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RF2861PCBA-410 fiches techniques PDF

RF Micro Devices - CDMA LOW NOISE AMPLIFIER/MIXER 900MHz DOWNCONVERTER

Numéro de référence RF2861PCBA-410
Description CDMA LOW NOISE AMPLIFIER/MIXER 900MHz DOWNCONVERTER
Fabricant RF Micro Devices 
Logo RF Micro Devices 





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RF2861PCBA-410 fiche technique
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Typical Applications
• CDMA/JCDMA Cellular Systems
• CDMA450 Handsets/Data Cards
• AMPS Cellular Systems
RF2861
CDMA LOW NOISE AMPLIFIER/MIXER
900MHz DOWNCONVERTER
• General Purpose LNA and Downconverter
• Commercial and Consumer Systems
• Portable Battery-Powered Equipment
Product Description
The RF2861 is a receiver front-end for CDMA cellular
applications, including JCDMA and CDMA450. It is
designed to amplify and downconvert RF signals, using a
three gain state LNA to obtain 17dB of stepped gain con-
trol. Features include digital control of LNA gain and
power down mode, along with an integrated TX LO buffer
amplifier. Another feature of the chip is adjustable IIP3 of
the LNA and mixer using off-chip current setting resistors
to allow for minimum DC current consumption. Noise fig-
ure, IIP3, and other specs are designed to be compatible
with the TIA/EIA 98D standard for CDMA cellular commu-
nications. The IC is manufactured on an advanced Silicon
Germanium Bi-CMOS process and is in a 3mmx3mm,
16-pin, QFN.
Optimum Technology Matching® Applied
Si BJT
GaAs HBT
GaAs MESFET
Si Bi-CMOS
InGaP/HBT
SiGe HBT
Si CMOS
9GaN HEMT
SiGe Bi-CMOS
16 15 14 13
G2 1
12 LO IN
LNA IN 2
11 GND
LNA EMITTER 3
10 IF OUT-
LNA OUT 4
9 IF OUT+
5678
Functional Block Diagram
0.10 C A
-A-
3.00
2 PLCS
1.50 TYP
2 PLCS
0.10 C B
0.70
0.65
0.05 C
0.90
0.85
0.05
0.00
3.00
2 PLCS
0.10 C B
2 PLCS
0.10 C A
2.75 SQ
-B-
1.37 TYP
0.60
0.24
TYP
NOTES:
1. Shaded lead is pin 1.
2 Dimension applies to plated terminal: to be measured
between 0.20 mm and 0.25 mm from terminal end.
12°
MAX
Dimensions in mm.
SEATING
-C- PLANE
0.10 M C A B
0.30
0.18 2
PIN 1 ID
R.20
1.65
1.35
SQ.
0.50
0.30
0.50
Package Style: QFN, 16-Pin, 3x3
Features
• 3mmx3mm LNA/Mixer Solution
• Adjustable LNA and Mixer Current/IIP3
• Meets IMD Tests with Three Gain
States/Two Logic Control Pins
• Integrated TX LO Buffer Amplifier
• Full ESD Protection on all Pins
Ordering Information
RF2861
CDMA Low Noise Amplifier/Mixer 900MHz Down-
converter
RF2861 PCBA-410 Fully Assembled Evaluation Board
RF Micro Devices, Inc.
7628 Thorndike Road
Greensboro, NC 27409, USA
Tel (336) 664 1233
Fax (336) 664 0454
http://www.rfmd.com
Rev A2 040107
8-1

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