Wave transmission lines and networks – Coupling networks – Equalizers
Patent
1977-06-21
1979-02-13
Gensler, Paul L.
Wave transmission lines and networks
Coupling networks
Equalizers
333 18, H03H 714
Patent
active
041398297
ABSTRACT:
In a band division type equalizer having a plurality of equalizer sections, the adjustment of each of the equalizer sections is accomplished through measurement of characteristics of a transmission means to be equalized and calculation of the difference of the measured characteristics and the desired characteristics. Since all of the equalizer sections are adjusted at the same time according to the result of the calculation, the adjustment does not suffer from interaction among the sections. An adjustable variable, for instance, a variable resistor for each section is mounted in a single setting unit separable from the rest of the equalizer circuit. Thus, after completely adjusting the setting unit, the setting unit is connected to the rest of the equalizer sections, and then the desired delay characteristic can be obtained. The equalizer section is for instance a Moschytz type delay circuit.
REFERENCES:
patent: 3336539 (1967-08-01), Kwartiroff et al.
patent: 3715691 (1973-02-01), Kurth
patent: 3733565 (1973-05-01), Pierret
patent: 3883830 (1975-05-01), Hekimian
Isago Takao
Komazaki Tomokazu
Gensler Paul L.
Kokusai Denshin Denwa Co. Ltd.
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