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AS3977 Datasheet(PDF) 9 Page - ams AG

No. de pieza AS3977
Descripción Electrónicos  Multi-Channel Narrowband FSK Transmitter
PDF  47 Pages
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Fabricante Electrónico  AMSCO [ams AG]
Página de inicio  http://www.ams.com
Logo AMSCO - ams AG

AS3977 Datasheet(HTML) 9 Page - ams AG

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www.austriamicrosystems.com/AS3977
Revision 3.6
9 - 47
AS3977
Data Sheet - E l e c t r i c a l C h a r a c t e r i s t i c s
PSPE2
Spurious Emissions
excluding Harmonics
1
47-74MHz
87.5-118MHz
174-230MHz
470-862MHz (EN 300 220)
-54
dBm
Spurious Emissions
and Harmonics
1
at other frequencies < 1GHz
at
≥ 1GHz (EN 300 220)
-36
dBm
-30
ARIB
-29
fERROR
Output Frequency Error
With ideal crystal,
VSUP=2.0…3.6V,
TAMB=-40…85ºC
±1
ppm
868MHz Frequency Band Section, EN 300 220 is applicable
ΔFSK3
FSK Deviation
programmable (8bit)
Resolution of FSK Deviation (see Table 5)
0±64
kHz
PSPE3
Spurious Emissions
excluding Harmonics
1
47-74MHz
87.5-118MHz
174-230MHz
470-862MHz (@-10dBm radiated power)
-54
dBm
Spurious Emissions
and Harmonics
1
at other frequencies < 1GHz
at frequencies
≥ 1GHz
-36
dBm
-30
Phase noise @ 50 kHz
Charge pump setting: ICHP=50µA;
VSUP=2.0…3.6V,
TAMB=-40…85ºC
-78
dBc/Hz
Phase noise @ 250 kHz
-85
Phase noise @ 1 MHz
-89
915MHz Frequency Band Section, FCC part 15 is applicable
ΔFSK4
FSK Deviation
programmable (8bit)
Resolution of FSK Deviation (see Table 5)
0±64
kHz
PSPE4
Spurious Emissions
(max. –1dBm radiated fundamental
power)
1
216-960MHz
at frequencies > 960MHz and harmonics
-49
dBm
-41
1. These parameters will not be tested.
Table 5. Resolution of FSK Deviation
Symbol
Parameter
Conditions
Equation for Min. Resolution
Units
315MHz and 434MHz Frequency Band Section
ΔFSKres1
Resolution of FSK Deviation
1
For detailed information, See FSK
Deviation Setting and Frequency
Trimming on page 37
ΔF = (INT <8> +1).
Hz
868MHz and 915MHz Frequency Band Section
ΔFSKres2
Resolution of FSK Deviation
1
For detailed information, See FSK
Deviation Setting and Frequency
Trimming on page 37
ΔF = (INT <8> +1).
Hz
1. INT<8> refer to Register Settings
Table 6. Reference Frequency Generator and Micro Controller Clock Driver
Symbol
Parameter
Conditions
Min
Typ
Max
Units
Crystal Oscillator
Table 4. Block Specification (Continued)
Symbol
Parameter
Conditions
Min
Typ
Max
Units
f
REF
2
16
----------
f
REF
2
15
----------



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