ATEK MIDAS — RF & Microwave IC Design

ATEK1231

LF - 18 GHz 5-bit 31 dB Digital Step Attenuator Module

ReleasedProduct Datasheet

Key Features

  • Frequency Range LF - 18 GHz
  • Gain 4.3 dB @ 8 GHz
  • Attenuation Range 31 dB
  • Supply Vdd and Control from USB I/F
  • enclosure36.4 x 59.9 x 24.8 mm

Applications

  • Wideband Receivers
  • Telecommunication
  • Test Equipment
  • SATCOM
  • SDR

Architecture

ATEK1231 Block Diagram

ATEK1231 Block Diagram

ATEK1231 is a wideband 5-bit Digital Step Attenuator with 31 dB attenuation range. Attenuator frequency of operation goes down to Low Frequency close to DC and goes up to 18 GHz.

RF Input and Outputs are internally matched to 50 ohms for ease of use.

Attenuator is housed in custom milled metal enclosure with USB interface which allows simple control and the bias supply.

Custom package and module options are available upon request.

Technical Specifications

ParameterConditionMinTypicalMaxUnit
Frequency RangeLF18GHz
Insertion Loss0.01 GHz1.8dB
4 GHz3.1dB
8 GHz4.3dB
12 GHz5.5dB
18 GHz7.1dB
Attenuation Range0.01 GHz31dB
4 GHz30dB
8 GHz30dB
dB

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