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PDF RF2371 Data sheet ( Hoja de datos )

Número de pieza RF2371
Descripción 3V LOW NOISE AMPLIFIER
Fabricantes RF Micro Devices 
Logotipo RF Micro Devices Logotipo



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No Preview Available ! RF2371 Hoja de datos, Descripción, Manual

Preliminary
4
RF2371
3V LOW NOISE AMPLIFIER
Typical Applications
• GSM Handsets
• CDMA Handsets
• TDMA Handsets
• IF or RF Buffer Amplifiers
• Driver Stage for Power Amplifiers
• Oscillator Loop Amplifiers
Product Description
The RF2371 is a general purpose, low-cost, high perfor-
mance low noise amplifier designed for operation from a
2.7V to 4V supply with low current consumption. The
attenuation of the device is controlled when in power
down mode, providing a known gain step. The RF2371 is
available in a small industry-standard SOT23-8 surface
mount package, enabling compact designs which con-
serve board space. The design features a highly accurate
PTAT (Proportional To Absolute Temperature) biasing
scheme using bandgap cells.
1.59
1.61
0.365
0.15
0.05
2.80
3.00
0.650
2.60
3.00
1.44
1.04
*When Pin 1 is in
upper left, text
reads downward
(as shown).
3°MAX
0°MIN
0.35
0.55
0.127
Optimum Technology Matching® Applied
Si BJT
üSi Bi-CMOS
GaAs HBT
SiGe HBT
GaAs MESFET
Si CMOS
RF IN 1
GND1 2
GND2 3
IPSET 4
Bias Circuits
8 RF OUT
7 ISET
6 VCC
5 ENABLE
Package Style: SOT23-8
Features
• 700MHz to 2000MHz Operation
• 2.7V to 3.6V Single Supply
• +5dBm Input IP3 at 3.0mA
• 12dB Gain at 1950MHz
• 1.8dB Noise Figure at 1950MHz
• 17dB Gain Step
Ordering Information
RF2371
3V Low Noise Amplifier
RF2371 PCBA Fully Assembled Evaluation Board
Functional Block Diagram
RF Micro Devices, Inc.
7625 Thorndike Road
Greensboro, NC 27409, USA
Tel (336) 664 1233
Fax (336) 664 0454
http://www.rfmd.com
4
Rev A2 010205
4-221

1 page




RF2371 pdf
Preliminary
RF2371
RF IN
22 nF
10 nF
IPSET
Application Schematic
1.95 GHz
VCC
3.3 nH
1.5 pF
1 8 RF OUT
27
36
Bias Circuits
45
1 k
VCC
ENABLE
4
RF IN
22 nF
82 nH
IPSET
Application Schematic
836 MHz
VCC
18 nH
1 pF
1 8 RF OUT
27
36
Bias Circuits
45
1 k
VCC
ENABLE
Rev A2 010205
4-225

5 Page










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