參數(shù)資料
型號(hào): LA1787M
元件分類: 接收器
英文描述: AM/FM, AUDIO SINGLE CHIP RECEIVER, PQFP64
封裝: 14 X 14 MM, QFP-64
文件頁(yè)數(shù): 24/54頁(yè)
文件大?。?/td> 606K
代理商: LA1787M
Oscillator
Figure 11 shows the type of oscillator circuit used in this IC. It includes both an oscillator and an oscillator buffer.
No. 6655-30/54
LA1787M
5
4
VT
18pF
25pF
20pF
VCC
AM/FM
OSC BUFFER OUT
A12078
56
53
+
TO MIX
330
330
330
FM IF input
A12079
Figure 12 shows the type of FM first IF amplifier used in this IC. It is a differential single-stage amplifier.
Specifications
Input impedance: 330
Output impedance: 330
Gain: 20 dB
Fig. 11
Fig. 12
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