H - Electricity – 03 – K
Patent
H - Electricity
03
K
328/87
H03K 5/22 (2006.01) H03L 7/085 (2006.01) H04L 7/033 (2006.01)
Patent
CA 1142238
ABSTRACT OF THE DISCLOSURE The invention relates to a method for regulating the phase position of a controlled signal in relation to the phase position of a reference signal in a telecommunication system and an arrangement for carrying out the method. The reference sig- nal is delayed in a delay circuit and the delayed reference sig- nal is compared with a controlled signal in a first comparison circuit which produces a first comparison signal at a high or a low level in dependence on the phase difference between the de- layed reference signal and the controlled signal. The controlled signal is delayed in a delay circuit and the delayed controlled signal is compared in a second comparison circuit with the refer- ence signal. The second comparison circuit produces a second comparison signal which is at a high or a low level in dependence on the phase difference between the signal and the reference sig- nal. The outputs from the comparison circuits are connected to a logic circuit. In dependence on the signal combination received at its inputs the logic circuit produces a binary control signal which is used to correct the phase position of the controlled signal in relation to the phase position of the reference signal.
335989
Andersson Karl A.i.
Roos Sture G.
Marks & Clerk
Telefonaktiebolaget Lm Ericsson
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