High efficiency, wide dynamic range variable gain and power amplifier MMICs for wide-band CDMA handsets

IEEE Microwave and Wireless Components Letters

Volumn 11, Issue 1, 2001, Pages 13-15

  Hau, Gary ^a,b   Nishimura, Takeshi B ^a,b   Iwata, Naotaka ^a,b  

^a IEEE   (Japan)

^b NEC CORPORATION   (Japan)

Author keywords

High efficiency; Linear power amplifier; Linearization; MMIC; Predistortion

Indexed keywords

ADJACENT CHANNEL LEAKAGE POWER RATIO (ACPR);

ATTENUATION; CODE DIVISION MULTIPLE ACCESS; LINEARIZATION; PHASE SHIFT; POWER AMPLIFIERS;

MONOLITHIC MICROWAVE INTEGRATED CIRCUITS;

EID: 0035163937     PISSN: 15311309     EISSN: None     Source Type: Journal    
DOI: 10.1109/7260.905953     Document Type: Article

References (6)

1. 44% efficiency operation of power heterojunction FET at near pinch-off for 3.5 V wide-band CDMA cellular phones
2. 0.2 cc HBT power amplifier module with 40% power-added efficiency for 1.95 GHz wide-band CDMA cellular phones
3. A new GaAs variable-gain amplifier MMIC with a wide-dynamic-range and low-voltage-operation linear attenuation circuit
4. Wide-band CDMA highly-efficient heterojunction FET over wide range output power with DC-DC converter
5. A linearized power amplifier MMIC for 3.5 V battery operated wide-band CDMA handsets
6. Passive FET MMIC linearizers for C, X and Ku band satellite applications