2008/10/12 Don Johnson <[EMAIL PROTECTED]>: >>"The A channel handles the positive voltage and the B channel becomes the >>negative, thus doubling the output voltage swing." > > This is a very odd way to state what's happening in the bridged mode. You > gatta love manuals written by the marketing department. Not totally wrong but > only accurate during complex instances in time when the positive half of the > output is indeed handled by ch-A and the negative by ch-B. In another > instance however, this will be reversed. A more accurate description is what > someone else has already stated as a push-pull arrangement of the > out-of-phase driven channels. The bridge mode switch couples one of the input > channels to both output stages but also inserts an additional op-amp stage > (phase inverter) in only one of the channels. Now as the input signal goes > positive, the "hot" terminal of ch-A will be driven positive while the "hot" > terminal of ch-B will be driven negative equally. All this reverses as the > input signal goes negative.
It should be called differential output. 73 Steve -- Steve Rooke - ZL3TUV & G8KVD Omnium finis imminet _______________________________________________ time-nuts mailing list -- [email protected] To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.
