L3305 View Datasheet(PDF) - Unisonic Technologies
Part Name
Description
Manufacturer
L3305 Datasheet PDF : 6 Pages
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L3305
TEST CURICT
LINEAR INTEGRATED CIRCUIT
10μ 10μ
820
VI
20k
0.1μ
1kHz
RIN
3.9k
220
RF
200k
1
14
10μ
2
13
3
12
4
11
UTC L3305
5
10
6
9
7
8
10μ
VB = 1.30 VDC
RB
4.7
VO
0.1μ
10μ
HAMMOND
99966
RL= 470Ω
0.1μ
VC
10k
0.1μ 0.1μ
Note: 1. Test Circuit Amplifier Gain = 20 Log10 ( VOUT / VIN ) + 40dB
2. Preamp Gain = RF set at 35dB
RIN
Fig. 1 Test Circuit
10μ
MIC
0.1μ
1
2
6.8μ
3
4
5
6
0.1μ
7
220k
14
13
12
UTC
L3305 11
10
9
8
N/C
6.8μ
10μ
N/C
10k
0.1μ
0.1μ
Fig. 2 Typical Hearing Aid Circuit
0.1μ
Receiver 400Ω
Impedance
VB = 1.30 VDC
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
5 of 6
QW-R107-052,A
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