MAX9814 / MAX9812 Electret mikrofon erősítő modul Arduino

MAX9814/MAX9812 Electret Microphone Amplifier Module Board for Arduino

1. MAX9814 Electret Microphone Amplifier Board with AGC Function DC3.6V to 12V
Description:
1. Board size: 30mm*25mm
2. Operating voltage:DC3.6V to 12V
3. AGC switch: when you don't answer the jumper cap, AGC function is open, connected to the jumper cap is closed (with a jumper cap)
2. DC 3V-12V MAX9814 Electret Microphone Amplifier Board with AGC Function
Description:
With AGC function,for hearing aids,conference microphone,loudspeaker and other devices.The output can directly drive an ordinary 32 European headphones(if you need more output,it is necessary at the output plus a preamp or amplifier)(suitable for single 18650 battery or battery-powered mobile phone use)
Supply voltage:3V-12V(3V-4.2V connect VCC,4.3V-12V connect 2pin socket)
AGC switch:Plug in supporting the shorting cap AGC function OFF,no AGC insert shorting cap open.3. MAX9812L MINI Electret Microphone Amplifier for ArduinoDescription:
1. Size:15*10mm
2. Working voltage:3.3V-6V
4. MAX9812 Electret Microphone Amplifier Board 3V/5V/12V InputDescription:
1. Size:50*20mm
2. Working voltage:3V or 4V-12V
5. MAX9812 Voice Module The Microphone Amplifier3.3v/5v
Professional Microphone amplification IC, low output noise,high sensitivity, fixed gain 20dB, support 3.3V and 5V two power supply
Voltage:3-5V
OUT Output:The default output analog signals
Size: 20*11mm/0.78*0.43"
6.MAX9812L DC 3.6V-12V Electret Microphone Amplifier Microphone Amp Board
Description:
1.Size:25 x 20mm
2.Operating Voltage:DC 3.6V-12V
7. MAX9814 2.7V-5.5VDescription: 1. Supply Voltage: 2.7v-5.5v @ 3mA current
2. Output: 2Vpp on 1.25V bias
3. Frequency Response: 20Hz - 20 KHz
4. Programmable Attack and Release Ratio
5. Automatic gain, selectable max from 40dB, 50dB or 60dB
6. Low Input-Referred Noise Density of 30nV/
7. Low THD: 0.04% (typ)Package Included:1pcs x MAX9812/MAX9814 Electret Microphone Amplifier Board (de
401209926638/7 - ali110 (281)