I N Trod Uction - Wavetek 3001 Instruction Manual

I
N
T
R
OD
U
CTIO
N
Option 7
p
rovi des for α re duction in RF leakage suc h
t
h at
less th a n 0.1 μV is induce d in α two-turn, one inc h diameter
loop (fee ding α 50 St receiver) held one inch away
f
ro m any
s
urface, w h en th e inst rum ent is developi ng 30 mV RM S or
less into α 50 Ω te rm ination .
An alternate met hod of
d
etection is to place α paging
r
eceive r with .2 μV sensitivity (such as Motorola A04FNC
in α ΤΕΚ-69 fixt ure connected to
t
h e instru m ent RF O UT
connector) 6 inches in front of t h e in strum ent with the
i
nstrum ent OUTPU T
ST EP ATTENUATOR set
at
minimum
a
nd the instrument frequency set to th at of
t he p aging receiver .
T h e p
aging
r
eceive r IF test point is monitored with an AC
voltmeter, and
s
h ould c h a n ge less than 0-5 dB .
OPERATIO N
T
here is no
c
hange in
o
peratio n from the stan dard
instrum ent.
CI
R
C
U IT D
E
SC
R I
P
TIO
N
OPTION 7
L
O
W
LEAKAGE
F
or Op tion 7, t he stan dard M 9W Sweep Oscillator is
re place d with an
M
9W-2. The operation of t h e
M
9W.2 is
identical to
t
he
M
9W : the difference is add itional shieldin g
and
f
iltering in
t
he
M
9W-2. Also, add itio nal shiel ding,
filtering for
t
he PR OG R AM M I N G
j
ac k i np uts,
f
iltering for
ιΙιρ LEVEL PR OG RAM jack inputs ifor Option IA) . and
an AC line filter are added to the rear panel of th e
instrument,
M
AI NTEN ANCE
ΝΟΤΕ
If Option 4, Auxillia ry RF Outpu t, is also installe d, the
Swee p Oscillator is an M9W-3.
No cali bration or maintenan ce s hould be r equ ired for this .
option other than that described in pr evious sections of
t
his manual .
8/7-1