Product category:
Communications ICs (Wireless)
News Release from: Cambridge Silicon Radio
Edited by the Electronicstalk Editorial
Team on 05 April 2006
FM and Bluetooth coexist at Las Vegas
show
CSR is demonstrating its BlueCore5-FM silicon at CTIA in Las Vegas.
CSR is demonstrating its BlueCore5-FM silicon at CTIA in Las Vegas When CSR announced BlueCore5-FM in September 2005 it was the first time Bluetooth and FM had been combined in a single chip
This article was originally published on Electronicstalk on 24 Aug 2001 at 8.00am (UK)
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BlueCore5-FM is the first product from CSR's roadmap to integrate broadcast technology into single-chip Bluetooth devices.
By integrating the FM radio with Bluetooth silicon, handset designers will be able to offer this feature using less space on the circuit board (PCB), fewer analogue components and at lower cost to the bill of materials (BOM).
BlueCore5-FM offers data transfer rates of up to 3Mbit/s and low power 1.8V operation.
A fully featured FM radio is also incorporated on the compact WLCSP or 6 x 6mm VFBGA package.
The FM radio is integrated using a low IF receiver architecture, followed by a DSP (digital signal processor) based demodulator with interference suppression to ensure there is no conflict between the FM and Bluetooth radios.
CSR will demonstrate the capabilities of its BlueCore5-FM technology at CTIA, Las Vegas, until 7th April 2006, in Hall N3, Stand 4725.
The first demonstration will show that the FM and Bluetooth radios can work simultaneously without interference or degradation in performance.
The FM radio will play through either stereo speakers or a wired headset whilst the EDR Bluetooth link will transfer a large file from the host to another Bluetooth-enabled device.
The second demonstration will show stereo music received by the FM radio being successfully streamed over a Bluetooth connection to a pair of stereo headphones.
By using a DSP-based solution, there is no need for any external analogue components such as IF filters and the silicon implementation involved in adding the FM functionality to the die is very small.
Therefore the cost of adding FM functionality to a handset is minimal and less physical space is taken in the PCB design for the same level of performance.
In addition, the BlueCore5-FM design can be scaled to lower CMOS geometries in the future, thus further lowering cost and extending the ability to integrate the device into smaller designs.
In terms of performance, the DSP also ensures that the FM receiver can identify and remove any signals generated by on-chip noise sources, thereby maintaining the quality of the FM reception.
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