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CMA-545G1+ - Mini-Circuits

Description: SMT Low Noise Amplifier, 400 - 2200 MHz, 50Ω

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CMA-545G1+ - Mini-Circuits - PCB symbol
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CMA-545G1+ - Mini-Circuits PCB footprint - Other - Other - DL1721_2022
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3D Models
CMA-545G1+ - Mini-Circuits - 3D model - Other - DL1721_2022
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CMA-545G1+ Details

  • Manufacturer Part Number:

    CMA-545G1+

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • ECCN Code:

    EAR99

  • Manufacturer:

    Mini-Circuits

  • YTEOL:

    7.03

  • Additional Feature:

    HIGH RELIABILITY

  • Characteristic Impedance:

    50 Ω

  • Construction:

    COMPONENT

  • Gain:

    28.1 dB

  • Input Power-Max (CW):

    25 dBm

  • Mounting Feature:

    SURFACE MOUNT

  • Number of Functions:

    1

  • Number of Terminals:

    8

  • Operating Frequency-Max:

    2200 MHz

  • Operating Frequency-Min:

    400 MHz

  • Operating Temperature-Max:

    105 °C

  • Operating Temperature-Min:

    -55 °C

  • Package Body Material:

    CERAMIC

  • Power Supplies:

    5 V

  • RF/Microwave Device Type:

    WIDE BAND MEDIUM POWER

  • Supply Current-Max:

    186 mA

  • Surface Mount:

    YES

  • Technology:

    E-PHEMT

  • VSWR-Max:

    1.18

CMA-545G1+ Frequently Asked Questions (FAQs)

  • Mini-Circuits recommends a 4-layer PCB with a solid ground plane on the bottom layer, and a via-stitched ground plane on the top layer. The amplifier should be placed near the edge of the board to minimize noise coupling. A low-impedance path to ground is essential for the amplifier's input and output pins.
  • The CMA-545G1+ requires a bias voltage of 5V and a bias current of 120mA. Ensure that the bias voltage is well-regulated and noise-free, and that the bias current is set correctly using a resistor network or a dedicated bias circuit.
  • The CMA-545G1+ can handle input powers up to +10dBm without damage. However, for optimal performance and linearity, it's recommended to keep the input power below +5dBm.
  • To prevent oscillations, ensure that the amplifier is properly decoupled from the power supply using capacitors and resistors. Also, use a low-pass filter or a ferrite bead to isolate the amplifier from the power supply. Additionally, ensure that the PCB layout is well-designed and that there are no unintended feedback paths.
  • The CMA-545G1+ is rated for operation from -40°C to +85°C. However, for optimal performance and reliability, it's recommended to operate the amplifier within a temperature range of 0°C to +70°C.

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CMA-545G1+ Overview

Use the download button to access the CMA-545G1+ schematic symbol, PCB footprint, and 3D model.
To find more CAD model downloads similar to this part, try a partial part number search, like CMA-5, or try a keyword search, such as RF/Microwave Amplifiers

About Mini-Circuits

Mini-Circuits is a global leader in the design, manufacturing, and distribution of RF and microwave components and systems. The company's product portfolio includes a vast array of components such as amplifiers, mixers, splitters, couplers, filters, switches, and attenuators, among others. These components cover frequency ranges from DC to 65 GHz and beyond, serving applications in wireless communication, satellite communication, radar systems, test and measurement equipment, medical devices, and more.

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CMA-545G1+ Alternates

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Part Image PMA-545G1+ Mini-Circuits

Wide Band Medium Power Amplifier, 400MHz Min, 2200MHz Max, 1 Func, 3 X 3 MM, ROHS COMPLIANT, MICRO MINIATURE, PLASTIC, DQ849, MCLP, 8 PIN