81-35A-25 Series

81-35A-25 Series
81-35A-25 Series, 118-136 MHz, Dual-Junction Circulator and Isolators are designed to provide the specified isolation under continuous duty at maximum power. Their conservative, rugged design and construction have a record of excellent reliability and high performance established through over 20 years of service in critical systems.
Isolators
- Provides rated isolation at rated continuous power
- Standard isolator loads rated to protect against antenna system failure
Circulators
- Available dual or single junction versions from 118-250 MHz, 300-530 MHz and 746-960 MHz
- Small package outline
- Up to 250 watts power handling
- High isolation throughout bandwidth (no-tuning)
- Low insertion loss
- Low PIM Design
- Wide operation temperature range
- RoHS compliant
- Various connector options available
- Ideal for applications with minimal guard band between transmit and receive frequencies
Part Number | 81-35A-25-00 | 81-35A-25-20 | 81-35A-25-50 | 81-35A-25-60 | 81-35A-25-100 |
---|---|---|---|---|---|
RF Load # | None | 82-01-05 82-01-05 | 82-01-05 82-01-16 | 82-01-05 82-01-17 | 82-01-05 82-01-15 |
Continuous RF | None | 5/5 W | 5/25 W | 5/60 W | 5/100 W |
Dimensions, HxWxD [inches(mm)] | 3.94 x 6.25 x 1.78 (100 x 159 x 45) | 5.0 x 6.25 x 1.78 (127 x 159 x 45) | 8.81 x 6.25 x 1.78 (223 x 159 x 45) | 9.91 x 6.39 x 1.78 (252 x 162 x 45) | 9.91 x 6.39 x 2.9 (252 x 162 x 74) |
Weight, lb. (kg) | 2.60 (1.18) | 2.78 (1.26) | 3.24 (1.47) | 3.88 (1.76) | 4.60 (2.09) |
Downloads:
Product Specifications | |
---|---|
Item No | 81-35A-25 Series |
Item Name | 118-136 MHz, Dual-Junction Circulator and Isolator |
Frequency Range | 118-136 MHz |
Number of Junctions | 2 |
Junction Type | Lumped Constant |
Max Continuous Input Power | 100 W |
Isolation Bandwidth | 2.5% of center frequency (dB) |
Typical Insertion Loss | 0.9 dB |
Insertion Loss | 1.1 dB |
Peak Reverse Isolation | >60 dB |
Min Reverse Isolation | >50 dB |
Impedance Ω | 50 |
Min Return Loss - VSWR | 20 dB (1.22 :1) |
Temperature Range | -30 to +60 °C |
Connectors Input-Output-Load | N |