BAND PASS FILTERS

Dielectric Band Pass Filters

LJ

Tokenchina's dielectric band pass, notch and dielectric diplexing application engineers employ the latest in dielectric material and circuit analysis technology, with accurately defined design rules, to provide rapid turnaround on new filter designs.


With our experience and design aids, Tokenchina can provide the necessary support for your application from prototype through production.


Detailed specifications, both mechanical and electrical, are maintained for many popular designs on our website, or by contacting our sales representative.


Features

  • Custom designs
  • Rugged, high Q ceramic
  • High frequency selectivity
  • SMD and reflow soldering is available
  • Low insertion loss dielectric resonators
  • Mountable by automatic placing machine
  • Temperature stability for temperature compensated dielectric constant

Applications

  • Radio Antennas on Radio Tower, Trunked Radio System
  • Broadcasting Stations, Broadcast Satellite TV
  • Military Radar Affairs, Back-up Device

Dimensions (mm): Band Pass LJ

Specifications - Band Pass LJ

Part No. Center
Frequency
(MHz)
Band Width
(MHz)
Insertion
Loss
(dB)max.
Ripple in
BandWidth
(dB)max.
V.S.W.R
max.
Attenuation
(dB)min.(MHz)
LJ900-C-A 900 fo±10 2.5 0.5 1.5 50 at fo±100
LJ1200-C-B 1200 fo±15 2.0 0.8 2.0 50 at fo±110
LJ950-D-B 950 fo±10 2.5 0.5 1.5 60 at fo±100
LJ1250-D-B 1250 fo±15 2.0 0.8 2.0 60 at fo±110

Characteristic - Band Pass LJ

How to Order - Band Pass LJ

LJ 900 - C - A
Dielectric Filter
Center Frequency (MHz)
Number of Resonator
C 3
D 4
Band Width
A 10MHz
B 20MHz

PDF download

LJ Series - Dielectric Band Pass Filters

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