Effect of changing the pull-up resistor connecting the lock indicator pin on the rubidium 5650A time source DB-9 port to +5V supply from 4k7 to 20k on 13 September 2026

By Admin September 13, 2026

Voltages measured have changed to these new values:

2.865 V unlocked

0.264 V locked

(Previously were 3.8 V and 1.001 V with 4k7 resistor)

By Admin

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Effect of changing the pull-up resistor connecting the lock indicator pin on the rubidium 5650A time source DB-9 port to +5V supply from 4k7 to 20k on 13 September 2026

If I make cantenna with overlapping pieces of metal sheeting, then how important is it to have electrical connection between pieces of metal?

Is there non-conductive aluminium tape?

Results of repeat testing of rubidium 5650A time source