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RF2431 Datasheet

  • RF2431

  • RF Mixer

  • 148.93KB

  • 10頁(yè)

  • ETC

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RF2431
8
Typical Applications
鈥?UHF Digital and Analog Receivers
鈥?Digital Communication Systems
鈥?Commercial and Consumer Systems
鈥?Portable Battery-Powered Equipment
HIGH FREQUENCY LNA/MIXER
鈥?Spread-Spectrum Communication Systems 鈥?General Purpose Frequency Conversion
Product Description
The RF2431 is a monolithic integrated UHF receiver
front-end. The IC contains all of the required components
to implement the RF functions of the receiver except for
the passive filtering and LO generation. It contains an
LNA (low-noise amplifier), a second RF amplifier, a dual-
gate GaAs FET mixer, and an IF output buffer amplifier
which will drive a 50鈩?load. Alternatively, the IF output
may be matched to a higher impedance at significantly
reduced current. The output of the LNA is made available
as an output to permit the insertion of a bandpass filter
between the LNA and the RF/Mixer section. The LNA out-
put is buffered to permit a wide range of choices for the
interstage filter without altering the VSWR or noise figure
at the LNA input and to provide high isolation from the LO
to the input port.
Optimum Technology Matching廬 Applied
Si BJT
Si Bi-CMOS
GaAs HBT
SiGe HBT
Si CMOS
.157
.150
1
.018
.014
.010
.004
.393
.386
.050
.244
.228
8 擄MAX
0擄MIN
.065
.043
8
FRONT-ENDS
.050
.016
.010
.007
眉
GaAs MESFET
Package Style: SOP-16
Features
鈥?Single 3V to 6.5V Power Supply
鈥?1500MHz to 2500MHz Operation
LN A
LN A IN 1
GND 2
VDD1 3
VDD2 4
IF 1 5
IF 2 6
BUFFER
GND 7
RF AMP
LO IN 8
M IX E R
9 R F IN
10 G N D
16 LN A O U T
15 G N D
14 N /C
13 N /C
12 D E C
11 N /C
鈥?23dB Small Signal Gain
鈥?3.5dB Cascaded Noise Figure
鈥?13mA DC Current Consumption
鈥?-14dBm Input IP
3
Ordering Information
RF2431
High Frequency LNA/Mixer
RF2431 PCBA-L Fully Assembled Evaluation Board (1.8GHz)
RF2431 PCBA-H Fully Assembled Evaluation Board (2.5GHz)
RF Micro Devices, Inc.
7625 Thorndike Road
Greensboro, NC 27409, USA
Tel (336) 664 1233
Fax (336) 664 0454
http://www.rfmd.com
Functional Block Diagram
Rev B1 010329
8-43

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