Ipad 3 modem chip
Hi,
I would appreciate if someone tell me which modem is used in iPad 3. I mean full chip specification. Google does not know correct answer.
Thanks in advance.
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The term Modem is generically used for a device that converts from one method to another method of transmission (Modulate - Demodulate).
Technically, the iPad doesn't have such a device. What the iPad has is a combo transmitter / receiver chip:
Broadcom BCM4330 802.11a/b/g/n MAC/baseband/radio with integrated Bluetooth 4.0+HS and FM transceiver
While you can configure the iPad to act as a modem to tie-in a WiFi device to it's cellar connection to share it (just like you can do with your iPhone) or your bluetooth headset to your Skype connection over a cellar connection. It does not have a separate chip for this function.
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Oleg, take a look at the teardown on here. It does list all the IC's used. You can then identify the specs by the manufacturer.
UPDATE
Get the Datasheet for the BCM4330 from here. I attached the schematic showing the pinout of the IC on the iPad. Hope this helps.
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iPad 3 cellular version does have a MDM9600 data modem. Technically it is called baseband. It is a standalone system-on-chip that handles cellular protocols, signal processing, GPS etc. it is relatively independent from the rest of the device. It has its own PCB, PM chip and firmware.
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Is there a way to update it or dowload a fix?? Wont recognize Sim card or connect to internet
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