
Transferred Electron (Gunn Diode) Devices 323
I-
._1
0
>
ISOLATION
DIODE
R.F.
CURRENT
CHOKE
VegAS -R ~_ C
!
-T
_
I!
II
DC
(A)
SUSTAINING VOLTAGE
I
L
<
DC BIAS
VOLTAGE
TH R ESHOLD VOLTAGE QUENCH
REGION
(B)
ELECTRON VELOCITY TIME
III
VTh
VL
TIME
(C)
~T
Figure 16-7 A) Gunn diode LSA mode oscillator equivalent circuit; B) voltage and current
relationships; C) output pulse.