140 MHz Bandpass SAW Filter
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©2004 by Vanlong Technology Co., Ltd. BP62100
140 MHz Bandpass SAW Filter
28 MHz Bandwidth
Specifications
Parameter Sym Minimum Typical Maximum Unit
Center Frequency at 25°C fc 139.75 140 140.25 MHz
Insertion Loss at fc IL - 24.8 26.5 dB
1 dB Bandwidth BW1 26.4 26.75 - MHz
3 dB Bandwidth BW3 28.0 28.35 - MHz
40dB Bandwidth BW40 - 34.82 36.0 MHz
50dB Bandwidth BW50 - 35.50 36.4
Passband Variation - - 0.5 0.7 dB
Phase Linearity - - 3 6 Deg
Group Delay Variation - - 10 50 nsec
Absolute Delay - - 1.042 - µsec
Ultimate Rejection - 50 65 - dB
Substrate Material - - 128-LiNbO3 - -
Ambient Temperature Ta - 25 - °C
Operatable Temperature Range To -45 - 85 °C

Typical Performance





































Package Outline Matching Configuration













L1 = 47nH C1 = 18pF
Nominal Source/Load Impedance : 50 Ω

Note: Component values may change depending on Board layout.
BP62100