Digital Attenuator Box RF2025

4-channel, 0.1-8 GHz, 0-96 dB, rack mount

Digitally controlled, this RF attenuator box only occupies one heigh unit in a 19″ rack. Apart from the compact design, it offers good attenuation accuracy, high dynamic range and speed.

The high performance of the attenuator box is obtained through a high precision attenuator design, along with extensive factory calibration procedures. Although the nominal setting is done with a 1 dB granularity, the actual attenuation is fed back from the attenuator. For the frequency range up to 6 GHz, this yields knowledge of the actual attenuation within +/-0.25 dB.

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Product Sheet

Applications

The RF2025 is intended for any testing where accurate RF power control is needed over a wide dynamic range. Typical applications include transmitter, receiver as well as system level testing of mobile, WLAN and Bluetooth devices:

  • During all phases of product development
  • For (pre-)conformance testing/homologation
  • Production testing / Quality assurance

Features

  • Four individually controlled RF channels
  • Attenuation setting through web-interface or API
  • 100 MHz to 8 GHz frequency range
  • Attenuation steps of 1 dB
  • Each channel individually calibrated
  • 0.5 dB attenuation accuracy (up to 6 GHz)
  • 2 W maximum input power
  • 19” rack mountable, 1U heigh

Specifications

Supply voltage 100-240 VAC, 50/60 Hz
Power consumption < 40 W
Operating frequency 100 MHz – 8 GHz
Impedance 50 Ohm
Input power (max) +33 dBm
Max DC at RF inputs 0 VDC
Return loss >10 dB (any port)
Insertion loss 7.5 dB (typical)
Attenuation step size 1 dB
Attenuation accuracy 0.5 dB (up to 6 GHz)
2 dB (6 to 8 GHz)
Attenuation range 6-96 dB @ 0.1-4 GHz
8-90 dB @ 4-6 GHz
12-80 dB @ 6-7 GHz
12-60 dB @ 7-8 GHz
X-channel isolation >100 dB
Dimensions 450x45x320 mm
Weight 3 kg
Connectors 50 ohm SMA(F)

Electrical Interfaces

Control Options

  • Web-interface, for manual operations
  • Textual (SCPI-like) API
  • Binary API

Ordering

  • RF2025 Attenuator Box

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