HMC442LM1_07 Datasheet, PDF (6/8 Pages) Hittite Microwave Corporation – GaAs PHEMT MMIC MEDIUM POWER AMPLIFIER, 17.5 - 24.0 GHz

Evaluation PCB
v01.0807
HMC442LM1
GaAs PHEMT MMIC MEDIUM
POWER AMPLIFIER, 17.5 - 24.0 GHz
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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
Micro Strip to CPWG
Material
Rogers 4003 with 1/2 oz, Cu
Dielectric Thickness
0.008” (0.20 mm)
Microstrip Line Width
0.018” (0.46 mm)
CPWG Line Width
0.016” (0.41 mm)
CPWG Line to GND Gap 0.005” (0.13 mm)
Ground VIA Hole Diameter 0.008” (0.20 mm)
C1 - C2
100 pF Capacitor, 0402 Pkg.
C3 - C4
33.000 pF Capacitor, 0805 Pkg.
For price, delivery, and to place orders, please contact Hittite Microwave Corporation:
20 Alpha Road, Chelmsford, MA 01824 Phone: [phone] Fax: [phone]
Order On-line at www.hittite.com
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