17-21 GHz L-Band Monolithic Low Noise RF Amplifier

SKU: CHA4253-FAB

Note : Your request will be directed to United Monolithic Semiconductors.

CHA4253-FAB Image

The CHA4253-FAB from United Monolithic Semiconductors is a Space Qualified RF Amplifier that operates from 17-21 GHz. It has a linear gain of 26 dB and P1dB value of 23.5 dBm. This low-noise amplifier has a gate length of 0.15 µm and requires a DC bias voltage of 4 V and a drain current of 230 mA. This medium power amplifier has an input return loss of 15 dB and an output return loss of 12 dB. It has a drain voltage of 4 V and an RF input power of 10 dBm. This SMD GaAs semiconductor has 20 leads and mount hermetic metal ceramic 6 x 6 mm² package. This RoHS-compliant amplifier is dedicated for a wide range of applicaations such as space, military, and commercial communication system.

Product Specifications

Product Details

  • Part Number
    CHA4253-FAB
  • Manufacturer
    United Monolithic Semiconductors
  • Description
    17-21 GHz L-Band Monolithic Low Noise RF Amplifier

General Parameters

  • Type
    Power Amplifier
  • Configuration
    IC/MMIC/SMT
  • Application
    Communication Systems
  • Frequency
    17 to 21 GHz
  • Gain
    26 dB (Linear)
  • P1dB
    0.224
  • IP3
    33 dBm
  • IP3
    1.996
  • Saturated Power
    0.281
  • Input Power
    10 dBm
  • Input Power
    0.01
  • Return Loss
    12 to 15 dB
  • Input Return Loss
    15 dB
  • Output Return Loss
    12 dB
  • Supply Voltage
    6 V (Drain)
  • Quiscent Current
    230 mA (Drain)
  • Transistor Technology
    pHEMT
  • Technology
    GaAs
  • Package Type
    Surface Mount
  • Package
    20 Leads SMD
  • Dimensions
    6 x 6 mm
  • Space Qualified
    Yes
  • Operating Temperature
    -40 to 85 Degree C
  • Storage Temperature
    -55 to 150 Degree C
  • RoHS
    Yes

Technical Documents

Space Missions - A list of all Space Missions

esa

Name Date
Altius 01 May, 2025
Hera 01 Oct, 2024
Arctic Weather Satellite 01 Jun, 2024
EarthCARE 29 May, 2024
Arctic Weather Satellite (AWS) 01 Mar, 2024
MTG Series 13 Dec, 2022
Eutelsat Quantum 30 Jul, 2021
Sentinel 6 21 Nov, 2020
OPS-SAT 18 Dec, 2019
Cheops 18 Dec, 2019

isro

Name Date
INSAT-3DS 17 Feb, 2024
XPoSat 01 Jan, 2024
Aditya-L1 02 Sep, 2023
DS-SAR 30 Jul, 2023
Chandrayaan-3 14 Jul, 2023
NVS-01 29 May, 2023
TeLEOS-2 22 Apr, 2023
OneWeb India-2 26 Mar, 2023
EOS-07 10 Feb, 2023
EOS-06 26 Nov, 2022

jaxa

Name Date
VEP-4 17 Feb, 2024
TIRSAT 17 Feb, 2024
CE-SAT 1E 17 Feb, 2024
XRISM 07 Sep, 2023
SLIM 07 Sep, 2023
ALOS-3 07 Mar, 2023
ISTD-3 07 Oct, 2022
JDRS 1 29 Nov, 2020
HTV9 21 May, 2020
IGS-Optical 7 09 Feb, 2020

nasa

Name Date
NEO Surveyor 01 Jun, 2028
Libera 01 Dec, 2027
Artemis III 30 Sep, 2026
Artemis II 30 Sep, 2025
Europa Clipper 10 Oct, 2024
SpaceX CRS-29 09 Nov, 2023
Psyche 13 Oct, 2023
DSOC 13 Oct, 2023
Psyche Asteroid 05 Oct, 2023
Expedition 70 27 Sep, 2023