TQ1422 Просмотр технического описания (PDF) - TriQuint Semiconductor
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TQ1422 Datasheet PDF : 6 Pages
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Pin Out:
Pin # Description Function
1
DCS_IN1
DCS balanced input , 80Ohm || -0.8pF @ 1810MHz
2
DCS_IN2
3
VCC1
Input bias voltage *)1
4
GSM_IN1
GSM balanced input, 310Ohm || -0.85pF @ 875MHz
5
GSM_IN2
6
GSM_OUT GSM single ended output, 50Ohm
7
GND
GSM isolated GND *)2
8
VCC2
Input bias voltage *)1
9
GND
DCS isolated GND *)2
10 DCS_OUT DCS single ended output, 50Ohm
(11) Heat sink Common GND
*)1 Either VCC1 or VCC2 needs to be connected. VCC1 and VCC2 are alternate inputs short-circuited on
TQ1422.
*)2 Isolated GND pins must not be connected to the heat sink directly. Use (separated) vias to connect to the
PCB RF ground plane as close as possible !
Copyright © 2004 TriQuint Semiconductor Inc., All rights reserved (Rev 1.17 2004-08-06)
5
All specifications subject to change without notice
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