PTB20235 Datasheet, PDF (4/5 Pages) Ericsson – 70 Watts, 2.1-2.2 GHz Wideband CDMA Power Transistor

PTB 20235
Test Circuit
e
Q1
Block Diagram for f = 2 GHz
Q1
l1, l2, l21, l22
l3, l4
l5, l6
l7, l8, l11, l12
l9, l10
l13, l14
l15, l16
l17, l18
l19, l20
PTB 20235 NPN RF Transistor
0.25λ 2GHz Microstrip 50 Ω
0.085λ 2GHz Microstrip 80 Ω
0.067λ 2GHz Microstrip 20 Ω
0.0217λ 2GHz Microstrip 11.7 Ω
0.053λ 2GHz Microstrip 8.15 Ω
0.055λ 2GHz Microstrip 6.7 Ω
0.052λ 2GHz Microstrip 11.45 Ω
0.060λ 2GHz Microstrip 16.9 Ω
0.160λ 2GHz Microstrip 75 Ω
L1, L2
L3, L4
L5, L6
C1, C2
C3-8, C17, C18
C9, C11, C13, C15
C10, C12, C14, C16
R1, R2
T1, T2
Board
6.8 nh SMT Inductor
56 nh SMT Inductor
4 mm. SMT Ferrite
0–4 pF Johanson Piston Trimmer
20 pF (B ATC 100)
0.1 µF 1206
10 µF SMT Tantalum
10 Ω SMT
UT 70-50
0.031” G200, Solid Copper
Bottom, AlliedSignal
Placement Diagram (not to scale)
4
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