HMC441LM1 Datasheet, PDF (6/8 Pages) Hittite Microwave Corporation – GaAs PHEMT MMIC MEDIUM POWER AMPLIFIER, 7.0 - 15.5 GHz

v02.0508
Evaluation PCB
HMC441LM1
GaAs PHEMT MMIC MEDIUM
POWER AMPLIFIER, 7 - 15.5 GHz
11
The grounded Co-Planar Wave Guide (CPWG) PCB input/output transitions allow use of Ground-Signal-Ground
(GSG) probes for testing. Suggested probe pitch is 400um (16 mils). Alternatively, the board can be mounted in a
metal housing with 2.4mm coaxial connectors.
Evaluation Circuit Board Layout Design Details
Layout Technique
Material
Dielectric Thickness
Microstrip Line Width
CPWG Line Width
CPWG Line to GND Gap
Ground Via Hole Diameter
C1 - C3
Micro Strip to CPWG
Rogers 4003 with 1/2 oz, Cu
0.008” (0.20 mm)
0.018” (0.46 mm)
0.016” (0.41 mm)
0.005” (0.13 mm)
0.008” (0.20 mm)
100 pF Capacitor, 0402 Pkg.
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