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CC1021 Datasheet(PDF) 3 Page - Texas Instruments

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Part No. CC1021
Description  Single Chip Low Power RF Transceiver for Narrowband Systems
Download  92 Pages
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Maker  TI [Texas Instruments]
Homepage  http://www.ti.com
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CC1021 Datasheet(HTML) 3 Page - Texas Instruments

 
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CC1021
SWRS045
Page 3 of 91
13.
Transmitter...................................................................................................................44
13.1.
FSK Modulation Formats ................................................................................44
13.2.
Output Power Programming ...........................................................................44
13.3.
TX Data Latency .............................................................................................45
13.4.
Reducing Spurious Emission and Modulation Bandwidth ..............................46
14.
Input / Output Matching and Filtering .......................................................................46
15.
Frequency Synthesizer ...............................................................................................50
15.1.
VCO, Charge Pump and PLL Loop Filter .......................................................50
15.2.
VCO and PLL Self-Calibration ........................................................................51
15.3.
PLL Turn-on Time versus Loop Filter Bandwidth ...........................................52
15.4.
PLL Lock Time versus Loop Filter Bandwidth ................................................53
16.
VCO and LNA Current Control...................................................................................53
17.
Power Management.....................................................................................................54
18.
On-Off Keying (OOK)...................................................................................................56
19.
Crystal Oscillator.........................................................................................................58
20.
Built-in Test Pattern Generator ..................................................................................59
21.
Interrupt on Pin DCLK.................................................................................................60
21.1.
Interrupt upon PLL Lock..................................................................................60
21.2.
Interrupt upon Received Signal Carrier Sense ...............................................60
22.
PA_EN and LNA_EN Digital Output Pins ..................................................................60
22.1.
Interfacing an External LNA or PA..................................................................60
22.2.
General Purpose Output Control Pins ............................................................61
22.3.
PA_EN and LNA_EN Pin Drive.......................................................................61
23.
System Considerations and Guidelines ...................................................................61
24.
PCB Layout Recommendations.................................................................................63
25.
Antenna Considerations.............................................................................................64
26.
Configuration Registers .............................................................................................64
26.1.
CC1021 Register Overview ............................................................................65
27.
Package Description (QFN 32) ...................................................................................85
27.1.
Package Marking ............................................................................................86
27.2.
Recommended PCB Footprint for Package (QFN 32) ...................................87
27.3.
Package Thermal Properties ..........................................................................87
27.4.
Soldering Information......................................................................................87
27.5.
Plastic Tube Specification...............................................................................88
27.6.
Carrier Tape and Reel Specification...............................................................88
28.
Ordering Information...................................................................................................88
29.
General Information ....................................................................................................89
30.
Address Information ...................................................................................................91


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