R&S®ZRC SWR bridge, 40 kHz to 4 GHz, 50 Ω

Measurement of reflection coefficient from 40 kHz to 4 GHz

Key facts

  • Very wide frequency range
  • High directivity
  • Good matching characteristics
  • Rugged design
  • Calibration accessories included
  • Characteristic impedance 50 Ω or 75 Ω (up to 2.5 GHz)

Brief description

The SWR Bridge R&S®ZRC is used to measure the magnitude and phase of the reflection coefficient of RF circuits and components such as filters, amplifiers, mixers and antennas. The output signal from the test generator is applied to the DUT via the SWR bridge.

Specifications

Characteristic impedance 50 Ω 75 Ω
Frequency range 40 kHz to 4 GHz 40 kHz to 2.5 GHz

Key facts

  • Very wide frequency range
  • High directivity
  • Good matching characteristics
  • Rugged design
  • Calibration accessories included
  • Characteristic impedance 50 Ω or 75 Ω (up to 2.5 GHz)

Brief description

The SWR Bridge R&S®ZRC is used to measure the magnitude and phase of the reflection coefficient of RF circuits and components such as filters, amplifiers, mixers and antennas. The output signal from the test generator is applied to the DUT via the SWR bridge. Depending on the reflection coefficient r of the DUT, part of the signal is reflected to the bridge and then routed to the receiver, where it is detected and displayed.

A shopen (short circuit/open circuit) and a match that can be used for calibration and verification of nominal data are part of the equipment supplied. A connector adapter that can directly connect the bridge to a test generator without the use of cables is also supplied.

Specifications

Characteristic impedance 50 Ω 75 Ω
Frequency range 40 kHz to 4 GHz 40 kHz to 2.5 GHz
Directivity
  up to 2.5 GHz
  2.5 GHz to 3 GHz
  3 GHz to 4 GHz
 
≥40 dB
≥40 dB
≥36 dB
 
≥40 dB

Return loss at test port
  up to 400 kHz
  400 kHz to 2.5 GHz
  2.5 GHz to 3 GHz
  3 GHz to 4 GHz
 
≥12 dB + 11 dB · log (f/40 kHz)
≥23 dB
≥23 dB
≥20 dB
 
≥8 dB + 12 dB · log (f/40 kHz)
≥20 dB

Measurement error
  up to 400 kHz
  400 kHz to 2.5 GHz
  2.5 GHz to 3 GHz
  3 GHz to 4 GHz
 
≤0.01 + s · |r|2
≤0.01 + 0.07 · |r|2
≤0.01 + 0.07 · |r|2
≤0.016 + 0.01 · |r|2
 
≤0.01 + s · |r|2
≤0.01 + 0.1 · |r|2

Insertion loss at 5 MHz
  Total
  Input → test port
  Test port → output
 
13 dB
7 dB
6 dB
General data
Power-handling capacity 0.5 W
Operating temperature range 0°C to +55°C
Storage temperature range –40°C to +70°C
Connectors N female
Test port connector N female or N male
Dimensions without connectors 72 mm × 77 mm × 23 mm
Length of connectors female 17 mm, male 19 mm
Weight 340 g
Dimensions of case 264 mm × 172 mm × 48 mm
Total weight with accessories and case 980 g

s = reflection coefficient at test port (s = 10 –a/20 dB)

a = return loss at test port

|r| = magnitude of reflection coefficient measured

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