Evaluation PCB
v01.0505
HMC292LM3C
GaAs MMIC DOUBLE-BALANCED
SMT MIXER, 17 - 31 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 400mm (16 mils). Alternatively, the board can
be mounted in a metal housing with 2.4 mm 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
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)
LM3 package mounted to evaluation PCB
For price, delivery, and to place orders, please contact Hittite Microwave Corporation:
20 Alpha Road, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373
Order On-line at www.hittite.com
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