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About AKM
AK2346A
NRND
Two-way Radio Audio Processor
Two-way Radio Audio Processor
NRND
Description
The AK2346A is an IC that integrates the baseband section of a wireless device with a built-in voice filter, limiter, splatter filter, emphasis, compander, confidential circuit, and MSK modem into a single chip. The AK2346A has a HPF for voice, shows a high attenuation rate below 250 Hz, and removes the sub audio signal of CTCSS. In addition, a total of four electronic volumes are provided at the first and final stages of the transmitter / receiver, and it is possible to automatically adjust the microphone sensitivity and the sensitivity of the modulator / demodulator under the control of the CPU. The AK2346A uses a small 24-pin QNF in the package, which is suitable for downsizing equipment.
Key Features
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One-chip baseband unit for radio.
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Equipped with 4 electronic volumes.
Applications
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Various wireless devices, etc.
Specifications
| Part Number |
AK2346A |
|---|---|
| Audio Filter (0.3 to 3.0kHz) |
Yes |
| Emphasis / Compandor |
Yes |
| Scrambler |
Yes |
| MSK Modem (1.2k / 2.4kbps) |
Yes |
| CTCSS | |
| DTMF Receiver | |
| 8bit DAC (Volume) | |
| Master Clock [MHz] |
14.7456 |
| Other | |
| Operating Temperature [℃] |
-40 to 85 |
| Device Package |
HWQFN |
| Number of Pins |
24 |
Product Information
| Part Status |
NRND |
|---|---|
| Pb Free |
Yes |
| Halogen Free |
No |
| MSL |
MSL2 |
| Packaging |
TAPE |
| Moisture Barrier Packaging |
Based on JEDEC J‑STD‑033 guidelines |
| Minimum Order Quantity [pcs.] |
1000 |
| Replacement P/N |
Block Diagram
