參數(shù)資料
型號(hào): TA31275FN
元件分類(lèi): 接收器
英文描述: AM/FM, AUDIO SINGLE CHIP RECEIVER, PDSO24
封裝: 0.300 INCH, 0.65 MM PITCH, PLASTIC, SSOP-24
文件頁(yè)數(shù): 14/25頁(yè)
文件大?。?/td> 561K
代理商: TA31275FN
TA31275FN/ TA31275FNG
03-01-23
21
Reference Data (with a narrowband ceramic filter (150 k) used)
S/N and AMR RF Input Characteristics
(Dev
= ±20 k)
S/N and AMR RF Input Characteristics
(Dev
= ±40 k)
Waveform Shaping Output Duty Ratio –
Supply Voltage Characteristics
RF IN input level
V (RF) in
(dB
VEMF)
RF IN input level
V (RF) in
(dB
VEMF)
S
+N,
N,
AMR
(dB)
S
+N,
N,
AMR
(dB)
W
a
ve
form
shap
ing
outpu
t
d
u
ty
ratio
DR
(%)
Supply voltage
VCC (V)
AMR
70
20
10
0
20
60
100
120
10
20
30
40
50
40
80
N
S
+ N
0
60
VCC = 5 V
f (RF) in
= 314.9 MHz
fmod
= 600 Hz
f (Lo) in = 40.7 MHz
V (Lo) in = 100dBV
LOBS
= “H”
No SAW filter
<Meas point>
FILOUT at audio
analyzer
AMR
60
20
10
0
20
60
100
120
10
20
30
40
50
40
80
N
S
+ N
0
VCC = 5 V
f (RF) in
= 314.9 MHz
fmod
= 600 Hz
f (Lo) in = 40.7 MHz
V (Lo) in = 100dBV
LOBS
= “H”
No SAW filter
<Meas point>
FILOUT at audio
analyzer
Dev
= ±20
40
1
60
2
3
4
5
6
50
54
58
56
52
48
46
42
VCC = 5 V
f (RF) in
= 314.9 MHz
V (RF) in
= 20dBV
fmod
= 600 Hz
f (Lo) in = 40.7 MHz
V (Lo) in = 100dBV
LOBS
= “H”
No SAW filter
<Meas point>
DATA at oscilloscope
Dev
= ±40
44
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