參數(shù)資料
型號(hào): TDA5670-5X
廠商: SIEMENS A G
元件分類(lèi): 消費(fèi)家電
英文描述: Video Modulator for FM/AM-Audio with PLL-Output
中文描述: SPECIALTY CONSUMER CIRCUIT, PDSO20
文件頁(yè)數(shù): 4/22頁(yè)
文件大?。?/td> 730K
代理商: TDA5670-5X
Semiconductor Group
4
TDA 5670-5X
Pin Definitions and Functions
Pin No.
1
2
3
4
5
6
7
8
9
10
11
12
13
Symbol
FM-Audio
V
REF
OSC-Input 1
OSC-Out 1
OSC-Ground
OSC-Out 2
OSC-Input 2
V
S
N.C.
PLL-Out 1
PLL-Out 2
Video
Video-Cap.
Function
AF-input for FM-modulation
Internal reference voltage (7.5 V)
Symmetrical oscillator input
Symmetrical oscillator output
Oscillator ground
Symmetrical oscillator output
Symmetrical oscillator input
Supply voltage (12 V)
Not connected
Symmetrical unmodulated oscillator output
Symmetrical unmodulated oscillator output
Video input with clamping
Connection for smoothing capacitor for video control
loop
Switch-over for positive and negative modulation
Symmetrical RF-output
Ground
Symmetrical RF-output
Video to audio carrier ratio adjustment and AF-input for
AM-modulation
FM-audio oscillator; symmetrical inputs for tank circuit
FM-audio oscillator; symmetrical inputs for tank circuit
14
15
16
17
18
Modulation
Output 2
Ground
Output 1
AM-Audio
19
20
FM-Audio OSC
FM-Audio OSC
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