RFL 9780 RFL Electronics Inc.
September 8, 2001 18-2 (973) 334-3100
18.2 X HYBRID MODULE
The RFL 9780 X-Hybrid Module is a transformer-type hybrid typically used to combine the outputs of two
transmitters. The X-Hybrid provides the required impedance matching and signal separation, and prevents
mutual loading of the two transmitters. The impedance characteristics of the two types of X-Hybrid modules
is shown in the table below.
Assembly Number Receive Send Line
106630-1 50 Ohms 50 Ohms 50 Ohms
106630-2 50 Ohms 50 Ohms 75 Ohms
18.2.1 SPECIFICATIONS
As of the date this manual was published, the following specifications apply to all RFL 9780 X-Hybrid
Modules, except where indicated. Because all RFL products undergo constant refinement and
improvement, these specifications are subject to change without notice.
Insertion Loss:
Approximately 3.5 dB, either input port to line output port.
Transhybrid Loss:
Greater than 25 dB, from 60 to 500 kHZ, when operating with the specified termination
impedances.
Power Capacity:
10 Watts rms.
Two-Wire Line Impedance:
50 Ohms standard; other impedances are available on special order.
Second Harmonic Distortion:
At least 80 dB below the fundamental frequency.
Third Order Intermodulation Products:
At least 60 dB below the fundamental frequency.
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