资料介绍
音频无线传输-红外发射电路www.cosmosic.cn
鸿宇半导体深圳办事处
IR LED的型号为 HSIR-325CP(圆头,发射距离较远但角度较 小)
HSIR-175CP(平头,角度较大但距离稍近)
HSIR-423CP(Φ3,直径和体积比较小)
HSIR-735CP(草帽状,高度比较低)
0755-81330088,26351435
HSIR-723CP(Φ3,直径和体积比较小,角度大)
R22,R23依输入是LINE OUT;PREAMP(620R) 或POWER AMPLIFIER(33R)而定
C3,C7为高音预强调(680P~102)依喜好而定
C2 10u/10v
R4 330R
R9 6K8
C11
1u
C15
2.2n
R18
R2
47
U3
78L05
D1 1N4148
JK3 DC12V/60mA
R11
5K1
C1
R23 33R-620R
820P
U1
NC 8
BA3308F
7 OP2
6K8
R14
12K
C13 220P
U2
HS2k118
C23
C26
56K
1 LIN VDD 16
C18 2n2
10u
100n
47u
D2 IR LED
D3 IR LED
J2 R IN
R5
47K
R7 10K
C8
1u
R22 33R-620R
C5 820P
R6 5K1
R8 330R
C6 10u/10v
www.cosmosic.cn
鸿宇半导体深圳办事处
0755-81330088,26351435
R22,R23依输入是LINE OUT;PREAMP(620R) 或POWER AMPLIFIER(33R)而定
R2
R14
5K1
C1
R23 33R-620R
820P
J1 L IN
R1
47K
R3 10K
C4