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Old 02-17-2014, 03:16 PM
old_coot88 old_coot88 is offline
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Quote:
Originally Posted by Electronic M View Post
If you use a bulb then inserting it between the top cap and the lead that connects there is a better idea as a series cathode resistance from the bulb could throw off the grid bias.
This is true. But the 4V or so dropped by the bulb would be negligible and probably not noticeable except for a slight width reduction. For convenience doing 'dip checks' in the field, we put the bulb in the plate lead, using a little made-for-purpose adapter.
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