Telecoms, Datacoms, Wireless, IoT


Wideband PLL frequency synthesiser

26 May 2010 Telecoms, Datacoms, Wireless, IoT

The SKY73134 from Skyworks is a wideband integer-N frequency synthesiser with an approximately 6 GHz locking range.

The device includes four differential voltage controlled oscillators (VCOs), which cover the output frequency range from 2,8 GHz to 5,6 GHz. By applying internal VCO division by 1, 2, 3, 4 or 8, the output frequency range can be increased from 0,375 GHz to 5,6 GHz, monitored at the RF output.

The direct, non-divided internal VCO frequency can also be monitored at the bi-directional VCO pins. The VCO selection can be automatic based on the target RF output. The flexible configuration allows the loop to be locked by an external VCO or external phase locked loop (PLL), or the device can use the divider chain only. The SKY73134 is controlled by a bi-directional read/write serial-to-parallel interface. It is manufactured with a BiCMOS 0,18 μm SiGe process and provided in a compact, 32-pin RF land grid array (RFLGA).

For more information contact Larry Gordon, CST Electronics, +27 (0)11 608 0070, sales@cstelectronics.co.za, www.cstelectronics.co.za



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