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參數資料
| 型號： | LMX9820 |
| 廠商： | National Semiconductor Corporation |
| 英文描述： | Bluetooth Serial Port Module |
| 中文描述： | 藍牙串行端口模塊 |
| 文件頁數： | 11/40頁 |
| 文件大小： | 567K |
| 代理商： | LMX9820 |
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Revision 1.0
11
www.national.com
L
6.0 Electrical Specifications
(Continued)
Table 15. Transmitter Performance Characteristics
Symbol
Parameter
Condition
Min
Typ
1
Max
Unit
P
OUT
RF
2
Transmit Output Power
2.402 GHz
-3
+1
+4
dBm
2.441 GHz
-3
+1
+4
dBm
2.480 GHz
-3
+1
+4
dBm
Power Density
Power Density
-4
1
2
dBm
MOD
F1
AVG
Modulation Characteris-
tics
Data = 00001111
140
165
175
kHz
MOD
F2
MAX3
Modulation Characteris-
tics
Data = 10101010
115
125
kHz
F2
AVG
/
F1
AVG4
Modulation Characteris-
tics
0.8
ACP
5
Adjacent Channel Power
(In-band Spurious)
+ 500 kHz
-20
dBc
| M - N | = 2
-50
-48
-20
dBm
| M - N | > 3
-53
-51
-40
dBm
P
OUT
2*f
o6
PA 2
nd
Harmonic
Suppression
Maximum gain setting:
f
0
= 2402 MHz,
P
out
= 4804 MHz
-77
dB
P
OUT
3*f
o3
PA 3
rd
Harmonic
Suppression
Maximum gain setting:
f
0
= 2402 MHz,
P
out
= 7206 MHz
-98
dB
Z
RFOUT7
RF Output Impedance/In-
put Impedance of RF Port
(RF_inout)
P
out
@ 2.5 GHz
50
Return Loss
8
Return Loss
-8
dB
1.
2.
3.
4.
5.
6.
Typical operating conditions are at 3.3V operating voltage and 25
o
C ambient temperature.
The output power is measured at the antenna port, including all front end losses for balun, TX/RX switch and filter.
F2max >
115 kHz for at least 99.9% of all
f2max.
Modulation index set between 0.28 and 0.35.
Not tested in production.
Out-of-Band spurs only exist at 2nd and 3rd harmonics of the CW frequency for each channel. Performance of the
radio is significantly better than BT 1.1 specification.
Reference Smith chart Figure 8 on page 13.
Reference chart Figure 9 on page 14.
7.
8.
Table 16. Synthesizer Performance Characteristics
1
Condition
Symbol
Parameter
Min
Typ
Max
Unit
f
VCO
t
LOCK
f
0
offset
f
0
drift
VCO Frequency Range
2402
2480
MHz
Lock Time
f
0
+ 20 kHz
During preamble
120
μs
Initial Carrier Frequency Tolerance
-75
0
75
kHz
Initial Carrier Frequency Drift
DH1 data packet
-25
0
25
kHz
DH3 data packet
-40
0
40
kHz
DH5 data packet
-40
0
40
kHz
Drift Rate
-20
0
20
kHz/50μs
t
D
-Tx
Transmitter Delay Time
From Tx data to anten-
na
4
μs
1.
Frequency accuracy dependent on crystal or oscillator chosen. Crystal/oscillator must have cumulative accuracy
specifications of not more than +20 ppm to meet the Bluetooth specification.
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相關代理商/技術參數 |
參數描述 |
|---|---|
| LMX9820A | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Bluetooth Serial Port Module |
| LMX9820ADEV | 制造商:Texas Instruments 功能描述:KIT DEV FOR LMX9820 |
| LMX9820ADONGLE/NOPB | 制造商:Texas Instruments 功能描述:KIT REF DESIGN FOR LMX9820 |
| LMX9820ASM | 制造商:Texas Instruments 功能描述:BLUETOOTH MODULE, SMD, 9820, FR4129 |
| LMX9820ASM/NOPB | 制造商:Texas Instruments 功能描述:IC MODULE BLUETOOTH 116-LTCC |
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