RF2942 データシートの表示（PDF） - RF Micro Devices
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RF2942 Datasheet PDF : 12 Pages
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Typical Applications
• 915MHz ISM Band Products
• Digital Communications
RF2942
UHF QUADRATURE MODULATOR
AND TRANSMITTER
• Quadrature Modulation
• Portable Battery-Powered Equipment
Product Description
The RF2942 is an integrated power amplifier and quadra-
ture modulator IC. The quadrature modulator is driven
with a single-ended local oscillator (LO) source. The
quadrature phase generation of the LO is accomplished
using an internal passive network tuned for twice the
operating frequency. The LO frequency is at twice the RF
frequency to avoid interfering with an external synthe-
sizer.
Optimum Technology Matching® Applied
Si BJT
GaAs HBT
GaAs MESFET
Si Bi-CMOS
InGaP/HBT
SiGe HBT
Si CMOS
9 GaN HEMT
SiGe Bi-CMOS
4 3 12
LO IN+ 14
LO2 OUT 15
÷2
Σ +45°
-45°
21
9 RF OUT
2 PLCS
-A-
4.00 SQ.
0.25 C A
1.00
0.85
2.00 TYP
0.25 C B
2 PLCS
0.80
0.65
0.05 C
0.05
0.01
0.20 C B
2 PLCS
2 PLCS
0.20 C A
Dimensions in mm.
12°
MAX
3.75 SQ.
-B-
1.88 TYP
-C-
SEATING
PLANE
0.60
0.24
TYP
0.10 M C A B
0.35
0.23
Shaded lead is pin 1.
0.65
0.30
4 PLCS
1.85
1.55
SQ.
0.23
0.13
4 PLCS
0.75
0.65
0.50
Package Style: QFN, 16-Pin, 4x4
Features
• 2.0V to 3.6V Power Supply
• 902MHz to 928MHz Frequency Range
• 200mW Output Power
• Low LO Input Level
• Low Broadband Noise Floor
• Small Footprint
Ordering Information
RF2942
UHF Quadrature Modulator and Transmitter
RF2942 PCBA Fully Assembled Evaluation Board
Functional Block Diagram
RF Micro Devices, Inc.
7628 Thorndike Road
Greensboro, NC 27409, USA
Tel (336) 664 1233
Fax (336) 664 0454
http://www.rfmd.com
Rev A4 040115
11-195
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