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參數資料
| 型號： | TUA4300G |
| 廠商： | SIEMENS A G |
| 元件分類： | 接收器 |
| 英文描述： | AM/FM, AUDIO SINGLE CHIP RECEIVER, PQFP64 |
| 封裝： | MQFP-64 |
| 文件頁數： | 3/38頁 |
| 文件大小： | 393K |
| 代理商： | TUA4300G |
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FS: 04/93
Page 12
1)
Multipath detector rectifier capacitor
2)
Analog multipath detector output
3)
AM seek mode switch; AM IF counter on, 2nd mixer gain high,
AM-AGC fast and AM AF mute
4)
AM-IF counter output for search tuning
5)
Ground IF and stereodecoder section
6)
FM limiter input bias decoupling capacitor
7)
FM limiter input
8)
AM AGC amplifier bias decoupling capacitor
9)
AM AGC amplifier input
10)
AM AGC amplifier bias decoupling capacitor
11)
2nd AM mixer outputs (open collector)
12)
2nd AM mixer outputs (open collector)
13)
AM AGC amplifier time constant capacitor
14)
Oscillator input for 2nd AM mixer
15)
Oscillator input for 2nd AM mixer
16)
2nd AM mixer bias decoupling capacitor
17)
2nd AM mixer input
18)
10.7 MHz IF amplifier output AM (open collector)
19)
10.7 MHz IFamplifier output FM
20)
AM prestage AGC buffered voltage output with fast attack, slow decay feature
21)
FM prestage AGC current output for PIN diode
22)
10.7 MHz IF amplifier operation point
23)
10.7 MHz IF amplifier input AM
24)
AM 1st local oscillator divider control for dividing by 10 for long wave and
medium wave receiving or dividing by 8 for short wave receiving
25)
Supply voltage RF section
26)
Ground RF section
27)
FM mixer outputs (open collector)
28)
FM mixer outputs (open collector)
29)
AM mixer outputs (open collector)
30)
AM mixer outputs (open collector)
31)
AM prestage AGC time constant capacitor
32)
FM prestage AGC time constant capacitor; output for MOS FET Gate 2
33)
AM 1st mixer symmetrical inputs
SIEMENS AG
IC-SPECIFICATION
TUA 4300 G
–––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––
Pin Description
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The reproduction, transmission or use of this document or its contents is not permitted without express written authority. Offenders will be liable for damages. All rights, including rights created
by patent grant or registration of a utility model or design, are reserved.
HL DOK
V66047-S695-G100-G1
12.11.96
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