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Fig. 2.2
Tunnel diode circuit
To compute the equilibrium one has
x
1
Dx
2
D 0)
x
2
D 0 and x
1
D n n D 0; ˙1; ˙2;
(2.3)
Indicative forms of oscillations for the pendulum are defined as follows:
(a) The effect of friction is neglected, therefore one has
x
1
D x
2
x
2
D
(2.4)
g
l
sin.x
1
/
(b) An external torque T is applied to the pendulum
x
1
D x
2
(2.5)
g
l
sin.x
1
/
k
1
x
2
D
m
x
2
C
ml
2
T
Example 2.
Tunnel diode circuit (Fig.
2.2
).
The following equations hold
sC
I
c
.s/)I
c
.s/ D sCV
c
.s/)I
c
.t/ D C
dV
c
.t/
1
V
c
D
(2.6)
dt
V
L
.s/ D
sL
I
L
.s/)V
L
.t/ D L
dI
L
.t/
dt
(2.7)
I
L
.s/ D I
C
C I
R
(2.8)
I
R
.s/ D h.V
R
/
(2.9)
