參數(shù)資料
型號(hào): TEA5757
廠商: NXP Semiconductors N.V.
英文描述: Self Tuned Radio STR
中文描述: 自調(diào)諧收音機(jī)可疑
文件頁(yè)數(shù): 15/32頁(yè)
文件大?。?/td> 172K
代理商: TEA5757
1999 Aug 26
15
Philips Semiconductors
Product specification
Self Tuned Radio (STR)
TEA5757; TEA5759
STEREO DECODER CHARACTERISTICS
V
i3(L + R)
= 155 mV; V
pilot
= 15.5 mV; f = 1 kHz; apply unmodulated RF signal of 100 mV to front-end to set radio to
maximum channel separation; soft mute off (S4 in position A); unless otherwise specified.
TUNING CHARACTERISTICS
SYMBOL
PARAMETER
CONDITIONS
MIN.
2
1.5
26
27
16
22
1
TYP.
MAX.
12
+1.5
1.0
2
10
UNIT
V
14/15
V
pilot(s)
V
pilot(m)
V
AF-L
/V
i3
(S+N)/N
THD
α
cs
α
19
α
38
α
AF output voltage
switch to stereo
switch to mono
MPX voltage gain
signal plus noise-to-noise ratio
total harmonic distortion
channel separation
carrier and harmonic suppression
160
8
5
74
0.5
30
32
21
30
1
0
6
mV
mV
mV
dB
dB
%
dB
dB
dB
dB
dB
dB
dB
V
pilot
= 15.5 mV (stereo)
19 kHz (200 mV) = 0 dB
38 kHz
V
i5
= 200
μ
V
V
i5
= 20
μ
V
V
i5
= 3
μ
V; V
14
= V
15
V
i5
= 1
μ
V; V
14
= V
15
stereo-blend
mute(s)
soft mute depth
SYMBOL
PARAMETER
CONDITIONS
α
3 dB
-point at V
i5
= 2
μ
V
S0 = 1; S1 = 1
S0 = 0; S1 = 1
S0 = 1; S1 = 0
S0 = 0; S1 = 0
α
3 dB
-point at V
i5
= 2
μ
V
S0 = 1; S1 = 1
S0 = 0; S1 = 1
S0 = 1; S1 = 0
S0 = 0; S1 = 0
α
3 dB
-point at V
i5
= 2
μ
V
FM mode
AM mode
WRITE-ENABLE = HIGH
MIN.
TYP.
MAX.
UNIT
V
FM
FM voltage levels
high (auto-store/search)
medium (auto-store/search)
low (auto-store/search)
nominal (preset mode/tuning indication)
AM voltage levels
high (auto-store/search)
medium (auto-store/search)
low (auto-store/search)
nominal (preset mode/tuning indication)
AFC voltage off mode
60
10
4
3
150
30
10
5
500
55
20
9
μ
V
μ
V
μ
V
μ
V
V
AM
400
50
32
25
1000
63
40
28
2500
80
50
40
μ
V
μ
V
μ
V
μ
V
V
AFC(off)
3
25
60
μ
V
μ
V
dB
mute(h)
hard mute depth
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