[TenTec] FW: ten tec filters

[David Chernenkoff]

Here's some information that Larry (N1YW) sent me with regards to my filter identification question, I thought others on the list might be interested...-David(VE6NHZ)> From: kartooo at netzero.net> Date: Fri, 16 Mar 2007 17:31:31 +0000> To: d_chernenkoff at hotmail.com> Subject: ten tec filters> > saw ur post on the refector...> > MHz filters (NAR or NAR-1/NAR-2 slots): > > MODEL:                 216      217      218      219      220> ------------------    ----     ----    -----    -----   ------> C/F 9.00xxxx MHz:     2210     0750     1500     0750     1500> 6dB BW, Hz:            500      500     1800      250     2400> S/F, 6/60 dB:       2.75:1      2:1    1.8:1    3.5:1    1.7:1> Ins. Loss, dB:         8.0      7.5      2.0     14.0      2.2> Ult. Rejection, dB:    90+      90+      90+      85+      90+> Z in & out, OHMS:      200      200      200      200      200> Number of Poles:         6        8        8        6        8> Stock Code:          48161> > > 6.3MHz filters (selectable filters, over VFO knob): > > > MODEL:                 282      285      288> ------------------    ----     ----    -----> C/F 6.299xxx MHz:      250      250     6.30> 6dB BW, Hz:            250      500     1800> S/F, 6/60 dB:        3.4:1    2.9:1   1.75:1> Ins. Loss, dB:        11.5      5.5      2.5> Ult. Rejection, dB:    90+      90+     100+> Z in & out, OHMS:      200      200      200> Number of Poles:         6        8        8> > > > > > > > > Model Number / Stock Code / Bandwidth Hz / Center frequency MHz / > Poles/other notes> > Following the number of poles are other numbers that have been > reported> seen on these filters, or notes on the usage of these filters. The > numbers may be date codes or PCB design numbers.> > 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 "normal" note CW > filter > (750 Hz from CW BFO frequency)> ??? / 48057 /  ??? / ????     / 4 / 84-05> 220 / 48058 / 2400 / 9.001500 / 8 / 8307 / 6840> 221 / 48243 /  250 / 9.000500 / 6 / Low note CW filter (500 Hz from > CW > BFO frequency)> 282 / 48054 /  250 / 6.299250 / 8> 285 / 48053 /  500 / 6.299250 / 8> 288 / 48075 / 1800 / 6.300000 / 8 / 9125 / N5> unk / 48127 / 6000 / 9 / AM filter in Paragons?> unk / 48074 / 2400 / 6.3 / Stock (non-option) 6.3 MHz filter.> > You will see the part code instead 48075 on one crystal.> > > > > Larry N1YW> 
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