Avago has unveiled the MGA-31x89 series of SOT-89 0.25W
and 0.10W power amplifier gain blocks. These amplifier gain
blocks use Avago’s 0.25 µm GaAs Enhancement-mode
pHEMT semiconductor process. This series constitutes the
MGA-31189 and MGA-31289 0.25W and MGA-31389 and MGA-31489
0.10W gain blocks . The MGA-31189 and MGA-31389 serve applications
from 50 MHz to 2.0 GHz and the MGA-31289 and MGA-31489 from
1.5 GHz to 3.0 GHz, thus the MGA-31x89 series deliver high
performance across major cellular frequency bands including
GSM, CDMA, UMTS and next generation LTE bands.
These new amplifier gain blocks have a common footprint
and PCB layout and thus allows a single design to support
multiple frequencies and provides a wide choice of output
power. The devices feature high gain which can reduce the
total number of RF stages needed. Avago says that these
solutions feature high linearity, high gain, excellent gain
flatness and low power dissipation. Avago also says that
these gain block power amplifiers can replace existing market
solutions as a pin-to-pin, drop-in replacement offering
better linearity and power performance.
MGA-31189 and MGA-31389 Key Features (Typical values at
900 MHz)
• Superior Linearity Figure of Merit (LFOM): 14.5
dB (MGA-31189), 13.3 dB (MGA-31389)
• High output third-order intercept-point: 42 dBm (MGA-31189),
38.6 dBm (MGA-31389)
• High Gain: 21 dB gain (MGA-31189), 21.3 dB (MGA-31389)
• Gain flatness over a 100 MHz bandwidth: 0.1 dB (MGA-31189),
0.14 dB (MGA-31389)
• Low Noise Figure: 2 dB (MGA-31189), 2 dB (MGA-31389)
• High output power at 1 dB gain compression (P1dB):
24 dBm (MGA-31189), 22.2 dBm (MGA-31389)
• Low quiescent current at with single 5 V supply:
111 mA (MGA-31189), 73 mA (MGA-31389)
MGA-31289 and MGA-31489 Key Features (Typical values at
1900 MHz)
• Superior Linearity Figure of Merit (LFOM): 14 dB
(MGA-31289), 11.9 dB (MGA-31489)
• High output third-order intercept-point: 41.8 dBm
(MGA-31289), 37.2 dBm (MGA-31489)
• High Gain: 18.7 dB gain (MGA-31289), 21.3 dB (MGA-31489)
• Gain flatness over a 100 MHz bandwidth: 0.1 dB (MGA-31289),
0.15 dB (MGA-31489)
• Low Noise Figure: 2 dB (MGA-31289), 2.1 dB (MGA-31489)
• High output power at 1 dB gain compression (P1dB):
23.6 dBm (MGA-31289), 21.5 dBm (MGA-31489)
• Low quiescent current at with single 5 V supply:
124 mA (MGA-31189), 71 mA (MGA-31389)
Package:
RoHS compliant, halogen-free, SOT-89 plastic package with
dimensions of 4.5 x 4.1 x 1.5 mm.
Price:
0.25 W MGA-31189 and MGA-31289 are priced at each US$1.98
for 10,000 piece quantities.
0.10 W MGA-31389 and MGA-31489 are priced at each US$1.52
for 10,000 piece quantities.
Availability: Now
