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M
odel 435Β
Ad
j
u stm e nts
AD
JU
ST
MEN
TS
5-7.
MUL
TI
V
I
BR
ATO
R
AD
JU
ST
ME
NT (Cont' d )
HO
R
IZO
N
TA
L REFEREN
C
E
\ ΤΡ7
Ι
`Z
ER
O C
R
OSSO
VER
W
A
VE
F
ig
u
re 5-3. 220 Hz Zero Crossover
4.
Ad
j
ust
A
4R76 so that the
z
ero crossover l ags t he s quare wa ve by 150 ±10 As .
5.
Ch eck
t
h at the co unter measures 220 ±12 Hz at ΤΡ 8. If necessary , a d
j
ust Α 41176
f
or α compromise between frequenc y a nd phase.
6.
If
t
h e conditio n s of ste ps 4 and 5 cannot be m et, c hange
A
4C11* or A4C14* as
f
ollows:
α.
If
t
he frequ e ncy at ΤΡ8
i
s too high, ch ange C14* to 0.01 μ F.
b.
If
t
he frequ e ncy αt ΤΡ8
i
s too
l
ow, cha nge C11* to 0 .0082 μF .
ε.
R
epeat steps 4 and 5.
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