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AS3977 数据表(PDF) 31 Page - ams AG

部件名 AS3977
功能描述  Multi-Channel Narrowband FSK Transmitter
PDF  47 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
制造商  AMSCO [ams AG]
网页  http://www.ams.com
标志 AMSCO - ams AG

AS3977 数据表(HTML) 31 Page - ams AG

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www.austriamicrosystems.com/AS3977
Revision 3.6
31 - 47
AS3977
Data Sheet - A p p l i c a t i o n I n f o r m a t i o n
Modulation and Power Amplifier section
I<7:0>
GFCS
<7:0>
application dependent
Gaussian filter clock setting
I<15:8>
DF<7:0>
application dependent
FSK deviation setting
J<0>
GFBP
0
Gaussian filter bypass
0: not bypassed
1: bypassed
J<1>
REGEN
1
0: Turn off the VDD RF Regulator
1: Turn on the VDD RF Regulator
J<5:2>
-
0000
reserved Bits: set to Binary 0000 for normal mode of
operation
J<6>
reserved
0
reserved Bit should be set to 0
J<10:7>
ATCPH
<3:0>
0000
Antenna tuning circuit phase shift setting
0 (0000): minimum capacitor
:
:
15 (1111): maximum capacitor
J<12:11>
RPAOV1
<1:0>
11
PA voltage regulator setting 1
0 (00): VREG=1.7V
1 (01): VREG=1.8V
2 (10): VREG=1.9V
3 (11): VREG=2.0V
J<14:13>
PAOP1
<1:0>
application dependent
Power amplifier power level setting 1
0 (00): maximum power
:
3 (11): minimum power
J<15>
PREOP1
<4:0>
application dependent
Preamplifier power level setting 1
0 (00000): power off
1 (00001): minimum power
:
31 (11111): maximum power
K<3:0>
K<4>
FSK1
0
Modulation type selection 1
0: FSK
1: reserved for test purposes only
K<5>
LT
0
Lock transmit, active=high
K<6>
LS
0
Low power supply indicator, active=high
K<8:7>
RPAOV2
<1:0>
11
PA voltage regulator setting 2
0 (00): VREG=1.7V
1 (01): VREG=1.8V
2 (10): VREG=1.9V
3 (11): VREG=2.0V
K<10:9>
PAOP2
<1:0>
application dependent
Power amplifier power level setting 2
0 (00): maximum power
:
3 (11): minimum power
Table 23. Configuration Registers Description
Register
Name
Default Value
Description



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