BK4832 is a high gain and high efficiency power amplifier design for 400MHz ~480MHz & 130MHz~180MHz walkie-talkie application. This power amplifier can deliver +27dBm output power with 47% power added efficiency at 409MHz under +4.5V supply voltage. The small signal gain can be set as high as to 40dB. Dies are manufactured in an advanced HBT technology and housed in a surface mounted package. The package of this chip is 3mmx3mm DFN with 10 pins. Dies are also available for COB or SiP package.
Features
+3V~ +6.5V supply voltage
Wide band: 400MHz~ 480MHz
130MHz~ 180MHz
High small signal gain 40dB
Typical input power 0dBm
Output power +23dBm ~ +30dBm
Typical output power：+27dBm @ Vcc= 4.5V +29dBm @ Vcc= 6.0V
Power added efficiency 47%
Low leakage current <1uA
3x3 mm 10-pin DFN package
Applications
FRS、GMRS Handsets
Long Distance Remote Control
Remote Meter Reading
