Installation - Tektronix 7A16A Instruction Manual

O
PER
ATI
N
G I
N
ST
RU
CTIO
N
S
General POSITION
Installation
inscribe
d
with
t
he unit i
d entification "7 Α16 Α") and
t
h e
plug-in will unlatc h. Continue p
ulli ng on the latch to sli de
GAIN
Ad
justment
th e 7Α16 Α out of the oscilloscope .
F
unctions of Controls an
d
Co nnectors
Front Panel
I
NPUT Co nnector
P rovi
d
es signal connection to the am plifier .
AC-G ND-DC Switch
Selects signal input co up ling mo
d
e.
AC : The AC component of the signal is cou
p
led to the
in
p
ut wh ile the DC component is
b
locked.
DC : B oth AC and DC com ponents of the sign al is
co u
p
le
d
to the amplifier inp ut .
P
OLA R ITY Switch
Provi des α means of inverting the d is
p lay .
B AN DWIDTH Switch
Sectio n 2-7 Α16 Α
To effectively use the 7Α16Α, the operation an
d
Controls
p
osition of the trace .
capabilities of t h e instrume nt must b
e known . Th is section
d
escribes front-panel co n trol fu nctions, general information
on signal in put co nn ections, an
d
oth er subjects that
p
ertain
ID EN TI F Y
P
us hbu tton
to various measurement ap p licatio ns .
Deflects trace about 0.3 d ivisio n for trace i
d
entification .
In i nstruments with rea
d
out, also re
p
laces rea
d
out with
t
he
wor
d
"ID EN TI FY" .
The 7Α16 Α is cali br ated and rea
d
y for use as receive
d
. It
VO LTS/D IV Switch
can
b
e installed in any com
p
artment of TEK TRO N IX
7000-Series Oscillosco
p
es, but is inten
d
e
d
for use
p
rimarily
Selects cali brate d deflection factors from 5 m V/
d
iv to
in vertical
p
lug-in com
p
artmen ts . To install, alig n
t
h e upp er
5 V/div ; 10 steps in α 1-2-5 se
q
uence .
an
d
lower rails of the 7Α 16 Α with
t
he oscillosco pe trac ks
and insert the
p
lug-in . The front panel will
b
e fl ush with
t
he
front of the oscillosco
p
e whe n
t
he
p
lug-in is inserted, an
d VAR IA BLE ( VO LTS/DIV)
the latc h at the
b
ottom-left corner will b e in place against
the front p
anel .
P rovi
d
es continuously variable uncali brated settings be-
t
w
een calibrate
d
ste
p
s.
E
xtends the deflection factor to
To remove the 7Α 16 Α, pull on the latch (w hic h is
12 .5 volts/divisio n or
m
ore.
Screw
d
river ad ju stment permits calibratio n of d
eflection
factor .
+UP : Α positive-goi ng signal at th e I NPUT conn ecto r
deflects the C R T
d
isplay up ward .
I
NVER T: Α positive-goi ng signal at th e
I
NPUT con-
nector
d
eflects the CRT
d
is p lay
d
ownwar
d
.
Provides α m ea ns of limiti ng the u pper ban
d
wi
d
th.
FULL : Allows the 7Α16Α to operate at full rate
d
G
ND : Grou nds the am
p
lifier in
p ut wh ile maintaining the
b
an dwidth.
same load at the I NPU T connector.
P
rovi
d
es α
p
at h for
p
re-c harging the AC cou
p
ling ca
p
acito r (t h is feature p
ro
tects b
oth
t
he 7Α16 Α an
d
t
h e so u rce generator from
20 MH z :
R
educes the u
pp
er
b
and width of the 7Α16 Α to
p
ossi ble over-voltage conditions) .
about 20 MH z.