Oscilent Corporation IF SAW Filter | 835-IF137.9M-A Page 1 of 2 IF SAW Filter Part Number Package Application Last Modified 835-IF137.9M-A 35.0 x 12.8 Thru Hole Base Station & Repeater Jan. 01, 2007 TYPE : 137.9 MHz Bandpass Filter PART NUMBER : 835-IF137.9M-A OPERATING CONDITIONS / ELECTRICAL CHARACTERISTICS PARAMETERS Minimum Typical Maximum Units 137.75 137.9 138.05 MHz Insertion Loss at Fo - 25.0 26.5 dB Source Impedance (single ended)* - 50 - ohm Load Impedance (single ended)* - 50 - ohm Temperature Coefficient - -23 - ppm/°C Center Frequency (Fo) - 0.55 1.0 dBp-p 9.0 9.2 - MHz Fo + 200 KHz - 8.9 - dB Fo + 400 KHz - 20.7 - dB Fo + 600 KHz - 50.8 - dB 50 60 - dB - 3.46 - us Amplitude Ripple Bandwidth at 3.0 dB - Ultimate Rejection Fo + 1 MHz Adsolute Delay at Fo * with Matching Network (Ref. Testing Environment Circut as shown below). Those impedances could be modified with different impedances values and/or structures, if necessary. ** Custom SAW IF Filters available. Contact Oscilent for assistance. PACKAGE OUTLINE (mm) PIN Descriptions: IN-1, OUT 5, GROUND -2,3,4,6,Case TEST ENVIRONMENT Oscilent Corporation IF SAW Filter | 835-IF137.9M-A Page 2 of 2 Source & Load Impedance: 50 ohm FREQUENCY RESPONSE Part No.: Crystal Oscillators | Quartz Crystal | TCXO | VCXO | IF SAW Filter | RF SAW Filter | Ceramic Resonator Crystal Filter | Ceramic Filter | SAW Filter / SAW Devices | Site Map 835-IF137.9M-A