Wavetek 180 - Page 31

PULSE
^ OUT
GCV
'out
VOLTAGE
CONTROLLED
GENERATOR
BUFFER
AMPL ,
WAVEFORM
SELECTOR
FREQ
MULT
FREO +15V
DIAL >
SUM>
MING
AMPL
VCG
SUMMING
AMPL/^
AMPLITUDE
OUTPUT
AMPL^
VCG
IN ^
OFF
<1 •
■O) LO
+15V
SWEEP
GENERATOR
DC
OFFSET
+5V
-15V
15V
SWP
INTEG
SWEEP
RATE
-15V
SWEEP
WIDTH
OFF
Figure 4-1. Simplified Block Diagram L
4-0
PEAK
DETECTOR
ZERO
DETECTOR
GCV
AMPLIFIER
NEGATIVE
CURRENT
SOURCE
TTL
BUFFER
AMPLIFIER
POSITIVE
CURRENT
SOURCE
HYSTERESIS
SWITCH
SINE
CONVERTER
SQUARE
WAVE
SHAPER
20 dB
ATTEN
UATOR
DIODE
GATE