6-27
Product Description
Ordering Information
Typical Applications
Features
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
Optimum Technology Matching® Applied
Si BJT
GaAs MESFET
GaAs HBT
Si Bi-CMOS
SiGe HBT
Si CMOS
InGaP/HBT
GaN HEMT
SiGe Bi-CMOS
1
2
3
4
8
7
6
5
IF-
IF+
BYP
LO-
RF OUT
VCC
GND
LO+
RF2638
W-CDMA AND CDMA UPCONVERTER/
BPSK MODULATOR
• W-CDMA Systems
• PCS/Cellular CDMA Systems
• PHS 1500/WLAN 2400 Systems
• General Purpose Upconverter
• BPSK Modulation
• Micro-Cell PCS Base Stations
The RF2638 is a complete upconverter designed for cel-
lular, PCS and W-CDMA applications. This device may
also be used to directly BPSK modulate a carrier. The
unit operates at 3.0V and is designed as part of the
RFMD PCS/Cellular CDMA and W-CDMA Chip Sets.
• Supports Dual Mode Operation
• +10dBm Output IP3 (1950MHz)
• +13dBm Output IP3 (830MHz)
• Single 3.0V Power Supply
• Miniature 8-Pin Package
• Double-Balanced Mixer
RF2638
W-CDMA and CDMA Upconverter/ BPSK
Modulator
RF2638 PCBA-PCS/CEL
Fully Assembled Evaluation Board
RF2638 PCBA-DO
Fully Assembled Evaluation Board
0
Rev B15 060921
NOTES:
1. Shaded lead is pin 1.
2. All dimensions are exclusive of
flash, protrusions or burrs.
3. Lead coplanarity: 0.002 with
respect to datum "A".
0.012
6° MAX
0° MIN
0.021
+ 0.004
0.006
+ 0.002
0.192
+ 0.008
0.0256
0.118
+ 0.004 sq.
0.006
+ 0.003
0.034
-A-
Package Style: MSOP-8
RoHS Compliant & Pb-Free Product
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