. The Bell System technical journal . ri. 13—CXAS—TiansmiUcr 16 BELL SYSTEM TECHNICAL JOURNAL circuit. The adjustable duplexing transmission lines may be seen in theside compartment of the Main Unit on Fig. 9. The equipment just described could be operated over a small frequencyband of about 40 megacycles in the neighborhood of either 700 or 500 meg-acycles. The transmitter, receiver, and duplexing circuits were tunableover the entire range, but it was necessary to set up the antenna for oneband or the other. This was accomphshed by installing the proper one ofthe two sets of dipoles furnished
. The Bell System technical journal . ri. 13—CXAS—TiansmiUcr 16 BELL SYSTEM TECHNICAL JOURNAL circuit. The adjustable duplexing transmission lines may be seen in theside compartment of the Main Unit on Fig. 9. The equipment just described could be operated over a small frequencyband of about 40 megacycles in the neighborhood of either 700 or 500 meg-acycles. The transmitter, receiver, and duplexing circuits were tunableover the entire range, but it was necessary to set up the antenna for oneband or the other. This was accomphshed by installing the proper one ofthe two sets of dipoles furnished, and installing or omitting a set of wedges.
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Keywords: ., bookcentury1900, bookdecade1920, booksubjecttechnology, bookyear1
