tqm613025 TriQuint Semiconductor, tqm613025 Datasheet - Page 8

• Manufacturer Part Number: tqm613025
• Description: Cdma Cellular Band Pa/duplexer Module
• Manufacturer: TriQuint Semiconductor

Note: R1 & R2 are optional resistors, not placed if RFin+ and RFin- connectors are used. J6 is optional connector if single-ended input is required.
Applications Information: Power Up/Down Sequences
Data Sheet
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Revision J, September 18, 2007
Sequence
1
2
3
4
5
Power-Up Sequence
Vmode
VREF
VCC
VEN
PIN
RF
CDMA Cellular Band PA/Duplexer Module
Apply Reference Voltage
Apply Battery Voltage
Figure 3: Evaluation Board Schematic
Set Bias Mode
Description
Enable PA
Apply RF
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Sequence
1
2
3
4
5
Power-Down Sequence
Vmode
VREF
VEN
VCC
PIN
RF
TQM613025
Remove Reference Voltage
Remove Battery Voltage
Set Bias Mode to 0V
Description
Remove RF
Disable PA
Data Sheet
8