參數(shù)資料
型號(hào)： 935174080557
廠商： NXP SEMICONDUCTORS
元件分類： 接收器
英文描述： AM/FM, AUDIO SINGLE CHIP RECEIVER, PQFP44
封裝： SOT-307
文件頁數(shù)： 43/44頁
文件大?。?/td> 278K
代理商： 935174080557
2000 Feb 02
8
Philips Semiconductors
Product specication
Self Tuned Radio (STR)
TEA5757HL; TEA5759HL
To ensure that the search function operates correctly under all conditions the following search sequence must be applied:
Store the current frequency in the memory
Issue the search command
Wait for data valid and read the new frequency
If the new frequency is the same as the stored frequency, issue a preset step (e.g. 50 kHz) and start the search
sequence again.
TUNING CURRENTS FOR DIFFERENT CONDITIONS
Table 1
Tuning currents
BAND
SELECT
W1
(kHz)
W2
(kHz)
R
(kHz)
IA (A)
IB (A)
MIN.
TYP.
MAX.
MIN.
TYP.
MAX.
FM
25
200
12.5
2
2.5
3
54
80
100
MW
3
64
1
2
2.5
3
54
80
100
LW
1
64
1
2
2.5
3
54
80
100
SW
1
64
1
0.4
0.5
0.7
12
16
20
handbook, full pagewidth
MHB641
IB
IA
I9
fc
f
R
IA
IB
R
W1
W2
R
Fig.3 Tuning currents.
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