參數(shù)資料
型號(hào): Si4123-BT
廠商: Electronic Theatre Controls, Inc.
英文描述: DUAL-BAND RF SYNTHESIZER WITH INTEGRATED VCOS FOR WIRELESS COMMUNICATIONS
中文描述: 雙波段射頻合成器集成的無線通信和VCO
文件頁數(shù): 20/34頁
文件大小: 713K
代理商: SI4123-BT
Si4133
20
Rev. 1.1
Auxiliary Output (AUXOUT)
The signal appearing on AUXOUT is selected by setting
the AUXSEL bits in the Main Configuration register
(Register 0).
The LDETB signal can be selected by setting the AUXSEL
bits to 11. This signal can be used to indicate that the IF or
RF PLL is about to lose lock due to excessive ambient
temperature drift and should be re-tuned.
Figure 18. Typical IF Output Voltage vs. Load Resistance at 550 MHz
Table 11. Power Down Configuration
PWDNB Pin
AUTOPDB
PDIB
PDRB
IF Circuitry
RF
Circuitry
PWDNB = 0
X
X
X
OFF
OFF
PWDNB = 1
0
0
0
OFF
OFF
0
0
1
OFF
ON
0
1
0
ON
OFF
0
1
1
ON
ON
1
x
x
ON
ON
0
50
100
150
200
250
300
350
400
450
0
200
400
600
800
1000
1200
Load Resistance (
)
O
LPWR=0
LPWR=1
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