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Folder 852 Division - (500-series Performance)

Exchange Area and Operator Services Transmission

Documents

pdf 852-220-100-i1-500 Series Sets General Description Tl Popular

Published on 22 September 2010 By Anonymous 876 downloads

Download (pdf, 2.77 MB)

852-220-100-i1-500_Series_Sets_General_Description_tl.pdf

May 1952. 500 series design objectives, mechanical, electrical and transmission features, noise crosstalk and sidetone considerations in design and performance.

pdf 852-220-101-i1-500 Series Transmission A B J K Sets Tl Popular

Published on 22 September 2010 By Anonymous 903 downloads

Download (pdf, 2.07 MB)

852-220-101-i1-500_Series_Transmission_A_B_J_K_Sets_tl.pdf

May 1952. Electrical characteristics and transmission performance of the 500 and 501 A, B, J and K sets. Crosstalk and sidetone considerations and effects of longitudinal noise and set unbalance. (With and without 311A equalizer.) Circuit description and diagram.

pdf 852-220-102-i2-500 Series Transmission C D Sets Small-File Tl Popular

Published on 22 September 2010 By Anonymous 925 downloads

Download (pdf, 1.57 MB)

852-220-102-i2-500_Series_Transmission_C_D_Sets_Small-File_tl.pdf

October 1956. Electrical characteristics and transmission performance of the 500 and 501 C and D sets. Crosstalk and sidetone considerations and effects of longitudinal noise and set unbalance. (Using 425B network with varistors.) Circuit description and diagram.

pdf 852-220-102-i2-500 Series Transmission C D Sets Tl Popular

Published on 22 September 2010 By Anonymous 1056 downloads

Download (pdf, 5.03 MB)

852-220-102-i2-500_Series_Transmission_C_D_sets_tl.pdf

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