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PDF RF2667 Data sheet ( Hoja de datos )
| Número de pieza | RF2667 | |
| Descripción | RECEIVE AGC AND DEMODULATOR | |
| Fabricantes | RF Micro Devices | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de RF2667 (archivo pdf) en la parte inferior de esta página. Total 10 Páginas | ||
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7
Typical Applications
• CDMA/FM Cellular Systems
• CDMA PCS Systems
• GSM/DCS Systems
RF2667
RECEIVE AGC AND DEMODULATOR
• TDMA Systems
• Spread-Spectrum Cordless Phones
• Wireless Local Loop Systems
Product Description
The RF2667 is an integrated complete IF AGC amplifier
and quadrature demodulator developed for the receive
section of dual-mode CDMA/FM cellular and PCS appli-
cations and for GSM/DCS and TDMA systems. It is
designed to amplify received IF signals, while providing
100dB of gain control range, and demodulate to base-
band I and Q signals. Noise figure, IP3, and other specifi-
cations are designed to be compatible with the IS-98, and
J-STD-018 Interim Standard for CDMA cellular communi-
cations. This circuit is part of the RFMD line of complete
solutions for digital radio applications. The IC is manufac-
tured on an advanced 15GHz FT Silicon Bipolar process,
and is packaged in a standard miniature 24-lead plastic
QSOP package.
Optimum Technology Matching® Applied
üSi BJT
GaAs HBT
GaAs MESFET
Si Bi-CMOS
SiGe HBT
Si CMOS
CDMA IN+ 4
CDMA IN- 5
IN SEL 14
Input
Select
FM IN+ 8
FM IN- 9
23
Gain
Control
19
Band Gap
Reference
10 24 18
Quad.
÷2
16 Q OUT+
15 Q OUT-
13 LO+
12 LO-
21 I OUT+
22 I OUT-
0.157
0.150
0.344
0.337
0.012
0.008
0.025
-A-
0.0098
0.0040
0.2440
0.2284
8° MAX
0° MIN
0.050
0.016
Dimensions in inches.
0.0098
0.0075
NOTES:
1. Shaded lead is Pin 1.
2. All dimensions are excluding mold flash.
3. Lead coplanarity: 0.005 with respect to datum "A".
0.0688
0.0532
Package Style: QSOP-24
Features
• Similar to RF9957with Higher I/Q Output
Voltage
• Supports Dual Mode Operation
• Digitally Controlled Power Down Mode
• 2.7V to 3.3V Operation
• IF AGC Amp with 100dB Gain Control
Ordering Information
RF2667
Receive AGC and Demodulator
RF2667 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
7
Rev A14 010622
7-1
1 page  
RF2667
Pin Function Description
Interface Schematic
24 PD Power Down Control. When logic “high” (≥VCC-0.3V), all circuits are
operating; when logic “low” (≤0.5V), all circuits are turned off. The input
impedance of this pin is 10kΩ.
10 kΩ
PD
7
Rev A14 010622
7-5
5 Page | ||
| Páginas | Total 10 Páginas | |
| PDF Descargar | [ Datasheet RF2667.PDF ] | |
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