SKY73212-11

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


Please note: SKY73212-11 is being discontinued and is not recommended for new designs.



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).

Specifications

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
VCC (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)

Product Documents