RMPA5255

RMPA5255 Datasheet

RMPA5255 GHz WLAN Linear Power Module

Part	Datasheet
RMPA5255	RMPA5255 (pdf)

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RMPA5255 GHz WLAN Linear Power Module September 2005 RMPA5255 GHz WLAN Linear Power Module • Full to GHz operation • 34 dB small signal gain • 230 mA total current at 18 dBm modulated power out • EVM at 18 dBm modulated power out • V collector supply voltage • Integrated power detector with 20 dB dynamic range • RoHS compliant 5 x 5 x mm leadless package • Internally matched to and DC blocked RF input/output • Internal DC bias de-coupling • Optimized for use in 802.11a applications The RMPA5255 power module is designed for high performance WLAN applications in the GHz frequency band. The 10 pin, 5 x 5 x mm package with internal matching on both input and output to and internal bias network components, allow for extremely integration. An onchip detector provides power sensing capability. The PA’s low power consumption and excellent linearity are achieved using our InGaP Heterojunction Bipolar Transistor HBT technology. Device Electrical Characteristics1 802.11a OFDM Modulation 176 µs burst time, 100 µs idle time 54 Mbps Data Rate, MHz Bandwidth Parameter Frequency Collector Supply Voltage Mirror Supply Voltage Mirror Supply Current Gain Total Current 18dBm Pout EVM 18dBm Pout2 Detector Output 18dBm Pout Detector Threshold3 Notes VCC = 3.3V, VPC = 2.9V, TA = 25°C, PA is constantly biased, system. Percentage includes system noise floor of EVM = POUT measured at PIN corresponding to power detection threshold. Units GHz V mA dB mA % mV 2005 Fairchild Semiconductor Corporation RMPA5255 GHz WLAN Linear Power Module Electrical Characteristics1 Single Tone Parameter Frequency Supply Voltage VCC Power Control Voltage VPC Gain Total Quiescent Current Bias Current at pin VPC2 P1dB Compression Current P1dB Compression Shutdown Current VPC = 0V Input Return Loss Output Return Loss Detector Output at P1dB Compression Detector Pout Threshold4 Turn-On Time3 Notes VCC = 3.3V, VPC = 2.9V, TA = 25°C, PA is constantly biased, system. Power Control bias current is included in the total quiescent current. Measured from Device On signal turn on, Logic Low to the point where RF POUT stabilizes to 0.5dB. POUT measured at PIN corresponding to power detection threshold. Functional Block Diagram GND 1 N/C PSense Voltage Detector

PDF Datasheet Preview

RMPA5255 GHz WLAN Linear Power Module

September 2005

RMPA5255 GHz WLAN Linear Power Module
• Full to GHz operation
• 34 dB small signal gain
• 230 mA total current at 18 dBm modulated power out
• EVM at 18 dBm modulated power out
• V collector supply voltage
• Integrated power detector with 20 dB dynamic range
• RoHS compliant 5 x 5 x mm leadless package
• Internally matched to and DC blocked RF
input/output
• Internal DC bias de-coupling
• Optimized for use in 802.11a applications

The RMPA5255 power module is designed for high performance WLAN applications in the GHz frequency band. The 10 pin, 5 x 5 x mm package with internal matching on both input and output to and internal bias network components, allow for extremely integration. An onchip detector provides power sensing capability. The PA’s low power consumption and excellent linearity are achieved using our InGaP Heterojunction Bipolar Transistor HBT technology.

Device

Electrical Characteristics1 802.11a OFDM Modulation
176 µs burst time, 100 µs idle time 54 Mbps Data Rate, MHz Bandwidth

Parameter

Frequency

Collector Supply Voltage Mirror Supply Voltage Mirror Supply Current

Gain

Total Current 18dBm Pout

EVM 18dBm Pout2

Detector Output 18dBm Pout

Detector Threshold3

Notes VCC = 3.3V, VPC = 2.9V, TA = 25°C, PA is constantly biased, system. Percentage includes system noise floor of EVM = POUT measured at PIN corresponding to power detection threshold.

Units

GHz V mA dB mA % mV
2005 Fairchild Semiconductor Corporation

RMPA5255 GHz WLAN Linear Power Module

Electrical Characteristics1 Single Tone

Parameter

Frequency

Supply Voltage VCC

Power Control Voltage VPC

Gain

Total Quiescent Current

Bias Current at pin VPC2

P1dB Compression

Current P1dB Compression

Shutdown Current VPC = 0V

Input Return Loss

Output Return Loss

Detector Output at P1dB Compression Detector Pout Threshold4 Turn-On Time3

Notes VCC = 3.3V, VPC = 2.9V, TA = 25°C, PA is constantly biased, system. Power Control bias current is included in the total quiescent current. Measured from Device On signal turn on, Logic Low to the point where RF POUT stabilizes to 0.5dB. POUT measured at PIN corresponding to power detection threshold.

Functional Block Diagram

GND 1

N/C PSense

Voltage Detector

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Datasheet ID: RMPA5255 634692