star roamer i f transformers
3/3/2012 12:39:34 PMwilliam love(99524:0)
Ihave two used i f transformers for a star roamer radio.They are supposed to oriented according to color dots on the bottom of the transformer. Mine dont have color dots. How should i proceed?
3/3/2012 1:55:14 PMEdd(99528:99524)
http://http://bama.edebris.com/download/knight/str-rmr/strrmr.pdf s o o o o o o o possibly that 2nd IF transformers secondary winding may be wound with a higher impedance and step up ratio in order to agree with its dumping into a diode load. 180 degrees, or you might compare any common markings or labeling on this new transformer to its new mate and compare it to the other one and rotate it 180 degrees. If your IF transformers just happen to be of a like impedance just use them as they are. 73's de Edd
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:Ihave two used i f transformers for a star roamer radio.They are supposed to oriented according to color dots on the bottom of the transformer. Mine dont have color dots. How should i proceed?
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3/3/2012 10:01:57 PMwilliam love(99547:99528)
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::Ihave two used i f transformers for a star roamer radio.They are supposed to oriented according to color dots on the bottom of the transformer. Mine dont have color dots. How should i proceed?
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: : : :  : : : : : : : :Sir William Love . . . . . : : :I am uncertain if you are using "Star Roamer" IF transformers or just happen to have some "others " to use : : :In looking at the reference / construction manual for the set: : : : :http://http://bama.edebris.com/download/knight/str-rmr/strrmr.pdf : : :Now in the seeing that the sets IF transformers are not being of the same part numbers, : : s o o o o o o o possibly that 2nd IF transformers secondary winding may be wound with a higher impedance and step up ratio in order to agree with its dumping into a diode load. : : :Check the DC resistance of all four windings and see of one doesn't turn out to be havinf a abit more resistance. If that is the situuation, orient that winding half to mate up with the CR-1 detector diode circuitry. : : :Note that on page 11 of the manual that the pictorial is showing stamped metal slots that the IF transformers drop into , so there is only a 180 degree of installation error, and none, when you know which the diode winding is supposed to be the closest to. : : :Now as for the 1st IF transformer, as you seem to see, it seems to have its green dot being rotated : : 180 degrees, or you might compare any common markings or labeling on this new transformer to its new mate and compare it to the other one and rotate it 180 degrees. : : : : : If your IF transformers just happen to be of a like impedance just use them as they are. : : : :73's de Edd : : : : : I'd give my right arm to be ambidextrous. : : : :  : : : |
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::Ihave two used i f transformers for a star roamer radio.They are supposed to oriented according to color dots on the bottom of the transformer. Mine dont have color dots. How should i proceed?
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3/3/2012 10:09:46 PMwilliam love(99548:99547)
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:::Ihave two used i f transformers for a star roamer radio.They are supposed to oriented according to color dots on the bottom of the transformer. Mine dont have color dots. How should i proceed?
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::THANKS ED
::I did notice that one transformer had a little more resistance.I will try your suggestions.
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:: :: :: :: :: :: :: :: :: :: :: ::Sir William Love . . . . . :: :: ::I am uncertain if you are using "Star Roamer" IF transformers or just happen to have some "others " to use :: :: ::In looking at the reference / construction manual for the set: :: :: :: ::http://http://bama.edebris.com/download/knight/str-rmr/strrmr.pdf :: :: ::Now in the seeing that the sets IF transformers are not being of the same part numbers, :: :: s o o o o o o o possibly that 2nd IF transformers secondary winding may be wound with a higher impedance and step up ratio in order to agree with its dumping into a diode load. :: :: ::Check the DC resistance of all four windings and see of one doesn't turn out to be havinf a abit more resistance. If that is the situuation, orient that winding half to mate up with the CR-1 detector diode circuitry. :: :: ::Note that on page 11 of the manual that the pictorial is showing stamped metal slots that the IF transformers drop into , so there is only a 180 degree of installation error, and none, when you know which the diode winding is supposed to be the closest to. :: :: ::Now as for the 1st IF transformer, as you seem to see, it seems to have its green dot being rotated :: :: 180 degrees, or you might compare any common markings or labeling on this new transformer to its new mate and compare it to the other one and rotate it 180 degrees. :: :: :: :: :: If your IF transformers just happen to be of a like impedance just use them as they are. :: :: :: ::73's de Edd :: :: :: :: :: I'd give my right arm to be ambidextrous. :: :: :: :: :: :: :: |
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:::Ihave two used i f transformers for a star roamer radio.They are supposed to oriented according to color dots on the bottom of the transformer. Mine dont have color dots. How should i proceed?
