News | November 25, 2013

Mitsubishi Electric To Launch Four-Band Power Amplifier For W-CDMA And LTE Smartphones & Tablets

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Downsizes transmitters for high-frequency front-end circuitry in global-standard smartphones, tablets

Mitsubishi Electric Corporation announced recently to launch a new multi-band power amplifier for mobile phones and tablets, the BA012M1, which is compatible with four wireless frequency bands used commonly in Asia including Japan, the United States, Europe and other countries. Compatible with both W-CDMA and LTE network systems, the BA012M1 is a downsized power amplifier that will enable smaller-sized mobile devices. The initial production volume is three million units per month, with shipments starting on November 30. The BA012M1 will be exhibited at 2013 Microwave Workshops & Exhibition (MWE 2013) in PACIFICO YOKOHAMA exhibition complex, in Yokohama, Japan from November 27 to 29.

Various frequency bands have been introduced around the world to handle the growing volume of data traffic due to increased use of smartphones and tablets. Operation in various multiple countries requires a mobile device's transmitter to be integrated with multiple amplifiers to ensure compatibility with multiple frequencies. This is why the size of transmitters has become a key issue in mobile phone development.

Product Features

1. Four-frequency power amplifier helps reduce size of global-standard mobile devices

  • Power amplifier is compatible with 2.0GHz, 1.9GHz, 0.8GHz and 0.9GHz bands used in Asia including Japan, the United States, Europe and other countries
  • Small leadless package, measuring just 3.0mm x 4.2mm x 1.0mm, helps reduce transmitter size

2. High efficiency for reduced power consumption

  • Separate power modes for high and low output power
  • Industry-leading power added efficiency (PAE) rating of 46% at maximum output power

3. Integrated peripheral functions reduce number of peripheral parts

  • Gallium arsenide (GaAs) bipolar field effect transistors (BiFET) for easier integration
  • Integrated reference voltage generator and standby wake-up mode using digital signal
  • Directional coupler simplifies output-power monitoring

Other Features

  Frequency
[MHz]
High Power Mode Low Power Mode
Output
power
[dBm]
Gain
[dB]
Efficiency
[%]
Output
power
[dBm]
Gain
[dB]
Band 1 1920-1980 28.5 28.5 47 17 20
Band 2 1850-1910 28.5 28.5 47 17 20
Band 5 824-849 28.5 28.5 46 17 20
Band 8 880-915 28.5 28.5 46 17 20
Operating
voltages
Vcc1*1[V] 3.4 3.4
Vcc2*1 [V] 3.4 1.2
Venable*2[V] 1.8 1.8
Vmode*3[V] 0.0 1.8
 

*1 Supply voltage
*2 Control voltage for enable mode
*3 Control voltage for power mode

SOURCE: Mitsubishi Electric Corporation