If the respective impedances of the branches of the hybrid that are connected to the conjugate sides of the hybrid are known, hybrid balance may be computed by the formula for return loss.
22.
The correct definition of return loss is the difference in dB between the incident power sent towards the Device Under Test ( DUT ) and the power reflected, resulting in a positive sign:
23.
However poorly designed diplexers may have differing impedance on various ports, so it should not simply be assumed that any such device is fully reciprocal unless it is stated or the return loss measured.
24.
More specifically, it includes dark fiber acceptance and testing procedures, the description of the dark fiber physical route, operating specifications for the dark fiber infrastructure, performance specifications ( attenuation, Optical Return Loss ), maintenance and restoration terms.
25.
A power meter and light source or an optical loss test set ( OLTS ) is used to test end-to-end loss, and an optical time-domain reflectometer may be used to identify significant point losses or return losses.
26.
Money from the settlement will be distributed to World Income Portfolio investors who had a loss on a total return basis as of June 8, 1993, and to Global Income Fund investors who had a total return loss as of Sept . 15, 1993.
27.
The advantages of this approach over the bridged-T and pi approaches are ( 1 ) complementary PIN diode bias drives are not needed the same bias is applied to both diodes and ( 2 ) the loss in the attenuator equals the return loss of the terminations, which can be varied over a very wide range.
28.
Touch sometimes encounter some problems with the signal, related to Return loss mainly on iPhone on the 3G network; which will cause the change of the carrier name from " touch " to " RL ( return loss ) MTC Lebanon " and then will change back to " touch " when the signal gets better.
29.
Touch sometimes encounter some problems with the signal, related to Return loss mainly on iPhone on the 3G network; which will cause the change of the carrier name from " touch " to " RL ( return loss ) MTC Lebanon " and then will change back to " touch " when the signal gets better.
30.
When the actual transmitted ( incident ) power and the reflected power are known ( i . e ., through measurements and / or calculations ), then the return loss in dB can be calculated as the difference between the incident power " P " i ( in dBm ) and the reflected power " P " r ( in dBm ),
