SD1423 Datasheet, PDF (3/4 Pages) STMicroelectronics – RF & MICROWAVE TRANSISTORS 800-960MHz BASE STATION APPLICATIONS

TEST CIRCUIT
SD1423
C1, C2
:0.8 - 8.0pfGigatrim Variable Capacitor
C3, C6,
C7, C8
:100pf ATC Chip Capacitor
C4 : 10µF, 63V Electrolytic
C5 : 0.1µF Capacitor CK06BX104K
D1, D2
:SD1423 trasistors used as diodes
L1, L3
:4 Turn, #22 AWG
L2 : #22 AWG, Ferrite Core
Q1: SD1423 Bias Transistor
Q2: SD1423 transistor under test
R1 : 1.5 kΩ, 1/4W Resistor
R2 : 5KΩ ±5% Potentiometer
Board Material: 3M Teflon Fiberglass Er = 2.55, H = .030”
TEST CIRCUIT DIMENSIONS
All dimensions in mils unless otherwise specified
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