Contemporary Research QCA9-33 RF Combiner
Jun 8, 2011 1:33 PM
The Contemporary Research QCA9-33 is an active RF combiner that features eight high-level inputs and one low-level input, combining with high isolation, and amplifying up to a 33 dBmV output level. Designed for QMOD HDTV applications, the eight RF inputs typically receive 29 dBmV RF from QMOD HDTV modulators. The ninth input is for up to 19 dBmV RF signals, such as incoming cable feed, a control channel from an ICE-HE head-end control modulator, or another QMOD or QCA9-33. Up to eight QCA9-33 combiners can feed a single combiner to deliver up to 76 channels.
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