将 1992 9
飞利浦 半导体 产品 规格
解码器 为 traffic 警告 (vwf) 无线电
传送
TDA1579
TDA1579T
过滤 信息
增益
放大器 情况: g
o
>> G
v
和 g
o
>> 2
⋅
Q
2
, 在 这个 p = j
ω
和 g
v
=.
推荐 组件
一般 等式 c1 = c2 = c
c1 = c2 = c
r2 < < r1
resonance 频率
ω
r
=
增益 在
ω
=
ω
r
−
G
vr
=
质量
Q=
c1, c2 metallized polycarbonate film (mkc) 电容;
±
5%
和
r1, r2, r3 metal film (mr) 电阻器;
±
2%
或者
c1, c2 metallized polyester film (mkt) 电容;
±
5%
和
r1, r2, r3 carbon film (cr) 电阻器;
±
2%
G
v
p
R1 C1
⋅
--------------------
p
2
p
C1 C2
+
R3 C1 C2
⋅⋅
---------------------------------
R1 R2
+
R1 R2 R3 C1 C2
⋅⋅⋅⋅
----------------------------------------------------------
++
-------------------------------------------------------------------------------------------------------------------
–=
V
o
V
i
------
1
R1 R2
⋅
R1 R2
+
----------------------
R3 C1 C2
⋅⋅⋅
-----------------------------------------------------------------
1
C
R1 R2
⋅
R1 R2
+
----------------------
R3
⋅
--------------------------------------------
1
CR2R3
⋅
-----------------------------
C2
C1 C2
+
----------------------
R3
R1
--------
⋅
1
2
---
R3
R1
--------
⋅
1
2
---
R3
R1
--------
⋅
C1 C2
⋅
C1 C2
+
------------------------
R3 R1 R2
+
()
R1 R2
⋅
--------------------------------------
⋅
1
2
---
R3 R1 R2
+
()
R1 R2
⋅
--------------------------------------
1
2
---
R3
R2
--------
⋅
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