AGR21125E
125 W, 2.110 GHz—2.170 GHz, N-Channel E-Mode, Lateral MOSFET
Test Circuit Illustrations for AGR21125E
FB1
R3
VDD
VGG
R1
R2
+
+
+
+
C12D C9D C8D C6A C7A C8A C9A C10A C11A C12A C13A C14A C15A
C2 C3 C4
C5
Z4
Z6
Z7
Z14
Z8
Z9
Z10
Z11
Z12
C16
C18
Z13
RF
2
1
DUT
Z1 C1 Z2
Z3
Z5
OUTPUT
VDD
3
RF INPUT
+
+
C12C C9C C8C C6B C7B C8B C9B C10B C11B C12B C13B C14B C15B
PINS: 1. DRAIN, 2. GATE, 3. SOURCE
A. Schematic
Parts List:
■
Microstrip Line:
Z1 0.785 in. x 0.065 in.
Z2 0.205 in. x 0.065 in.
Z3 0.070 in. x 0.255 in.
Z4 0.315 in. x 0.065 in.
Z5 0.240 in. x 0.860 in.
Z6 0.050 in. x 0.467 in.
Z7 0.050 in. x 0.367 in.
Z8 0.500 in. x 1.050 in.
Z9 0.248 in. x 0.185 in.
Z10 0.075 in. x 0.320 in.
Z11 0.465 in. x 0.115 in.
Z12 0.075 in. x 0.065 in.
Z13 0.252 in. x 0.065 in.
Z14 0.050 in. x 0.367 in.
2
3
1
■
WB1, WB2; 10 mil thick, 0.6 in. x 0.18 in.
®
■ Fair-Rite ferrite bead: FB1 2743019447.
®
■ Vitramon 1206 size chip capacitor:
C3, C9A, C9B, C9C, C9D 22000 pF.
■
■
1206 size chip capacitor: 22000 pF
C12A, C12B, C12C, C12D, C13A, C13B.
1206 size chip resistor:
R1 1 kΩ;
R2 560 kΩ;
R3 4.7 Ω.
®
■ Taconic ORCER RF-35 board material,
2 oz. copper, 30 mil thickness, εr = 3.5.
®
■ ATC chip capacitor: C1 10 pF 100B100JW500X; C5, C14A, C14B, C15A, C15B 5.6 pF100B5R6BW500X;
C6A, C6B 6.8 pF 100B6R8JW500X; C7A, C7B 1.2 pF 100B1R2BW500X; C16 15 pF 100B150JW500X.
®
■ Murata 0805 size chip capacitor: C8A, C8B, C8C, C8D 0.01 µF GRM40X7R103K100AL.
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■ Sprague tantalum surface-mount chip capacitor: C2, C4, C10A, C10B, C11A, C11B 22 µF, T491, 35 V.
®
■ Johanson Giga-Trim variable capacitor: C18 0.6 pF to 4.5 pF 27271SL.
B. Component Layout
Figure 2. AGR21125E Test Circuit
TRIQUINT [ TRIQUINT SEMICONDUCTOR ]
