SKY73212-11

1700-2000 MHz Diversity Downconversion Mixer with Integrated Integer-N PLL and VCO

Skyworks SKY73212-11 is a fully integrated diversity downconverter that includes a high linearity mixer, large dynamic range Intermediate Frequency (IF) amplifier, and a complete Voltage Controlled Oscillator (VCO), synthesizer, and Local Oscillator (LO) chain. Low loss RF baluns have also been included to reduce design complications and to lower system cost.

The SKY73212-11 features a 3rd Order Input Intercept Point (IIP3) of +24 dBm and a Noise Figure (NF) of 11 dB, which make the device an ideal solution for high dynamic range systems such as 2G/3G base station receivers.

The SKY73212-11 also includes a fully integrated wideband VCO/Integer-N frequency synthesizer. By applying internal VCO division, the output LO frequency can be set to the desired value while minimizing the phase noise.

The SKY73212-11 is controlled by a Serial Peripheral Interface (SPI) and is manufactured using a robust silicon BiCMOS process. The device has been designed for optimum long-term reliability. It is manufactured in a compact, 44-pin 10 x 6 mm Multi-Chip Module (MCM).

Designer Info

Talk to Sales ECAD Model

Specifications

Product LifecycleObsolete

Operating Frequency (MHz)1700-2000

IF Frequency (MHz)40-300

Power DownYes

ArchitectureDiversity

Modulator/ Up ConverterNo

Demodulator/ Down ConverterYes

Built-In LO DriversYes

Built-In PLL/VCOInteger-N

Conversion Gain9

IIP3 (dBm)24

NF (dB)11

V_CC (V)5

PackageMCM, 44-pin

Package (mm)10 x 6 x 1.05

Features

RF frequency range: 1700 to 2000 MHz
IF frequency range: 40 to 300 MHz
Conversion gain: 9 dB
IIP3: +24 dBm; OIP3: +33 dBm
Noise Figure: 11 dB
Integrated RF balun
High linearity IF amplifier
Integer-N frequency synthesizer
Low phase-noise VCO
Low RF output comparison spurs
Programmable 18-bit N-counter and 11-bit R-counter
Wide range of reference frequencies
Programmable charge pump currents
Flexible configuration that allows connection to an external VCO or PLL
Digital lock detector
Optional adjustment of the core, divider, and charge pump currents by external resistor
Power supply for mixer: 5 V; power supply for synthesizer: 3.3 V
Small, low-cost MCM (44-pin, 10 x 6 mm) SMT package (MSL3, 260 °C per JEDEC J-STD-020)

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