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Número de pieza | RF2609 | |
Descripción | CDMA/FM TRANSMIT AGC AMPLIFIER | |
Fabricantes | RF Micro Devices | |
Logotipo | ||
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Typical Applications
• CDMA/FM Cellular Systems
• Supports Dual-Mode AMPS/CDMA
• Supports Dual-Mode TACS/CDMA
RF2609
CDMA/FM TRANSMIT AGC AMPLIFIER
• General Purpose Linear IF Amplifier
• Portable Battery Powered Equipment
• Commercial and Consumer Systems
Product Description
The RF2609 is a complete AGC amplifier designed for
the transmit section of dual-mode CDMA/FM cellular
applications. It is designed to amplify IF signals while pro-
viding more than 84dB of gain control range. Noise Fig-
ure, IP3, and other specifications are designed to be
compatible with the IS-95 Interim Standard for CDMA cel-
lular communications. This circuit is designed as part of
the RFMD CDMA Chip Set, consisting of this Transmit IF
AGC Amp, a Transmit Upconverter, a Receive LNA/Mixer,
and a Receive IF AGC Amp. The IC is manufactured on
an advanced high frequency Silicon Bipolar process and
is packaged in a standard miniature 16-lead plastic SSOP
package.
Optimum Technology Matching® Applied
!Si BJT
GaAs HBT
GaAs MESFET
Si Bi-CMOS
SiGe HBT
Si CMOS
CDMA+ 1
CDMA- 2
GND 3
GND 4
GND 5
GND 6
GND 7
NC 8
GAIN
CONTROL
1 6 GC
1 5 VCC
1 4 VCC
1 3 VCC
1 2 GND
1 1 GND
1 0 OUT+
9 OUT-
.196
.189
.157
.150
1
.244
.228
8°MAX
0°MIN
.009
.025
.010
.004
.012
.008
.069
.053
.050 .010
.016 .008
Package Style: SSOP-16
Features
• Supports Dual Mode Operation
• -48dB to +42dB Gain Control Range
• IS-95 CDMA Compatible
• Monolithic Construction
• 12MHz to 175MHz Operation
• Miniature Surface Mount Package
Ordering Information
RF2609
CDMA/FM Transmit AGC Amplifier
RF2609 PCBA Fully Assembled Evaluation Board
10
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
Rev B3 000822
10-9
1 page RF2609
Evaluation Board Schematic
(Download Bill of Materials from www.rfmd.com.)
CDMA
SMA
50 Ω µstrip
J1
C1
5.1 pF
T1
C2
5.1 pF
L2
270 nH
P1-1
P1-3
P1
1 VCC
2 GND
3 GC
C3
0.01 µF
C4
0.01 µF
L1
270 nH
1
2
3
4
5
6
7
8
GAIN
CONTROL
16
15
C12
0.01 µF
R1
3.3 kΩ
P1-3
14
13 C10
0.01 µF
12
L4
11 100 nH
10
R2
9 1kΩ
C8
36 pF
C11
0.01 µF
P1-1
C9
20 pF
T2
OUT
WB3040
SMA
50 Ω µstrip
J2
2609400A
L3
100 nH
C5
36 pF
C6
0.01 µF
C7
20 pF
P1-1
10
Rev B3 000822
10-13
5 Page |
Páginas | Total 8 Páginas | |
PDF Descargar | [ Datasheet RF2609.PDF ] |
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