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

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

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

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

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

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

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

By 374 downloads

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

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

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