LT390AW Datasheet, PDF (1/3 Pages) Shenzhen Luguang Electronic Technology Co., Ltd – Ceramic Filter

LT390AW
Ceramic Filter
1. SCOPE
This specification shall cover the characteristics of the ceramic filter with
390KHz.
2. PART NO.:
LT390AW
3. ELECTRICAL SPECIFICATIONS
3-1 Center frequency(fo)
.390KHz±2.0KHz max.
3-2 Band Width at 6dB
±25.0KHz min.(to 390KHz)
3-3 Band Width at 50dB
±50.0KHz max.(to 390KHz)
3-4 Stop Band Attenuation
45dB min. (at 390±100KHz max.)
3-5 Ripple
2.0dB max.(at 390±10.0KHz)
3-6 Insertion Loss
3.0dB max.(at the smallest loss)
3-7 Temperature Coefficient
±50ppm/℃ max.
of Center Frequency
(-20℃ to +80℃)
3-8 Spurious Response
0.1-1.0MHz min. 25dB
3-9 Group Delay Time Deviation
max. 30μsec.(390±4.0KHz)
3-10 Dielectric withstanding Voltage
100V.DC(1 minute)
3-11 Insulation Resistance(DC 10V)
min.100MΩ
3-12 Input / Output Impedance
1.0KΩ ± 10%
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℃.
4-2 Measuring Circuit
Rg + R1 = R2 = Input / Output Impedance
(1) Input
(2)(3)(4) Ground
(5) Output
SHENZHEN LUGUANG ELECTRONIC TECHNOLOGY CO.,LTD.