SKY73134-11: Wideband PLL Frequency Synthesizer
■Description
▲The SKY73134-11 is a wideband integer-N frequency synthesizer 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 6.2 GHz. By applying internal VCO division by 1, 2, 3, 4, or 8, the output frequency range can be increased from 0.35 GHz to 6.2 GHz, monitored at the RF output.
▲The direct, non-divided internal VCO frequency can also be monitored at the bidirectional VCO pins. The VCO selection can be automatic based on the target RF output. The flexible SKY73134-11 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 SKY73134-11 is controlled by a bidirectional read/write serial to parallel interface.
▲The SKY73134-11 frequency synthesizer is manufactured with a BiCMOS 0.18 μm SiGe process and provided in a compact, 32-pin RF Land Grid Array (RFLGA).
■Features
▲Continuous frequency coverage: 0.35 to 6.2 GHz
▲Integer-N frequency synthesizer
▲Low phase noise VCO
▲Four integrated VCOs with automatic digital frequency calibration
▲Automatic VCO selection based on the target RF output
▲Programmable VCO division by 1, 2, 3, 4, or 8
▲VCO divide-by-three with 50% duty cycle
▲Integrated input/output RF buffer
▲Device provides both divided and direct VCO outputs
▲Programmable RF output power levels
▲Low RF output comparison spurs
▲Programmable 18-bit N-counter and 11-bit R-counter
▲Dual modulus 7 GHz pre scaler (selectable 16/17or 32/33)
▲Programmable charge pump current
▲Flexible configuration allows connection to external VCO or PLL
▲Bidirectional read/write three-wire serial to parallel interface
▲Digital lock detect
▲Digital output used as a loop filter component switch
▲Optional adjustment of the core, divider, and charge pump current by external resistor
▲Power supply: 3.3 V
▲Small, RFLGA(32-pin, 5 x 5 mm) package (MSL3, 260°C per JEDEC J-STD-020)
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Wideband PLL Frequency Synthesizer 、 wideband integer-N frequency synthesizer 、 synthesizer |
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[ Cellular base station systems ][ wireless communication systems ] |
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Datasheet |
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Please see the document for details |
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English Chinese Chinese and English Japanese |
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June 14, 2013 |
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201199H |
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2.6 MB |
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