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::THANKS ED
::I did notice that one transformer had a little more resistance.I will try your suggestions.
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9/18/2012 12:56:05 PMwilliam love(102443:99547)
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:::Ihave two used i f transformers for a star roamer radio.They are supposed to oriented according to color dots on the bottom of the transformer. Mine dont have color dots. How should i proceed?
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:: :: :: :: :: :: :: :: :: :: :: ::Sir William Love . . . . . :: :: ::I am uncertain if you are using "Star Roamer" IF transformers or just happen to have some "others " to use :: :: ::In looking at the reference / construction manual for the set: :: :: :: ::http://http://bama.edebris.com/download/knight/str-rmr/strrmr.pdf :: :: ::Now in the seeing that the sets IF transformers are not being of the same part numbers, :: :: s o o o o o o o possibly that 2nd IF transformers secondary winding may be wound with a higher impedance and step up ratio in order to agree with its dumping into a diode load. :: :: ::Check the DC resistance of all four windings and see of one doesn't turn out to be havinf a abit more resistance. If that is the situuation, orient that winding half to mate up with the CR-1 detector diode circuitry. :: :: ::Note that on page 11 of the manual that the pictorial is showing stamped metal slots that the IF transformers drop into , so there is only a 180 degree of installation error, and none, when you know which the diode winding is supposed to be the closest to. :: :: ::Now as for the 1st IF transformer, as you seem to see, it seems to have its green dot being rotated :: :: 180 degrees, or you might compare any common markings or labeling on this new transformer to its new mate and compare it to the other one and rotate it 180 degrees. :: :: :: :: :: If your IF transformers just happen to be of a like impedance just use them as they are. :: :: :: ::73's de Edd :: :: :: :: :: I'd give my right arm to be ambidextrous. :: :: :: :: :: :: :: |
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:::Ihave two used i f transformers for a star roamer radio.They are supposed to oriented according to color dots on the bottom of the transformer. Mine dont have color dots. How should i proceed?
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9/18/2012 12:58:20 PMwilliam love(102444:102443)
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::::Ihave two used i f transformers for a star roamer radio.They are supposed to oriented according to color dots on the bottom of the transformer. Mine dont have color dots. How should i proceed?
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:::Thanks
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::That makes sense.
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::: ::: ::: ::: ::: ::: ::: ::: ::: ::: ::: :::Sir William Love . . . . . ::: ::: :::I am uncertain if you are using "Star Roamer" IF transformers or just happen to have some "others " to use ::: ::: :::In looking at the reference / construction manual for the set: ::: ::: ::: :::http://http://bama.edebris.com/download/knight/str-rmr/strrmr.pdf ::: ::: :::Now in the seeing that the sets IF transformers are not being of the same part numbers, ::: ::: s o o o o o o o possibly that 2nd IF transformers secondary winding may be wound with a higher impedance and step up ratio in order to agree with its dumping into a diode load. ::: ::: :::Check the DC resistance of all four windings and see of one doesn't turn out to be havinf a abit more resistance. If that is the situuation, orient that winding half to mate up with the CR-1 detector diode circuitry. ::: ::: :::Note that on page 11 of the manual that the pictorial is showing stamped metal slots that the IF transformers drop into , so there is only a 180 degree of installation error, and none, when you know which the diode winding is supposed to be the closest to. ::: ::: :::Now as for the 1st IF transformer, as you seem to see, it seems to have its green dot being rotated ::: ::: 180 degrees, or you might compare any common markings or labeling on this new transformer to its new mate and compare it to the other one and rotate it 180 degrees. ::: ::: ::: ::: ::: If your IF transformers just happen to be of a like impedance just use them as they are. ::: ::: ::: :::73's de Edd ::: ::: ::: ::: ::: I'd give my right arm to be ambidextrous. ::: ::: ::: ::: ::: ::: ::: |
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::::Ihave two used i f transformers for a star roamer radio.They are supposed to oriented according to color dots on the bottom of the transformer. Mine dont have color dots. How should i proceed?
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:::Thanks
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::That makes sense.
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