Tektronix PG 508 - Page 57

See
t
he accom
p anyi n g ch art for rea r i n te r face con n ec-
tor assig n ments . For ot her fu n ctio ns not d etaile d he r e t h e
small auxiliary board ( Ε ) has
num e r
o us co
nn ectors
available . U se t h e co
n
nectio
n
s to
m ake c u stom i np u ts o r
out p uts
to
t he P G 508 t hr o u g h t h e P ower M o du le .
Amplitude M onitor
T h ese p i n s (25 Α ) a r e conn ecte d to t h e OU T PU T
terminal t h roug h α 27 k r esisto r a nd g r o und (26A) . To use
t h is functio n p lace t he PER IOD co n t r ol i n t he ΕΧΤ TR IG
O R MAN position a n d co nn ect an acc urate
volt m ete r to
t h ese termi
n
als . Now ad ju st
t he TR IG/GAT E LEVEL
co n trol cw for t he h ig h stea dy state o u t pu t voltage a nd
ccw fo r t he low stea dy state o u t pu t voltage . 1 η t h is ma n ner
t h e οιι t ριι t pu lse am p lit ud e levels may be p
r
ecisely
monitore d .
E xte r nal L evel Co n t r ol I np uts
See t h e d isc ussio n u n de r t he h eading E xternal V oltage
Cont r ol in Sectio n 1 of t h is manual fo r use of t h ese
terminals .
Trig/Gate I npu t
T h ese assig n me n ts p rovi de rear i nterface i npu t
ca p abilities for t h e f r o n t pa n el TR IG/GAT E IN i npu t . T he
+T r ig O u t
U sing t h e R ear
Interface
Connectors
signal lea d (24 Β ) m u st be u se r i n stalle d bu t t h e g r ound
(25 Β ) is facto r y wi r ed . To m a k e t he pr o per conn ection s
r emove t h
e ca b le exte n di ng from t h e TR IG/GAT E IN
con n ecto r
to
t he i npu t
board by p
ulling
t he end from t he
soc k et on t h e b oard . I n stall α twelve inc h cable with t he
p roper co nnecto rs, Te k tro n ix Pa r t No . 175-1827-00, from
t
h
e con n ecto r on t he i npu tci r c u it b oa r d labeled T r ig/Gate
In
to t h e ot h e r
co
nn
ecto
r
on t
h
e o u
t
pu t board labeled
Trig/Gate In as sh ow n i n t he ill u st r atio n .
T r igge r Output
T he h ot o r sig n al lea d (288) mu
st
b e u se r i n stalle
d
w h ile
t h
e g
r
o
und (27
Β ) is factory
wi r
e d
.
To ro
u
te t
h
is
f un
ctio
n
t hrou g h the r ea r i n terface co nnecto r remove t h e p l u gon
t he ti m i ng ci r cu it b oa rd co nn ecte d to t h e ca b le f r o m t he
T R
IG O U
T
fro n t panel co n nector . T h is pl ug is sh own on
t he illustratio n an d is la b ele d Trig O u t . Con nect α six i nch
cable wit h t he prope r conn ecto r s, Te k tro n ix P art
No
. 175-
1824-00, from t he con n ector la beled T r ig Out i n t he
illustration to t he connector on t he out p ut board la b eled +
Trig Out i n t h e illustration . To o b tai n t he com p lement
trigger out sig n al con n ect t he coaxial cable to t he
con n ecto r la b ele d Trig Co mp i n t he ill u stratio n . T he
no r mal t r igge r
o
u t pu t may
b
e u
se d si
mu lta n
eously
with
t he com p le m e n t, t hr o ug h t he r ea r co nn
ector,
wit h o u t
d ist u r b i ng t he o p eratio n of eit h e r .
L ocatio n s fo r use r In stalle d r
ea r i n te r face conn ectio n s .
REV . Α ΜΑΥ 1976