GW Instek GFG-8020H - The Formation Circuit of Square Wave and................ Sinewave.......... Power Amplifier

When P point voltage is lower than B point, there is I3 current
available and I3
= 11, i.e. IA = 0. However, I2 is constant
current source, and
it permanently needs current source,
therefore, there
is descharge current IB ~vailable and IB = 12,
so Vc voltage will slowly come down. Thus come out triangle
waves circulatively.
IK P 'LOO
Vl -=
11- ___C
Ve
1 K I e
V2 -
12-
6%
IB
OVc
FIGURE 6 - 2 -15V
THE FORMATION CIRCUIT OF SQUARE WAVE AND SINEWAVE
This unit including U401, U302, U303 etc., the formation of
square wave
is made by using a flip-flop to produce square form
and phase shift
R318, R319, R320 are in charge of this mission.
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