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TQ5635 Datasheet

  • TQ5635

  • WIRELESS COMMUNICATIONS DIVISION

  • 218.57KB

  • 25頁(yè)

  • TriQuint

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WIRELESS COMMUNICATIONS DIVISION
GND/LNA
Gain
GND/LNA
Gain
Mixer
Vdd
TQ5635
DATA SHEET
LNA Out
1
GND
Active
Bias
MXR In
3 V PCS LNA/Mixer
Receiver IC
RF In
LNA
GND
Mixer
GND
LO
Vdd
Features
?
Single 3.0 V Operation
?
?
Adjustable Gain/IP3/Current
?
?
Low Current Operation
?
?
Few external components
?
?
QFN 3x3 mm, 16 Pin Leadless Plastic
?
Package
?
High Input IP3
?
?
Low Noise Figure
?
LNA
Bias
active
bias
LO Buffer
IF Amp
LO
In
LNA Vdd
GND
IF Out
GIC
Product Description
The TQ5635 is an LNA-Downconverter optimized for use in the Korea CDMA
PCS bands. The integrated LNA has a single high gain mode that provides over
15 dB of gain, and features very low NF and excellent IP3. An external resistor
controls LNA bias, making LNA Idd adjustable. The integrated mixer features
very high IP3 and provision for external adjustment of gain, IP3, and Idd.
Because of the external LO tuning inductor, IF鈥檚 in the range of 85 to 200Mhz
can be used. The excellent RF performance with low current coupled with very
small lead-less plastic package is ideally suited for PCS band mobile phone.
Applications
?
PCS band CDMA mobile Applications
?
?
Wireless data applications
?
Electrical Specifications
1
Parameter
RF Frequency
Conversion Gain
Noise Figure
Input 3
rd
Order Intercept
DC supply Current
Note 1. Test Conditions:
Min
Typ
1855
24.5
2.3
-4.75
23.4
Max
Units
MHz
dB
dB
dBm
mA
Vdd=+2.8V, T
C
=+25C, RF=1855MHz, RF in =-30dBm LO=1635MHz,
LO input=-4dBm, IF=220MHz
2. Data includes image reject filter (Sawtek P/N: 356083) insertion loss of 1.7 dB
For additional information and latest specifications, see our website:
www.triquint.com
1

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