300/400MHz Band 20mW Power Amplifier

Data Sheet


  • Low Operating Voltage (2V to 5.5V)
  • Low Operating Current (20mA @ 0dBm input)
  • Power Gain (17dB @ - 30dBm input 13dB @0dBm input)
  • Saturation Output (14dBm @3dBm input)
  • Variable Power Gain Control (4dB)
  • Excellent Power Gain Thermal Stability (Gain Flatness ±1dB (- 40°C to + 85°C))
  • RF IN Input Impedance (70 ohm)
  • RF OUT Output Impedance (110 ohm)
  • Bipolar Technology
  • Package Outline (SOT-23-6-1)

General Description

The NJM2278 is a narrow band, small signal amplifier, especially designed for use as the final RF amplifier in 300MHz / 400MHz band transmitter. The amplifier produces an output power of up to 20mW at the desired frequency, which frequency and power are adjusted by external input and output matching circuits. It also features excellent thermal stability of power gain.

Package Information

Part Number Package Outline PLP Pins Terminal Finish Weight(mg) (Reference) Reflow soldering Flow soldering Iron soldering Packing Condition MSL Solder Foot Print
NJM2278F1 SOT-23-6-1 - 6 Sn2Bi 15 Yes Yes Yes Non dry pack 1

Sample & Buy

Part Number Packages Status Packing Specification Sample Buy
NJM2278F1 SOT-23-6-1 (Active) Contact Us Stock Check