matrix columns 0—'
CONT DATA...control data
CTC...capacitor, timing compensation
DO—D7...data bits 0—7
DAC LSB CLK...DAC least significant data bits clock
DAC MSB CLK...DAC most significant data bits clock
DAC MUX1 IN...DAC multiplexer 1 input
DAC MUXO INH...DAC multiplexer 0 inhibit
DAC MUX1 INH...DAC multiplexer 1 inhibit
DAC MUX2 INH...DAC multiplexer 2 inhibit
DAC MUX1 A0...DAC multiplexer 1, address bit 0
DAC MUX1 A1...DAC multiplexer 1, address bit 1
DAC MUX1 A2...DAC multiplexer 1, address bit 2
DAC MUX1 IN...DAC multiplexer 1 input
DDO—DD7...dot data bits 0—7
Dl...display intensity
DIR...display intensity revised
DISP SEQ CLK...display sequencer clock
DLY A...delay A
DLY B...delay B
DLY REF 0...delay reference 0
DLY REF 1...delay reference 1
DOTOK...dot ok
FB...feedback
HORIZ OUT...channel 1 output to horizontal in X-Y
HORIZ POS...horizontal position
HORIZ VAR...horizontal variable
LED CLK...LED clock
LED DATA...front panel LED data
LINE TRIG...60 Hz line trigger
LINE UP...ac power is above minimum
MR...memory ready
PORT1 CLK...port 1 clock
PORT2 CLK...port 2 clock
PORT3 INH...port 3 inhibit
PWR DOWN...power down
PWR UP...power up
QP1 +...quad pole 1 plus
QP2 + ...quad pole 2 plus
R/W ...read/write
R/W^ DLY'D...read/write delayed
R/W DLYD...read/write delayed
READOUT HORIZ OUT...readout horizontal output
READOUT VERT OUT...readout vertical output
2465B/2467B Service
RO DO...readout data out
ROI...readout intensity
ROIR...readout intensity revised
ROSFRAME...readout subframe
ROW 0—ROW 9...switch matrix rows 0—9
SEC/DIV VAR...SEC/DIV variable
SSA...A selected signal source
TRACE SEP...trace separation
TRIG LED...trigger LED
TRIG LEVEL...trigger level
TRIG STAT STRB...trigger status strobe
TS1+TS2...trace separation 1 and 2
TSO...trigger status output
TXY...triggered X-Y
VAR OCT...variable octopole (geometry)
VMA...valid memory address
VQ OUT...variable quadrapole output
VZ OUT...variable Z-axis output
A AUXTRIG ...A auxiliary trigger
B AUXTRIG ...B auxiliary trigger
BWL ...bandwidth limit
OS ...delay select
E ...enable
HSA ...horizontal select A
HSB ...horizontal select B
MAG ...magnify
RDA ...reset delay adjust
ROA ...readout acknowledge
ROB ...readout blank
ROR ...readout request
ROS 1 ...readout strobe 1
ROS2 ...readout strobe 2
SGAZ ...sweep gate A to Z axis
SGA ...sweep gate A
SGBZ ...sweep gate B to Z axis
SGB ...sweep gate B
TSA ...trigger status A
TSB ...trigger status B
VS"T— VS4 ...vertical selects 1—4
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Tektronix 2465B Specifications

General

Brand	Tektronix
Model	2465B
Category	Test Equipment
Language	English