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GaAs MMIC
CGY 94
_______________________________________________________________________________________________________
Siemens Aktiengesellschaft
pg. 8/9
17.10.95
HL EH PD 21
Test circuit board:
Note:
By changing the position of the
6.8 pF capacitor at pin # 12 it is
possible to tune the board for
max. Pout or max. PAE. To
achieve
the
maximum
power place the capacitor close
to the CGY94. For a better PAE
increase the distance between
the capacitor and the CGY94
device (2-5mm).
output
Principal circuit:
Pin (8)
Pout (12)
GND1 (6, 9)
GND2
(3, 4, 5, 10)
VD1 (7)
VD2 (12)
VG (1)
GND3 (11)
Control
Circuit
VTR (2)
1nF
1nF
4.7uF
1nF
43nH
6.8pF
VTR
VG
+VD
IN
OUT
2) Coilcraft SMD Spring Inductor
distribution by Ginsbury Electronic GmbH, Am Moosfeld 85 D-81829 München, Tel. 089/45170-223
43nH
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