RFX240

2.4GHz High Power 802.11n WLAN Linear Power Amplifier

Please note: RFX240 is being discontinued and is not recommended for new designs.

The RFX240 is high power, high linearity power amplifier implemented in CMOS process. The device is optimized to provide all functionality of transmit power amplification for IEEE 802.11b/g/n applications in the 2.4GHz frequency range.

The RFX240 provides 30dB gain and up to +26dBm linear output power with low EVM of <3% for 802.11n MCS7 HT40 signals. It has CMOS logic control, on-chip input impedance matching, as well as integrated RF decoupling for the power supply.

The RFX240 is assembled in a compact 3.0x3.0mm 16L-QFN package. It requires minimal external components to greatly simplify RF front-end implementation.

Data Sheets

Talk to Sales ECAD Model

Specifications

Product LifecycleObsolete

Frequency Range (GHz)

Test Frequency (GHz)

Gain Typ. (dB)30

Typ. P_OUT (dBm)25 @ -30dB EVM.

OIP3 (dBm)

P_{1 dB} (dBm)30

V_DD (V)3.6-5.5

Power Added Efficiency (%)

V_CC (V)

Quiescent Current Typ. (mA)210

Noise Figure Typ. (dB)

Package

Package (mm)3 x 3 x 0.55

Features

2.4GHz, Single Chip, Single-Die RF Power Amplifier
2.4GHz High Power PA with Low-Pass Harmonic Filter
802.11n MCS7 HT40 Support with <3% EVM up to +26dBm at 5V
High Gain of 30dB
High Transmit Signal Linearity Meeting Standards for OFDM and CCK modulation
Integrated Power Detector for Transmit Power Monitor and Control
Compatible with Low Voltage (1.2V) CMOS Control Logic or levels up to VDD
ESD Protection Circuitry on All Ports
DC Decoupled RF Ports
Internal RF Decoupling on All VDD Bias Pins
Very Low DC Power Consumption
Full On-chip Matching and Decoupling Circuitry
Minimal External Components Required
50-Ohm Input / Output Matching
3 x 3 x 0.55mm Small Outline QFN-16 Package with Exposed Ground Pad

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