Info on Toyo Crystal filter needed

[Jeff]

Hi, Im looking for info on a Toyo TQF-2849 (10.7MHz) crystal filter.
Need to know the bandwidth and termination impedances. Any help appreciated.
Toyo in Japan were no help.
regards,
JEFF
ZL3TNV

 

[casab]

Pass band 3 dB: +-3.75kHz, Stop band 70 dB: +-8.75 kHz, Insertion
Loss: 4.5 dB, Terminating Impedance: 470 ohm// 25pF

- casab

"Jeff" <jeff_164@hotmail.com> kirjoitti viestissä
news:a9zmc.1275$XI4.63649@news.xtra.co.nz...

Hi, Im looking for info on a Toyo TQF-2849 (10.7MHz) crystal filter.
Need to know the bandwidth and termination impedances. Any help
appreciated.
Toyo in Japan were no help.
regards,
JEFF
ZL3TNV

 

[Jeff]

Thanks very much for the information, thats exactly what I needed.
regards from New Zealand,
JEFF

"casab" <maisot@POISTA.kolumbus.fi> wrote in message
news:c7fa0s$pg7$1@phys-news1.kolumbus.fi...

Pass band 3 dB: +-3.75kHz, Stop band 70 dB: +-8.75 kHz, Insertion
Loss: 4.5 dB, Terminating Impedance: 470 ohm// 25pF

- casab

"Jeff" <jeff_164@hotmail.com> kirjoitti viestissä
news:a9zmc.1275$XI4.63649@news.xtra.co.nz...
Hi, Im looking for info on a Toyo TQF-2849 (10.7MHz) crystal filter.
Need to know the bandwidth and termination impedances. Any help
appreciated.
Toyo in Japan were no help.
regards,
JEFF
ZL3TNV