RMPA1850 Quad Band GSM/GPRS Power Amplifier Module December 2004 RMPA1850 Quad Band GSM/GPRS Power Amplifier Module Features I Quad band, matched module I High efficiency- 55% GSM850/900, 50% DCS/PCS I Integrated power control function I I I I I Compact 7*10*1.
6mm module InGaP HBT technology GPRS class 12 capable Ruggedness 10:1 50 dB power control range General Description The RMPA1850 power amplifier module (PAM) is designed for GSM/GPRS cellular handset applications.
The PAM a fully input and output 50Ω matched.
It also includes integrated power control and band select.
Functional Block Diagram VCC2 12 DCS/PCS IN BAND SELECT TX EN VBAT VREG VRAMP GSM IN 1 2 3 4 5 6 7 Match Match Powe...

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