The Contemporary Research QDA4-45 is an amplified RF combiner that can switch between one or four inputs, with adjustable amplification up to 32 dB of gain. Designed for QMOD HDTV applications, the QDA4-45 can receive an RF feed from QMOD modulators or QCA9-33 Active Combiners. Inputs can be switched between one or four inputs, with selectable gain. The compact QDA4-45 mounts in a single rack space using either the Contemporary Research RK1 single rack mount kit or RK2EZ dual rack mount kit. The units are wholly designed and manufactured in the USA. Features Switches between one input or four input combiner Adds up to 32 dB gain for one input, 25 dB for 4 inputs Front-panel gain adjustment and LCD level display Provides a maximum output level of up to 50 dBmV Wideband, low noise amplifier Low power, draws less than 8.5 watts Compact metal enclosure, mounts in 1 RU using the RK1 or RK2EZ rack mount kits Applications Combine up to 4 QMOD Modulators Combine 4 QCA9-33 Active Combiners for 36 channels Use as launch amp for RF system Use as booster amp to merge QMOD channels with existing 50 dBmV analog modulator systems Product Documents & Videos Spec Sheet Click to Download Product Manual Click to Download The Contemporary Research QDA4-45 is an amplified RF combiner that can switch between one or four inputs, with adjustable amplification up to 32 dB of gain. Designed for QMOD HDTV applications, the QDA4-45 can receive an RF feed from QMOD modulators or QCA9-33 Active Combiners. Inputs can be switched between one or four inputs, with selectable gain. The compact QDA4-45 mounts in a single rack space using either the Contemporary Research RK1 single rack mount kit or RK2EZ dual rack mount kit. The units are wholly designed and manufactured in the USA. Features Switches between one input or four input combiner Adds up to 32 dB gain for one input, 25 dB for 4 inputs Front-panel gain adjustment and LCD level display Provides a maximum output level of up to 50 dBmV Wideband, low noise amplifier Low power, draws less than 8.5 watts Compact metal enclosure, mounts in 1 RU using the RK1 or RK2EZ rack mount kits Applications Combine up to 4 QMOD Modulators Combine 4 QCA9-33 Active Combiners for 36 channels Use as launch amp for RF system Use as booster amp to merge QMOD channels with existing 50 dBmV analog modulator systems Product Documents & Videos Spec Sheet Click to Download Product Manual Click to Download See More
The Contemporary Research QDA4-45 is an amplified RF combiner that can switch between one or four inputs, with adjustable amplification up to 32 dB of gain. Designed for QMOD HDTV applications, the QDA4-45 can receive an RF feed from QMOD modulators or QCA9-33 Active Combiners. Inputs can be switched between one or four inputs, with selectable gain. The compact QDA4-45 mounts in a single rack space using either the Contemporary Research RK1 single rack mount kit or RK2EZ dual rack mount kit. The units are wholly designed and manufactured in the USA. Features Switches between one input or four input combiner Adds up to 32 dB gain for one input, 25 dB for 4 inputs Front-panel gain adjustment and LCD level display Provides a maximum output level of up to 50 dBmV Wideband, low noise amplifier Low power, draws less than 8.5 watts Compact metal enclosure, mounts in 1 RU using the RK1 or RK2EZ rack mount kits Applications Combine up to 4 QMOD Modulators Combine 4 QCA9-33 Active Combiners for 36 channels Use as launch amp for RF system Use as booster amp to merge QMOD channels with existing 50 dBmV analog modulator systems Product Documents & Videos Spec Sheet Click to Download Product Manual Click to Download
