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PDF RF2420 Data sheet ( Hoja de datos )
| Número de pieza | RF2420 | |
| Descripción | PROGRAMMABLE ATTENUATOR | |
| Fabricantes | RF Micro Devices | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de RF2420 (archivo pdf) en la parte inferior de esta página. Total 6 Páginas | ||
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RF2420
9 PROGRAMMABLE ATTENUATOR
Typical Applications
• Power Control in Communication Systems • Commercial and Consumer Systems
• CMOS Compatible Programmable
• Portable Battery-Powered Equipment
Attenuators
Product Description
The RF2420 is a multistage monolithic programmable
attenuator. The device is built using an advanced Gallium
Arsenide process technology and has an attenuation pro-
grammability over a 44dB range in 2dB steps. The atten-
uation is set by five bits of digital data. The input and
output of the device have a low VSWR 50Ω match. This
unit is intended for use in systems that require RF trans-
mit power control by digital means. Typical applications
are in dual mode IS-54/55 compatible cellular transceiv-
ers and TETRA systems. No negative supply voltages
are required.
0.157
0.150
-A-
0.008
0.004
0.393
0.386
0.018
0.014
0.050
8° MAX
0° MIN
0.244
0.229
0.034 0.009
0.016 0.007
0.068
0.053
NOTES:
1. Shaded lead is Pin 1.
2. All dimensions are excluding
mold flash.
3. Lead coplanarity - 0.005 with
respect to datum "A".
Optimum Technology Matching® Applied
Si BJT
üGaAs HBT
GaAs MESFET
Si Bi-CMOS
SiGe HBT
Si CMOS
RF IN 1
VDD 2
VDD 3
VDD 4
VDD 5
VDD 6
VDD 7
VDD 8
2 dB
4 dB
8 dB
10 dB
20 dB
16 G2
15 G4
14 G8
13 GND
12 GND
11 G10
10 G20
9 RF OUT
Package Style: SOIC-16
Features
• Single 3V to 6V Supply
• 0dB to 44dB Attenuation Range
• 4dB Insertion Loss
• 5-bit Digitally Controlled Attenuation
• Digitally Controlled Power Down Mode
• DC to 950MHz Frequency Range
Ordering Information
RF2420
Programmable Attenuator
RF2420 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
9
Rev A6 010720
9-9
1 page  
Evaluation Board Layout
Board Size 2.020” x 2.020”
Board Thickness 0.031”, Board Material FR-4
RF2420
9
Rev A6 010720
9-13
5 Page | ||
| Páginas | Total 6 Páginas | |
| PDF Descargar | [ Datasheet RF2420.PDF ] | |
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