GaAs MMIC
CGY 180
_________________________________________________________________________________________________________
Test circuit board:
The following impedances of the bias circuit
should be seen from the CGY180 ports:
Γ8= 0.97 / 96°
Γ9= 0.96 / 142°
Γ11= 0.94 / -134°
CGY 180
89
11
Γ8 Γ9
Γ11
(values measured at f=1.89 GHz)
Size: 20 x 25 mm; In, Out: 50 Ohm
Principal circuit:
Vg
1nF
+Vd
1nF
4.7uF 1nF
VTR
68pF
1nF
6.8pF
VG (2)
VD1 (8)
VTR (1)
Control
circuit
VD2 (9)
1.5pF
VD3 (11)
In
Pin (7)
CGY180
GND1 (6)
Pout (11)
Out
GND2 (3,4,5,10)
Siemens Aktiengesellschaft
pg. 11/15
21.02.96
HL EH PD 21