Tektronix 2445, Инструкция по эксплуатации

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2445 Service
ACRONYM DICTIONARY
The following listing explains some of the less obvious
acronyms and signal labels used on this schematic.
Acronyms and labels not shown in this listing may be
included in the circuit descriptions {Section 3) and should
be obvious if a little thought is given to the intended circuit
function.
ACA . . . A low-pass capacitor
ACB . . . B low-pass capacitor
AHO . . . A holdoff
A TIM REF . . . A tim ing reference
B TIM REF . . . B tim ing reference
BDC . . . bypass delay comparator
BOCA . . . bypass delay comparator A
BDCB . . . bypass delay comparator B
BWLB . . . bandwidth limited B signal
CAL . . . calibrator
CAL OUT . . . calibrator out
CC . . . control clock
CCA . . . control clock A
CCB . . . control clock B
CD . . . control data
CHN5A . . . CH5 (for A trigger)
CHN5B . . . CH5 (for B trigger)
CONT D ATA . . . control data
CT . . . calibrator timing out
CTC . . . capacitor, timing compensation
CTO . . . timing capacitor 0
CT2 . . . tim ing capacitor 2
DG . . . delay gate
DGB . . . delay gate bypass
Dl . . . display intensity
DOR . . . delay offset reference
DR . . . delay reference
DS . . . delay select
HRR . . . holdoff ramp reset
HSA . . . horizontal select A
HSB . . . horizontal select B
I REF . . . current reference
IT . . . timing current
ITF . . . tim ing current feedback
ITR . . . tim ing current reference
ITREF . . . tim ing current reference
ITRR . . . timing current reference return
IZD . . . inhibit zero delay
RDA . . . reset delay adjust
ROA . . . readout acknowledge
ROB .. . readout blank
ROI . . . readout intensity
RO ON . . . readout on
ROR . . . readout request
SDO . . . sweep delay offset
SG . . . sweep gate
SGA . . . sweep gate A
SGAZ . . . sweep gate A to Z axis
SGB . . . sweep gate B
SGBZ . . . sweep gate B to Z axis
SROA . . . A trigger source select 0
SRI A . . . A trigger source select 1
SR2A . . . A trigger source select 2
SROB . . . B trigger source select 0
SR1B . . . B trigger source select 1
SR2B . . . B trigger source select 2
SSA . . . A selected signal source
SSB . . . B selected signal source
SSR . . . sweep start reference
STBA . . . A compare strobe
STBB . . . B compare strobe
TC . . . tim ing clock
TCS . . . tim ing capacitor select
T G A . . . A trigger
TGA . . . inverted A trigger
TGB . . . B trigger
TGB . . . inverted B trigger
THO . . . trigger holdoff
THOA . . . trigger holdoff A
THOB . . . trigger holdoff B
T L A . . . trigger level A
TLB . . . trigger level B
TRIG STAT STRB . . . trigger status strobe
TSA . . . trigger status A
TSB . . . trigger status B
TS IN . . . trace separation input
TSO . . . trigger status output
TSS . . . trigger status strobe
TS1 . . . trace separation voltage 1
TS2 . . . trace separation voltage 2
TS1+TS2 . . . trace separation 1 and 2
VBBI . . . bias voltage in
VBBO . . . bias voltage out
VS1 — VS4 . . . vertical selects 1 —4