Details, datasheet, quote on part number: ISL3084IR-TK
CategoryCommunication => Wireless => Wireless LAN
DescriptionPrism 5GHz Vco
CompanyIntersil Corporation
DatasheetDownload ISL3084IR-TK datasheet
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Features, Applications

The a 5GHz SiGe monolithic VCO circuit designed to simplify and reduce the cost and size of miniature wireless transceivers. A fully integrated VCO requiring no external elements such as inductors and varactors greatly simplifies low cost local oscillator synthesized applications. Included in this differential design is a low-power standby function and a stable process and temperature biasing operation. The ISL3084 is housed a 16 lead QFN package well-suited for PCMCIA and miniPCI board applications.


Single Supply. to 3.3V Frequency. 4.9GHz typical Fully Integrated/No External Varactors or Resonators Required Isolation Output Buffer/Reduced Load Pulling Differential Design/Reduced Spurs Digitally Controlled Power Down Mode QFN Package: - Compliant to JEDEC PUB95 MO-220 QFN - Quad Flat No Leads - Package Outline - Near Chip Scale Package footprint, which improves PCB efficiency and has a thinner profile


Systems Targeting IEEE802.11b, 11Mbps Standard Only required VCO function for Intersil PRISM3 chip set WLAN Applications. PCMCIA Wireless Transceivers


PIN NUMBER Paddle NAME VTUNE VCC PE OSCOSC+ FILTER CAP1 FILTER CAP2 GND N/A DESCRIPTION Input tuning voltage from loop filter. Sensitivity to external injected noise to KVCO. Careful noise-free layout recommended. Supply pins. Requires high quality capacitor RF decoupling. Phase noise behavior proportional to supply pushing specifications. Use good quality, low-frequency decoupling/filtering techniques. Power enable control pin: VCO enabled high. Differential VCO output. Terminate into 100 differential impedance. Terminate one end into 50 when single end output with equivalent loss of power. Use high quality.68F filter capacitor to ground. Use high quality.68F filter capacitor to VCC. Ground Floating paddle. Grounding is recommended.

CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures. 321-724-7143 | Intersil (and design) is a registered trademark of Intersil Americas Inc. Copyright Intersil Americas Inc. 2003. All Rights Reserved. All other trademarks mentioned are the property of their respective owners. PRISM is a registered trademark of Intersil Americas Inc. PRISM and design is a trademark of Intersil Americas Inc.

Supply Voltage. 3.6V Voltage on Any Other Pin. -0.3 to VCC +0.3V VCC to VCC Decouple. to +0.3V Any GND to GND. to +0.3V

Thermal Resistance (Typical, Note 1) JA (oC/W) JC (oC/W) QFN Package. 47 9 Junction Temperature (Plastic Package).150oC Maximum Storage Temperature Range. to 150oC For recommended soldering conditions see Tech Brief TB389.

CAUTION: Stresses above those listed in "Absolute Maximum Ratings" may cause permanent damage to the device. This is a stress only rating and operation of the device at these or any other conditions above those indicated in the operational sections of this specification is not implied.

NOTE: JA is measured in free air with the component mounted on a high effective thermal conductivity test board with "direct attach" features. JC, the "case temp" is measured at the center of the exposed metal pad on the package underside. See Tech Brief TB379.

PARAMETER Supply Voltage Supply Current @ 3.3V Power Down Supply Current Power Up Time, Filtering dependent Power Down Time CMOS Low-Level Input Voltage CMOS High-Level Input Voltage CMOS High- or Low-Level Input Current

VCC to 3.3V, Vtune operation from = 25oC TEST CONDITIONS Vtune = 0.5V Vtune = 1.35V Vtune = 2.2V MIN TYP MAX UNITS GHz MHz A MHz/V dBc/Hz dB deg_rms dBm MHz -

Tuning Voltage Temperature Coefficient Tuning Pin Input Leakage VCO Gain VCO Gain Temperature Coefficient Phase Noise

Vtune to 85oC Vtune = 2.0V Vtune = 1.35V Vtune to 85oC Offset 10kHz Offset 100kHz

Phase Noise Temperature Coefficient Integrated Phase Noise @ 5GHz. Output Power Supply Pushing Load Pulling Output VSWR

Offset to 1MHz Differential into 100 VCC = 2.7V3.3V, across Vtune range VSWR = 2:1 BALUM


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