4 Troubleshooting and Diagnostics
100 Keysight 34980A Service Guide
34932A Dual 4x16 Armature Matrix
The 34932A dual 4x16 armature matrix contains two matrices, each with 64
2-wire crosspoint latching armature relays organized in a 4-row by 16-column
configuration. Every row and column are made up of two wires each, a high (H)
and a low (L). Each crosspoint relay has a unique channel number representing
the row and column that intersect to create the crosspoint. For example, channel
315 represents the crosspoint connection between row 3 and column 15 (all
columns consisting of two digits; in this case the digits are 15). See the simplified
schematic below.
402 K7402 802 K8802
403 K7403 803 K8803
404 K7404 804 K8804
405 K7405 805 K8805
406 K7406 806 K8806
407 K7407 807 K8807
408 K7408 808 K8808
Backplane
921 K921
922 K922
923 K923
924 K924
Matrix 1 Matrix 2
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