HP 435B - Page 46

M od e l 435 Β

Ad j u st m e n ts
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 CE
\
ΤΡ 7

Ι

`ZER O C R OSSO VER
W A VE
F ig u re 5-3 . 220 Hz Zero Crossover
4 .

Ad j u st A 4 R 76 so t h at t h e ze r o c r osso v er l ags t h e s qu a r e wa ve by 150 ±10 As .
5 .

Ch ec k t h at t h e co un te r m easures 220 ±12 Hz at ΤΡ 8 . If n ecessary , ad j u st Α 41176
f o r α co mpr o mi se b et w ee n fre qu e n c y a ndph ase .
6 .

If t h e co ndi t i o n s of ste p s 4 a nd 5 ca nn ot b e m et, c h a n ge A 4C11* o r A 4C14* as
f o ll ows :
α .

If t h e fre qu e n c y at ΤΡ 8 i s too hi g h, c h a n ge C14* to 0 .01 μ F .
b .

If t h e fre qu e nc yα t ΤΡ 8 i s too l o w , c h a n ge C11* to 0 .0082 μ F .
ε .

R e p eat ste p s 4 and 5 .