参数资料
型号: YD7738
厂商: Wuxi Youda electronics Co.,LTD.
英文描述: PREAMPLIFIER FOR PLAY OR RECORDER
中文描述: 前置放大器播放或记录仪
文件页数: 3/4页
文件大小: 96K
代理商: YD7738
YOUDA INTEGRATED CIRCUIT
YD7738
Pre Amplifier + Buffer Amplifier
Closed Loop Voltage Gain
Gv2
Pre-Amp: Gv=40dB
Buff-Amp: Gv=20dB
60
dB
Max. Output Voltage
Vo2
THD=3.0%
1.5
1.7
V
Equivalent Output Noise
Voltage
VNO2
Rg=0, Gv2=60dB
1.2
2.5
mV
ALC Effect
ALC1
VIN=
-60dBm~-20dBm
2
dB
ALC Range
ALC2
THD<1.0%
60
dB
Power Amplifier
Open Loop Voltage Gain
Gvo3
60
70
dB
Closed Loop Voltage Gain
Gv3
40
dB
RL=4Ω,THD=10%
0.8
0.96
Maximum Out Power
POM
Vcc=9V,RL=4Ω,
THD=10%
2.0
W
Output Noise voltage
VNO3
Rg=0,Gv=40dB
0.3
mV
APPLICATION CIRCUIT
1234
5
6
7
8
16
15
14
13
12
11
10
9
51k
Rf
6.2k
+
47μ
+
10μ
1000p
330Ω
680p
YD7738
0.082μ
SPEAKER
+
3.3μ
+
47μ
+ 1000μ
1k
560p
0.022μ
10k
+
3.3μ
+
100μ
+
330μ
560p
0.01μ
12k
27k
330k
220Ω
0.01μ
+
0.47μ
+
22μ
+
220μ
390k
5.6k
+
47μ
+
RADIO
MIC
R/P
BIAS
RECORDING EQ
TR
S1
S2
S3
S6
S
S5
RT
S
S4
HEAD
REC
ATT
Vcc
WuXi YouDa Electronics Co., Ltd
3 of 4
Website: www.e-youda.com
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