DC - 50 GHz LNA / Driver

Part # TGA4840


Key Features

  • 100G low power driver
  • Adjustable output amplitude, 1 to 3 Vpp
  • Low additive RMS jitter, 500 fsec
  • Gain, 12 dB at 15 GHz
  • 3 dB bandwidth, 50 GHz
  • Low THD
  • Low DC power dissipation, 165 mW @ 1.6 Vpp at Vd = 3.3 V
  • Rise and fall times, 11 psec
  • Die size: 1.8 x 1.0 x 0.1 mm


The TriQuint TGA4840 is an optical modulator Linear driver amplifier designed for the CFPx 100 Gb/s optical markets.  The TGA4840 has 12 dB of gain and 1.6 Vpp output power and High BW of 50 GHz.

The TGA4840 provides Client side designers with system critical features such as: low power dissipation, high signal to noise ratio (SNR), fast rise and fall times, low output jitter.

The TGA4840 finish is lead-free. This part is RoHS compliant. Evaluation modules are available upon request.


Frequency (GHz) DC to 50
NF (dB) 2.5
Gain (dB) 12
Output IP3 (dBm) 14
P1dB (dBm)
Voltage (V) 3.3
Current (mA) 50
Package Style  Die
RoHS  Yes
Lead Free  Yes
Halogen Free  Yes

Product Documents

Typical Applications

Additional Information

Status Production