參數(shù)資料
型號: TUA4401
英文描述: FM Receiver Circuit
中文描述: 調(diào)頻接收機(jī)電路
文件頁數(shù): 2/32頁
文件大?。?/td> 832K
代理商: TUA4401
Specification
TUA 4401
Semiconductor Group
3
1.6.99
IF amplification, demodulation and STS
- Low noise IF amplifier
- Gain adjust with DC control voltage or serial bus possible
- 7 stage IF limiter with extended fieldstrength range suitable for the IF frequency range of
10.7 MHz ... 21.4 MHz
- Fieldstrength DC output and ADC output available
- Low distortion coincidence demodulator (using short loop AFC principle) with MPX output
- Soft mute for weak signal conditions with adjustable bus controlled mute depth
- Multipath detector with high pass filter, analog output and ADC output
- IF counter for search tuning stop with selectable IF center frequency and window width
- STS informations -in window-,-below-,-beyond- available
SOCCAR Bus (S
iemens
O
ne
C
hip
CA
r
R
adio
Bus)
- I
2
C bus (2 wire, fast mode device with 400 kbit/s) and 3 Wire bus (3 or 4 wire) operation possible
- Bus interface with low threshold voltage Schmitt-Trigger inputs for interfacing 3V or 5V microprocessors
4
Pin Configuration
49
50
51
52
53
54
32
31
30
29
28
27
48 47 46 45 44 43
1
2
3
4
5
6
7
8
9
42 41 40
55
56
57
26
25
24
39 38 37
58
59
60
23
22
21
61
62
63
64
36 35 34 33
20
19
18
17
10 11 12 13 14 15 16
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