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EF Johnson S-Meter
Hello-
I have a small qty. of NOS EF Johnson S-meters from an old CB shop. I can furnish a JPEG on request, should have a few extra to sell. Can someone help me in using these meters : The pointer resides at full scale, rather than at the low scale as most meters. I guess you would say the meter is "backwards". How would you compensate for this in normal S-meter circuit? Thanks, Byron, WA5THJ. |
#2
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Byron Tatum wrote:
Hello- I have a small qty. of NOS EF Johnson S-meters from an old CB shop. I can furnish a JPEG on request, should have a few extra to sell. Can someone help me in using these meters : The pointer resides at full scale, rather than at the low scale as most meters. I guess you would say the meter is "backwards". How would you compensate for this in normal S-meter circuit? Thanks, Byron, WA5THJ. Post the pictures at news:alt.binaries.pictures.radio so people can see them. If they recognize the radio that uses them, you should be able to find a schematic. -- Michael A. Terrell Central Florida |
#3
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Byron Tatum wrote:
Hello- I have a small qty. of NOS EF Johnson S-meters from an old CB shop. I can furnish a JPEG on request, should have a few extra to sell. Can someone help me in using these meters : The pointer resides at full scale, rather than at the low scale as most meters. I guess you would say the meter is "backwards". How would you compensate for this in normal S-meter circuit? Thanks, Byron, WA5THJ. Post the pictures at news:alt.binaries.pictures.radio so people can see them. If they recognize the radio that uses them, you should be able to find a schematic. -- Michael A. Terrell Central Florida |
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