Wavetek 143 Instruction Manual page 15

SQUARE WAVE
TO TRIG/PULSE
BOAR[)
- - - 1
AM~~~IERr-------------~---------------;:::;:::;::::::::::::~----------------------G-E_N_E_R_A_T_O_R_B_O_A_R_O_~l-",~A-
sauARE
@
~~~
WAVE
7
VCG@;
IN
v
L
I
SYMMETRY
CONTROL
'l_,
l" .......... .:;: ......
..,jHYSTERESI,,.. . . . . . . . . . . . . . . . .
SWITCH I
DIODE
GATE
TRIGGER
START/STOP
START/
STOP
DIODE
FREQ
MULT
1
i i
TIMING
(INTEGRATING)
CAPACITOR
CAPAC I·
TANCE
MULT
T~~G
fl
TRIGGER
SQUARING
CIRCUIT
SQUARE
11
I
'l_,
WAVE .....
,,--=---------_l------iJ
ONE-SHOT!-------+! SYNC OUT
FROM BUFFER
t-----+--'~
SYNC
GENF9ATOR OUT
BOARD POWER
~~=
4-0
SUPPLY +15
-15
+5
L _ _
Figure 4-1. Overall Block Diagram
SHAPER
/
/
/
/
>
FUNCTION
SELECTOR
® E~Z
\]OFFSET