SKY73101-11

1930–1990 MHz High Performance VCO/Synthesizer With Integrated Switch

Skyworks SKY73101-11 Voltage-Controlled Oscillator (VCO)/Synthesizer is a fully integrated, high performance signal source for high dynamic range transceivers. The device provides ultra-fine frequency resolution, fast switching speed, and low phase noise performance for 2G, 2.5G, and 3G base station transceivers.

The SKY73101-11 VCO/Synthesizer is a key building block for high-performance radio system designs that require low power and a fine step size. Reference clock generators with an output frequency up to 52 MHz can be used with the SKY73101-11. A functional block diagram is shown in Figure 1. As indicated in this diagram, the reference frequency is divided down by 1, 2, 4, or 8 in the R1 divider, depending on the value of the reference divisor input (R1). Refer to the Reference Input Divider section (page 10) for more information.

The SKY73101-11 VCO/Synthesizer is provided in a compact, 38-pin Multi-Chip Module (MCM).

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Specifications

RF Output Frequency Range (MHz)1930-1990

Output Power (dBm)-10

Phase Noise @ 200 kHz (dBc/Hz)-112

Phase Noise @ 800 kHz (dBc/Hz)-139

Phase Settling Time (µS)300

Supply Voltage (V)5

Current Consumption (mA)120

PackageMCM, 38-pin

Package (mm)9 x 12 x 1.7

Features

Frequency operation range: 1930 to 1990 MHz
Process-tolerant compensation for VCO
24-bit ∑Δ fractional-N synthesizer
Ultra-fine frequency resolution of 0.001 ppm
Flexible reference frequency selection
Three-wire serial interface up to 20 MHz clock frequency
Integrated PLL supply regulation for spur isolation
MCM (38-pin, 9 x 12 mm) SMT package (MSL3, 260 °C per JEDEC J-STD-020)

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