參數(shù)資料
型號: TDA5251F1
廠商: INFINEON TECHNOLOGIES AG
英文描述: ASK/FSK 315MHz Wireless Transceiver
中文描述: 詢價/ FSK信號315MHz的無線收發(fā)器
文件頁數(shù): 60/88頁
文件大小: 2086K
代理商: TDA5251F1
TDA5251 F1
Version 1.0
Application
Preliminary Specification
60
2003-02-18
Confidential
The DC offset compensation needs 2.2ms after Power On or Tx/Rx switch. This time is hard wired
and independent from external capacitors CC on pins 31 to 38. The maximum value for this
capacitors is 47nF.
RSSI accuracy settling time
= 2.2ms + 5*RC=2.2ms+5*37k*2.2nF=2.6ms
R - internal resistor; C - external capacitor at Pin 29
limiter_char.wmf
Figure 3-21
Limiter frequency characteristics
Table 3-11
Limiter Bandwidth
Cc
[nF]
220
100
47
22
10
f3dB
lower limit
[Hz]
100
220
470
1000
2200
f3dB
upper
limit
IQ Filter
- ll -
- ll -
- ll -
- ll -
Comment
setup time not guaranteed
setup time not guaranteed
Eval Board
v [dB]
f
0
80
IQ Filter
f
3dB
f
3dB
Limiter
lower limit
f
3dB
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