Features: • 3mmx3mm LNA/Mixer Solution• Adjustable LNA and Mixer Current/IIP3• Meets IMD Tests with Three Gain States/Two Logic Control Pins • Integrated TX LO Buffer Amplifier• Full ESD Protection on all PinsApplication• CDMA/JCDMA Cellular Systems• CDMA4...
RF2861: Features: • 3mmx3mm LNA/Mixer Solution• Adjustable LNA and Mixer Current/IIP3• Meets IMD Tests with Three Gain States/Two Logic Control Pins • Integrated TX LO Buffer Amplifi...
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Parameter |
Rating |
Unit |
Supply Voltage |
-0.5 to +5.5 |
VDC |
Input RF Levels |
+6 |
dBm |
Operating Ambient Temperature |
-40 to +85 |
|
Storage Temperature |
-40 to +150 |
The RF2861 is a receiver front-end for CDMA cellular applications, including JCDMA and CDMA450. RF2861 is designed to amplify and downconvert RF signals, using a three gain state LNA to obtain 17dB of stepped gain control. Features include digital control of LNA gain and power down mode, along with an integrated TX LO buffer amplifier. Another feature of the chip RF2861 is adjustable IIP3 of the LNA and mixer using off-chip current setting resistors to allow for minimum DC current consumption. Noise figure, IIP3, and other specs are designed to be compatible with the TIA/EIA 98D standard for CDMA cellular communications. The IC is manufactured on an advanced Silicon Germanium Bi-CMOS process and is in a 3mmx3mm, 16-pin, QFN.