PE42742
Product Specification
Evaluation Kit
The SPDT Switch Evaluation Kit facilitates
customer evaluation of the PE42742 SPDT
switch. The RF common port is connected
through a 75
Ω
transmission line to J2. Ports 1
and 2 are connected through 75
Ω
transmission
lines to J1 and J3. A through line connects F
connectors J4 and J5. This transmission line can
be used to estimate the PCB loss over the
environmental conditions. J6 provides DC and
digital inputs to the device.
The board is composed of a two metal layer FR4
material with a total thickness of 0.032”. The
transmission lines are hybrid microstrip/coplanar
waveguide with ground plane (28 mil core, 12 mil
width, 12 mil gap).
The provided jumpers short the control pins to
ground for logic low. With the jumper removed the
control input rises to V
DD
for logic high through the
1 MΩ pull up resistor. These resistors will draw
several microamps from V
DD.
They are not
required for normal operation.
Figure 18. Evaluation Board Layouts
Peregrine Specification 101/0269
Figure 19.
Peregrine Specification 102/0352
Evaluation Board
©2006 Peregrine Semiconductor Corp. All rights reserved.
Page 8 of 11
Document No. 70-0203-03
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UltraCMOS™ RFIC Solutions
PEREGRINE [ PEREGRINE SEMICONDUCTOR CORP. ]
