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Dielectric Filters

Supplier From China
Mar-22-07

Dielectric filters

Operating frequency range: 0.3~4.5ghz
Bandwidth: 0.2%~15%
Insertion loss (pass band): related to the frequency, bandwidth, volume and steps of the filters
Stopband attenuation: related to the steps of the filters at close range and +60db beyond
Input/output impedance: 50-ohm
Vswr (pass-band) :_1.51_1.21 especially
Power:_ 5w
Shock :10g
Vibration:10g
Operating temperature : -55 ¦ ~+ 85 ¦


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Ceramic capacitors

The choice of dielectric is largely determined by the temperature stability required:
Npo (cog) ultra stable classdielectric, with negligible dependence of electrical properties on temperature, voltage, frequency and time, used in circuits requiring stable performance.

X7r stable class =dielectric, with predictable change of properties with temperature, voltage, frequency and time. Used 5 uas blocking, coupling, by-passing and frequency discriminating elements. This dielectric is ferroelectric and offers higher capacitance ranges than class.

Y5v(z5u) general purpose class =dielectric with highest dielectric constant and greater variation of properties with temperature and test conditions. Very high capacitance per unit volume and suited for application as well as filtering,

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