Microwave Filter Company, Inc.
International Calls: (315) 438-4700
Toll Free: (800) 448-1666
mfcsales@microwavefilter.com
"Committed to Excellence" Since 1967
International Calls: (315) 438-4700
Toll Free: (800) 448-1666
mfcsales@microwavefilter.com
"Committed to Excellence" Since 1967
An ISO 9001:2015 Registered Company
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FM Harmonic Reject Filters
| For Suppressing FM Station Transmitter Harmonics: FM transmitters often generate harmonics - multiples of the transmitter frequency. Some of these cause interference to VHF-TV and UHF-TV reception and paging and cellular radio reception. This series of low pass filters pass the entire FM band with low loss and provide substantial harmonic suppression.
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Model 18150 • 300 Watt (CW) Transmit Power Rating • 2nd thru 10th Harmonics Suppression Ideal for eliminating potential interference to these bands:
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Model 7123 • 500 Watt (CW) Transmit Power Rating • 2nd thru 10th Harmonics Suppression Ideal for eliminating potential interference to these bands:
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Model 19586 • 2000 Watt (CW) Transmit Power Rating • Multiple Harmonics Suppression Ideal for eliminating potential interference to these bands:
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| Specifications: | ||||||
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| Model Number | Passband (MHz) | Passband Loss | Passband VSWR | Rejection | Dimensions | Connectors |
| 18150 | 88 - 108 | 0.20 dB Typ 0.25 dB Max |
1.15:1 Max | 70 dB Min from 176 - 540 MHz 60 dB Min from 528 - 1080 MHz |
9.50” x 3.00” x 1.50” | N-female |
| 7123 | 88 - 108 | 0.10 dB Typ 0.25 dB Max |
1.25:1 Max | 50 dB Min from 176 - 216 MHz 60 dB Min from 264 - 432 MHz 80 dB Min from 440 - 1080 MHz |
5.85” x 1.75” x 2.125” | N-female |
| 19586 | 88 - 108 | 0.3 dB Max | 1.25:1 Max | 40 dB Min from 176 - 648 MHz 50 dB Min from 649 - 894 MHz |
15.00” x 5.00” x 5.14” |
7/16 DIN-female |
