Digital Variable Gain Amplifier

Part # TQM829007


Key Features

  • 0.6 to 1.0 GHz frequency range
  • 31.5 dB maximum gain at 0.9 GHz
  • 31.5 dB gain range in 0.5 dB Steps
  • +40.0 dBm Output IP3
  • +24.3 dBm Output P1dB
  • 2.1 dB noise figure at max. gain state
  • Fully internally matched module
  • Integrated blocking capacitors, bias inductors
  • 3-wire SPI control programming


The TriQuint TQM829007 is a digital variable gain amplifier (DVGA) featuring high linearity performance in a fully integrated module. The amplifier module features the integration of a low noise amplifier gain block, a digital-step attenuator (DSA) along with a high linearity 0.25 Watt amplifier. The module has the added features of integrating all matching components with bias chokes and blocking capacitors. The internal DSA offers 0.5 dB step, 6-bit and 31.5 dB range and is controlled with a serial periphery interface (SPITM).

The TQM829007 features variable gain from 0 to 31.5 dB at 0.9 GHz, has +40 dBm Output IP3, and +24.3 dBm P1dB. The amplifier also has a very low 2.1 dB Noise Figure (at maximum gain) allowing it to be an ideal DVGA for both receiver and transmitter applications. The amplifier operates from a single +5 V supply and is available in a compact 28-pin 6 x 6 mm leadless surface mount package.


Frequency (MHz) 600 to 1,000
Attenuation Range (dB) 31.5
Gain (dB) 31.7
P1dB (dBm) 24.3
Output IP3 (dBm) 40
NF (dB) 2.1
Voltage (V) 5
Current (mA) 174
Package (mm) 6 x 6
RoHS  Yes
Halogen Free  Yes

Typical Applications

Additional Information

Status Production