Fre Quency Range And Reso Lu Tio N Test; Fre Q Uen Cy Accuracy Test - Wavetek 3001 Instruction Manual

42 FRE QUENCY RANGE AND RESO LU TIO N TEST
S
PE CI FICA'ΓΙΟΝ
M
odel 3002
M
odel 3001
ME
T
H
OD
E
QUIPMEN T
PR OC EDURE
4.3 FREQUEN CY ACCUR ACY T EST
SPE CI F ICATIO N
METHOD
4-4
1 kH z [ο 520 ΜΙλι ,ιληιι lαΓιΙ e in 1 kHz stops ωιΙ h I kHz resolution
1 MHz to 520 MHz selectable in 1 kHz steps with 1 kHz resolution
Α fre
q
ue
n
cy counter
is
use
d
1 ο nseas
u
re t
h
e fre
qu
ency ra
n
ge a
nd
the
f re quency resolution . Eac h digit of the
L
ever/I nchcator switches (a total
ο 1 56) will
b
e tested ,
1 . Set
t he instrument controls as follows
F RE D VERN I F R
CA L
Fre quency selector 050.000
M
OD UL ATIO N ΜΟΠ F CW
MOD UL ATIO N FRED N/A
MOD UL ATIO N Γπλ ! ηπΛ
N/A
O U T PU T VERN IFR Fu ll εω
O UTPU T Step Α lte' υιαταr +10
d
Om
2. Connect the f ront-p anel RF OUT connector to the 50 ohm input of
the
f
re qu ency cnυ n ler . Set t h e counter resolution to 100 H? .
3 . Observe.
t
h e frequency coun ter reading. Increase the output frequency
setting in 1
k
Ηι ste ps and verify that the trequency counter reading
increases by 1 .00 kH z ι 1 rπιιητ for each step increase from 1 t h ro ugh 9
kHz T
h e foregoing
p
roce dure verifies the I kHz resolution specification
4 . Repeat the procedure in step 3 tot all other step increases indicated
in
t
he table Wow, beginning with the 10 kHz
d
igits. If the actual counter
f re qu ency increase per step is equal 1ο the allowa ble increase per step
t1 coun t f or each ο 1
t
he steps indicated in
t
h e table, p lace α chec k mar k
in
t
h e applica ble sp ace on line 1 of th e PTR.
5 Set the Lever /Ι nd,c αtor switches [ο 000.001 ( Model 3002) or 001 .000
(Model 3001) and verify
t
he low
e
nd of th e frequency ra nge .
All mo des IC W. AM an d FM I - -0-001% after 15
m
inutes.
i=0.001% " 10 kH z when FRE QUENCY VERN I ER is not in CA L.)
! FREQUE NCY VERN I ER range is i5 kHz .!
Α
f
re qu ency co u nter is used [π measur e fre qu ency accuracy .
W
ith
t
he
F RE G V ERN I ER in CA L . all carrier fre quencies are
d
e rived from α single
LEVER
!I
N
DICATO
R
CO
UN
T
ER
I
N
C
RE
AS
E
/ST
E
P
SWITCH S ETTIN GS
RESOLU
TIO N (21 CO UN T)
050000050.009 100 Hz 1 .00 kHz
050.000,050 .090 100 Hz 10 .000 k1λι
050.000-050 .900 1
k
Ηι 100.0 kHz
050.000-059 .000 1 kH z 1 .000 MI-It
too ow-190 .0 ΠΠ 1 It Η 7
10 .000 MHz
020.000-520,000
1 kH z
100-000 MHz