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
Center Frequency (Fo) 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
Amplitude Ripple - 0.55 1.0 dBp-p
Bandwidth at 3.0 dB 9.0 9.2 - MHz
Ultimate Rejection -
Fo + 200 KHz - 8.9 - dB
Fo + 400 KHz - 20.7 - dB
Fo + 600 KHz - 50.8 - dB
Fo + 1 MHz 50 60 - dB
Adsolute Delay at Fo - 3.46 - us
* 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
Source & Load Impedance: 50 ohm
FREQUENCY RESPONSE
Part No.:
835-IF137.9M-A

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