LTWC450H
Ceramic Filter
1. SCOPE
This specification shall cover the characteristics of the ceramic filter with
450KHz.
2. PART NO.:
LTWC450H
3. ELECTRICAL SPECIFICATIONS
3-1 Center frequency(fo)
3-2 Band Width at 6dB
450KHz±1.5KHz max.
±3.0KHz min.(to 450KHz)
±9.0KHz max.(to 450KHz)
47dB min. (at 450±100KHz max.)
2.0dB max.(at 450±5.0KHz)
6.0dB max.(at the smallest loss)
±50ppm/℃ max.
3-3 Band Width at 50dB
3-4 Stop Band Attenuation
3-5 Ripple
3-6 Insertion Loss
3-7 Temperature Coefficient
of Center Frequency
(-20℃ to +80℃)
3-8 Spurious Response
0.1-1.0MHz min. 25dB
max. 30μsec.(450±4.0KHz)
100V.DC(1 minute)
3-9 Group Delay Time Deviation
3-10 Dielectric withstanding Voltage
3-11 Insulation Resistance(DC 10V)
3-12 Input / Output Impedance
min.100MΩ
1.5KΩ
Note 1) Center frequency shall be defined as the center of the band width 6dB.
Note 2) Temperature coefficient of center frequency shall be defined as the
average of the center frequency shift throughout the specified
temperature range.
4. MEASUREMENT
4-1 Measuring Condition
The reference temperature shall be 25±2℃. Unless the result is doubtful,
the measurement shall be performed in the temperature range of 5 to 35℃.
SHENZHEN LUGUANG ELECTRONIC TECHNOLOGY CO.,LTD
.