ETL Systems Dextra 22479 16-Way IF-Band Active Combiner

ETL Systems Dextra 22479 16-Way IF-Band Active Combiner

The ETL Systems Dextra 22479 combines up to 16 IF-band inputs into one output across 50–1000 MHz. This 1U active combiner includes a −20 dB signal monitor port, Ethernet monitoring, and dual redundant power supplies. The optional OPT-R configuration adds dual redundant amplifiers.

Frequency Range: 50–1000 MHz
Combiner Capacity: 16 inputs × 1 output
Gain: 0 ± 1.0 dB, mean across band
Gain Flatness: ±0.8 dB across the full band for 50 Ω versions; ±1.0 dB for 75 Ω versions
Monitor Port: Front-panel SMA, −20 dB
RF Connector Options: 50 Ω BNC or SMA; 75 Ω F-type or BNC
Isolation at 70 MHz: 30 dB typ.; 20 dB minimum
Remote Control & Monitoring: Ethernet with TCP/IP, SNMP and web interface
Power Supplies: Dual redundant, with separate IEC inlets
Form Factor: 1U, 19-inch rack mount

Key Features

• Combines 16 IF-band signals into one output

• Provides a front-panel port for signal monitoring

• Reports power supply and summary alarms through dry contacts and Ethernet

• Offers optional hot or cold standby amplifiers with automatic switchover (OPT-R)

The standard model uses a single-path amplifier. Specify OPT-R if amplifier redundancy is required. RF performance varies by connector configuration.