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參數(shù)資料
| 型號： | TDA1581 |
| 廠商： | NXP Semiconductors N.V. |
| 英文描述： | Decoder for traffic warning VWF radio transmissions |
| 中文描述： | 解碼器交通血友病無線電傳輸警告 |
| 文件頁數(shù)： | 11/14頁 |
| 文件大小： | 115K |
| 代理商： | TDA1581 |
March 1992
11
Philips Semiconductors
Preliminary specification
Decoder for traffic warning (VWF) radio
transmissions
TDA1581T
FILTER INFORMATION
Gain
Amplifier conditions: G
o
>> G
v
and G
o
>> 2
×
Q
2
Recommended components
GENERAL EQUATION
C1 = C2 = C
C1 = C2 = C
R2 << R1
resonance frequency
ω
r
=
gain at
ω
=
ω
r
G
vr
=
quality
Q =
C1, C2
and
R1, R2, R3
or
C1, C2
and
R1, R2, R3
metallized polycarbonate film (MKC) capacitors;
±
5%
metal film (MR) resistors;
±
2%
metallized polyester film (MKT) capacitors;
±
5%
carbon film (CR) resistors;
±
2%
G
v
C1
--------p
p
p
×
R3
C1
C2
-------C1
R2
×
+
R1
R2
R3
C1
C2
×
×
--------------------R1
+
×
+
------------------------------------------C2
p
j
ω
and G
v
V
o
V
i
------
=
=
–
=
, in which
R1
R2
R2
×
+
R1
R3
C1
C2
×
×
×
---------------------------------1
C
R1
R2
R2
×
+
R1
R3
×
--------------------1
C R2
R3
×
--------------1
+
C1
C2
-------C2
R1
R3
×
1
2
R1
R3
×
1
2
R1
R3
×
C1
C2
C2
×
+
C1
R1
R2
+
R2
)
×
R3 R1
×
1
2
R1
R2
+
R2
)
×
R3 R1
1
2
R2
×
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