The JQL Technologies Waveguide RF Isolators are passive non-reciprocal microwave components for directional signal transmission and isolation of reflected RF power in waveguide systems. The currently listed product family covers frequencies from 4.4 to 100 GHz.
The portfolio includes multiple waveguide sizes from WR187 through WR10 as well as frequency-specific and broader-band configurations. Bandwidth, isolation, insertion loss, VSWR and power characteristics vary according to model.
Advantages
- Wide frequency coverage: currently listed models from 4.4 to 100 GHz.
- Extensive waveguide selection: WR187, WR112, CPR112, WR90, WR75, WR62, WR51, WR42, WR34, WR28, WR22, WR18, WR14, WR12 and WR10.
- High isolation: selected configurations up to 28 dB.
- Low insertion loss: selected configurations from 0.20 dB.
- Multiple bandwidth options: Full-band models and configurations with specified percentage bandwidths.
- Multiple power configurations: dependent on waveguide size and model.
- Frequency-specific versions: numerous configurations for defined radar, radio-link, SatCom and wireless frequency bands.
- Custom design: JQL provides configurations according to Type, Frequency Band, Insertion Loss, Rejection and Isolation requirements.
Key features
- Product type: Waveguide RF Isolator
- Frequency range of currently listed models: 4.4 to 100 GHz
- Waveguide sizes: WR187 through WR10
- Isolation: model dependent, up to 28 dB on selected configurations
- Insertion loss: model dependent, from 0.20 dB on selected configurations
- VSWR: model dependent
- Bandwidth: Full or model-dependent specified bandwidth
- Average power: model dependent
Typical applications
- DAS – Distributed Antenna Systems
- Public safety radio systems
- Radar
- Radio links
- SatCom
- Wireless communication systems
Additional information
The JQL Waveguide RF Isolator portfolio provides multiple mechanical and electrical configurations. Model selection can be based on waveguide size, frequency band, bandwidth, isolation, insertion loss, VSWR and power requirements.
The range extends from WR187 configurations in the lower microwave region through WR90, WR75, WR62, WR42 and WR28 models to millimeter-wave configurations in WR22, WR18, WR14, WR12 and WR10. EMCO provides technical support for selecting a suitable configuration for the required RF or microwave application.
Waveguide family overview
| Waveguide | Listed Frequency Range | Example / Base Reference | Bandwidth | Isolation | Insertion Loss | VSWR | Avg Power |
|---|---|---|---|---|---|---|---|
| WR187 | 4.400~5.000 GHz | JIWR187-112-TBD | 0.300 | 28 | 0.30 | 1.08 | 40/10 |
| WR112 | 7.050~10.00 GHz | JIWR112-36A-TBD | Up To 30% | 23 | 0.30 | 1.20 | 15/15 |
| CPR112 | 7.250~8.400 GHz | JICPR112-62C-7250T8400-HP | Full | 20 | 0.40 | 1.25 | 250/25 |
| WR90 | 8.000~12.400 GHz | JIWR90-28-TBD | Up To 30% | 23 | 0.30 | 1.20 | 25/15 |
| WR75 | 10.00~16.00 GHz | JIWR75-25-TBD | Up To 30% | 23 | 0.25 | 1.20 | 10/5 |
| WR62 | 12.40~18.00 GHz | JIWR62-21-TBD | Up To 30% | 23 | 0.20 | 1.15 | 25/25 |
| WR51 | 14.50~22.00 GHz | JIWR51-15A-TBD | Up To 30% | 25 | 0.30 | 1.20 | 5/2 |
| WR42 | 17.60~26.70 GHz | JIWR42-F-TBD | Up To 30% | 23 | 0.25 | 1.15 | 10/2 |
| WR34 | 21.70~33.00 GHz | JIWR34-12.7A-TBD | Up To 30% | 23 | 0.25 | 1.18 | 1/1 |
| WR28 | 26.50~40.00 GHz | JIWR28-12.7-TBD | Up To 25% | 22 | 0.25 | 1.15 | 5/1 |
| WR22 | 32.90~50.10 GHz | JIWR22-10-TBD | Up To 10% | 20 | 0.50 | 1.20 | 1/1 |
| WR18 | 39.20~59.60 GHz | JIWR18-10-TBD | 2.000 | 23 | 0.60 | 1.25 | 0.5/0.5 |
| WR14 | 60.50~91.90 GHz | JIWR14-12D-TBD7 | 1.000 | 23 | 0.60 | 1.20 | 0.25/0.25 |
| WR12 | 69.00~71.00 GHz | JIWR12-19-69K0T71K0 | 18.0@+25℃ 16.0@-40~+70℃ | 0.8@+25℃ 1.0@-40~+70℃ | 5/2 | ||
| WR10 | 84.00~100.0 GHz | JIWR10-10-TBD | 2.000 | 20 | 1.00 | 1.30 | 0.25/0.25 |
Selected frequency-specific models
| Part Number | Band (GHz) | Bandwidth | Isolation | Insertion Loss | VSWR | Avg Power |
|---|---|---|---|---|---|---|
| JIWR187-112-4500T4800 | 4.500~4.800 | Full | 28 | 0.30 | 1.08 | 40/10 |
| JIWR187-112-4800T5000 | 4.800~5.000 | Full | 28 | 0.30 | 1.08 | 40/10 |
| C75035 | 6.400~7.100 | Full | 23.0 @+25°C 21.0 @-20~+70°C | 0.3 | -/-/15 | |
| JIWR112-36A-7100T7750 | 7.100~7.750 | Full | 21 | 0.30 | 1.22 | 15/15 |
| JIWR112-36A-7700T8400 | 7.700~8.400 | Full | 23 | 0.30 | 1.20 | 15/15 |
| JIWR90-28-8887T8963 | 8.887~8.963 | Full | 25 | 0.30 | 1.20 | 50/10 |
| JIWR75F-10K7T11K2 | 10.70~11.20 | Full | 25 | 0.20 | 1.10 | 15/5 |
| JIWR62-21-14K4T14K9 | 14.40~14.90 | Full | 23 | 0.20 | 1.15 | 25/25 |
| JIWR51-25.4-17K3T20K2 | 17.30~20.20 | Full | 20 | 0.20 | 1.22 | 200/200 |
| JIWR42-F-21K2T23K6 | 21.20~23.60 | Full | 20 | 0.30 | 1.20 | 10/1 |
| JIWR34-12.7A-25K3T25K5 | 25.30~25.50 | Full | 22 | 0.25 | 1.15 | 1/1 |
| JIWR28-25.4B1-27K87T28K23 | 27.875~28.225 | Full | 20 | 0.30 | 1.22 | 25/13 |
| JIWR28-10-29K0T30K0 | 29.00~30.00 | Full | 25 | 0.30 | 1.20 | 0.1/0.1 |
| JIWR28-21B-34K0T36K0-HP | 34.00~36.00 | Full | 20 | 0.50 | 1.20 | 10/10 |
| JIWR28-12.7-37K0T40K0 | 37.00~40.00 | Full | 20 | 0.40 | 1.22 | 5/1 |
| JIWR22-10-43K5T45K5 | 43.50~45.50 | Full | 20 | 0.50 | 1.25 | 1/1 |
| JIWR22-12.7S-43K5T45K5 | 43.50~45.50 | Full | 20.0@+25℃ 18.0@-20~+65℃ | 0.6@+25℃ 0.7@-20~+65℃ | 1.23 | 1/1 |
| JIWR22-10-47K5T48K5 | 47.50~48.50 | Full | 20 | 0.60 | 1.25 | 1/1 |