R&S®ZRB2 SWR Bridge

Broadband impedance and reflection coefficient measurements

Specifications

  Percision model 50 Ω Standard model 50 Ω Standard model 75 Ω
Frequency range 5 to 3000 MHz 5 to 2500 MHz 5 to 2000 MHz
Characteristic impedance 50 Ω 50 Ω 75 Ω
Directivity ≥46 dB up to 2 GHz,
≥40 dB up to 2.5 GHz,
≥34 dB up to 3 GHz		 ≥40 dB ≥40 dB
Return loss at test port ≥26 dB up to 2.5 GHz,
≥22 dB up to 3 GHz		 ≥23 dB ≥20 dB up to 1.5 GHz,
≥18 dB up to 2 GHz
Measurement error
  (|r| = magnitude of measured   reflection coefficient)		 0.005 + 0.05|r|2
up to 2 GHz,
0.01 + 0.05|r|2
up to 2.5 GHz,
0.02 + 0.08|r|2
up to 3 GHz		 0.01 + 0.07|r|2 0.01 + 0.1|r|2
up to 1.5 GHz,
0.01 + 0.13|r|2
up to 2 GHz
Insertion loss (5 MHz)
  Total
  Input → test port
  Test port → output		  
13 dB
7 dB
6 dB		  
13 dB
7 dB
6 dB		  
14 dB
8 dB
6 dB
Power-handling capacity 0.5 W 0.5 W 0.5 W
General data
Nominal temperature range 0 to +50°C
Storage temperature range -40 to +70°C
Connectors N female
Test port connector N female or N male
Dimensions without connectors (L x W x H; mm) 72 mm × 57 mm × 20 mm
Connector length female 17 mm, male 19 mm
Weight 240 g