[TenTec] Filter information

[Ken Brown]

Hi All,

I have been trying to keep an accurate reference of Ten-Tec filters, 
mostly focusing on pre-Orion radios. I have deleted some information 
that has been identified to me as incorrect, and added the notes about 
the probable application of the stock number 48057 and 48127 filters. It 
seems that "stock" non-optional filters generally have a stock number 
but do not have a model number. Model 220 may be an exception. Any 
additions, confirmations or corrections are appreciated.


Ten-Tec IF filter data

Model Number / Stock Code / Bandwidth Hz / Center frequency MHz / Poles

216 / 48161 /  500 / 9.002210 / 6 RTTY filter
217 / 48036 /  500 / 9.000750 / 8
218 / 48037 / 1800 / 9.001500 / 8
219 / 48055 /  250 / 9.000750 / 6 /8047 / 6840
??? / 48057 /?/?/4/Guess Corsair 2.4 kHz stock filter unconfirmed
220 / 48058 / 2400 / 9.001500 / 8 /8307 / 6840 Omni stock filter?
221 / 48243 /  250 / 9.000500 / 6 Low note CW filter
282 / 48054 /  250 / 6.299250 / 8
285 / 48053 /  500 / 6.299250 / 8
288 / 48075 / 1800 / 6.300000 / 8 / 9125 / N5
unk / 48127 / 6000 / 9 / ? / Paragon AM filter??
unk / 48074 / 2400 / 6.3 / Stock (non-option) 6.3 MHz filter>

Following the number of poles are other numbers that have been reported
seen on these filters. They may be date codes or PCB design numbers.






DE N6KB












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