HMC276QS24(V04) Ver la hoja de datos (PDF) - Hittite Microwave
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HMC276QS24 Datasheet PDF : 8 Pages
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v04.0701
MICROWAVE CORPORATION
HMC276QS24
GaAs MMIC 4x2 SWITCH
MATRIX, 0.7 - 3.0 GHz
14
Switch Application Circuit for 4x4 Switch Matrix
The HMC276QS24 switch can operate as a 4x4
switch by connecting the 4 inputs of two switches
directly together.
The VL, VH, HL, and HH inputs of the first switch
should be connected to the second switch, as illus-
trated.
Mirror image switch performance can be realized by
inverting the HV1 & HV2 logic control signals of one
of the HMC276QS24 switches.
The input loading impedance of two switches in
parallel should be 31.25 ohms. The output loading
impedance on each output should be 75 ohms. The
interconnect RF line between the switch’s inputs
should be an RF trace with a characteristic imped-
ance of 62.5 ohms. This will allow the switch to
remain matched in all possible switch states.
The HMC276QS24 does not provide output to
output (OP1 to OP2) isolation. For this reason,It is recommended that external amplifiers should be used at each output.
The amplifier’s reverse isolation will provide output to output isolation, if this is necessary.
Each HMC276QS24 requires DC blocking capacitors on ALL RF input and output ports.
14 - 156
For price, delivery, and to place orders, please contact Hittite Microwave Corporation:
12 Elizabeth Drive, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373
Order Online at www.hittite.com
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