參數資料
型號: TA2012N
廠商: Toshiba Corporation
英文描述: 3V AM / FM IF + MPX (For Digital Tuning System)
中文描述: 3V的調幅/調頻中頻盈豐(數字調諧系統(tǒng))
文件頁數: 8/21頁
文件大?。?/td> 1451K
代理商: TA2012N
TA8132AN / AF , TA2012N / F
2002-10-30
8
The gain loss of FM IF AMP
R2
0
10K
(Note)
IF
(10.7MHz)
20dB
1dB
M
1 / 8 IF
(1.3375MHz)
20dB
1dB
(Note)
In the condition of the 1 / 8 IF mode, it is
possible to set up R
2
=
(OPEN).
In the condition of IF mode, it is necessary to set up the value of R
2
under 10k
. When the R
2
is over
10k
it is feared that the mode is change to the 1 / 8 IF mode.
The gain loss of AM MIXER
R2
0
10K
16dB
1dB
4. AM low cut circuit
The AM low cut action is carried out by the bypass of the high frequency component of
the positive feedback signal at the AF AMP stage. The external capacitor: C
6
by passes this component.
The cut off frequency f
L
is determine by the internal resistance 22k
(typ.) and the
external capacitor C
6
as following;
1
L
In the case of the AM low cut function is not needed, set up the value of C
6
over 0.47μF.
In the condition of C
6
0.47μF, the frequency characteristic has flat response at the low frequency.
(Hz)
6
C
3
10
22
2
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TA8132AN 3V AM/FM IF+MPX (FOR DIGITAL TUNING SYSTEM)
TA2012 3V AM / FM IF + MPX (For Digital Tuning System)
TA8132 3V AM/FM IF+MPX (FOR DIGITAL TUNING SYSTEM)
TA8155FN REC/PB SYSTEM DUAL PRE-AMPLIFIER (1.5/3V USE)
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