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16 Channels Keypad DTMF Generator Module Audio Encoder Transmitter Decoder
16 Channels Keypad DTMF Generator Module Audio Encoder Transmitter Decoder
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Operating Voltage : 5-24VDC
Power interface : 2.1mm x 5.5mm Female Male DC Power Plug
Audio interface : 2x 3.5mm audio jack socket
MCU input interface : 7x 2.54MM pin header,GND 5V D3 D2 D1 D0 STD
Size : 63*40*13mm
Weight : 16g
The AE11A04 DTMF tone generators are designed
for Dialing keyboard AND MCU interfaces. They can be instructed by a
MCU(OR Dialing keyboard ) to generate 16 dual tones from the Audio 1/2 . 16 dual tones is ''1234567890#*ABCD''
For more information, please contact us
Audio 1: This is a universal interface that connects most audio devices. For example: mobile audio interface, PC audio interface, DTMF decoder
Audio 2: This is a specific audio interface. Support the following products of our company: CE004 CE005 CE023 AD22B04 AD22A08


How to use:
1 Output DTMF tone through Dialing keyboard
2 Output DTMF tone through MCU control
DC Power Supply Voltage:4.5V-5.5V(Tup: 5V)
Operating Temperature : -40-+85 °C
IO Drive : Sink Current (Low level drive) 20mA,source current(High level drive) 270uA
16 Channel selectable high and low level output.
16 Channel output: 0-9,*# ABCD
8 kinds of Mode selection
PCB Size : 50x20MM
This decoding module is for mobile and fixed telephone voice dialing decoding function , has 16 channels, 8 kinds of selectable outputfunction, and leads to STD signal to use as a microcontroller interrupt signal, very convenient to embed all kinds for mobile and fixed telephoneremote remote control, remote control decoding key value.
12 channels outputs decode mobile and fixed telephone keys (0-9, * #).Another 4 channels output(ABCD) can use ''DTMF Dial'' Software control.
Mode selection (M0 M1 M2) |
Function |
Trigger level |
Illustrate |
(Default mode) Non-locking (Momentary ) |
High-level |
High level output, 1S later goes low level |
|
self-locking (Toggle) |
High-level |
Level inversion High level goes low, Low level goes high |
|
Inter-locking (Latch) |
High-level |
Interlock, it is maintained high level signal of output , until next output high level, then recover to low output level |
|
Delay 10S (Momentary ) |
High-level |
High level output, 10S later goes low level |
|
Non-locking (Momentary ) |
Low level |
Low level output, 1S later goes high level |
|
self-locking (Toggle) |
Low level |
Level inversion (After reset High level) High level goes low, Low level goes high |
|
Inter-locking (Latch) |
Low level |
Interlock, it is maintained low level signal of output , until next output low level, then recover to high output level |
|
Delay 10S (Momentary ) |
Low level |
Low level output, 10S later goes high level |
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