OM6BPF
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GENERAL DESCRIPTION:
The OM6BPF Band Pass Filter is designed for all shortwave amateur bands from 1.8 to 29 MHz (excluding WARC bands) for 200W of power.
SPECIFICATIONS:
- Frequency coverage: amateur bands 1.8-29.7 MHz excluding WARC;
- Design: 3 resonator filters;
- Power: 200 W in SSB, CW, RTTY, AM and FM;
- Input impedance: 50 Ohm;
- SWR: Less than 1.2:1 across the entire band;
- Output impedance: 50 Ohm unbalanced;
- Insertion loss: very low thanks to a very high Q, hand-tuned for maximum performance;
- Control methods: automatic with Yaesu, Icom, Elecraft, OM automatic power amplifiers, Band Decoder for e.g. microHAM devices;
- Power supply: external from +12V to 15V;
- LED INDICATORS:
- Automatic mode
- Band indications
- Bypass mode
- Dimensions: 210 x 75 x 320 mm (width x height x depth);
- Weight: 2.3 kg
Typical in-band reject measurements
| MHz | max. loss (dB) | max. SWR | Crossband minimum loss (dB) | ||||
|---|---|---|---|---|---|---|---|
| 1.8 | 0.25 | 1.1 | 3.5 MHz | 7 MHz | 14 MHz | 21 MHz | 28 MHz |
| 2.0 | 0.25 | 1.1 | 47 | 70 | 60 | 53 | 70 |
| 3.5 | 0.25 | 1.1 | 1.85 MHz | 7 MHz | 14 MHz | 21 MHz | 28 MHz |
| 3.8 | 0.25 | 1.1 | 42 | 46 | 60 | 55 | 50 |
| 7.0 | 0.3 | 1.15 | 1.85 MHz | 3.5 MHz | 14 MHz | 21 MHz | 28 MHz |
| 7.3 | 0.3 | 1.15 | 66 | 46 | 70 | 55 | 47 |
| 14.0 | 0.3 | 1.15 | 1.85 MHz | 3.5 MHz | 7 MHz | 21 MHz | 28 MHz |
| 14.4 | 0.3 | 1.15 | 80 | 62 | 41 | 38 | 60 |
| 21.0 | 0.4 | 1.2 | 1.85 MHz | 3.5 MHz | 7 MHz | 14 MHz | 28 MHz |
| 21.5 | 0.4 | 1.2 | 75 | 75 | 65 | 35 | 58 |
| 28.0 | 0.4 | 1.2 | 1.85 MHz | 3.5 MHz | 7 MHz | 14 MHz | 21 MHz |
| 29.7 | 0.4 | 1.2 | 80 | 90 | 70 | 47 |
27 |
Typical filter response
160m band
80m band
40m band
20m band
15m band
10m band
General description of the Band Pass Filter OM6BPF
The Band Pass Filter OM6BPF is designed for all short wave amateur bands from 1.8 till 29 MHz (exclusive WARC – bands ) for 200 W power.
Specification of OM6BPF:
| Frequency coverage: | amateur bands 1.8 – 29.7 MHz (not WARC) |
| Design: | 3 resonator filters |
| Power rating: | 200 W in SSB, CW, RTTY, AM and FM |
| Input impedance: | 50 Ohm |
| SWR: | Less then 1.2 : 1 across band |
| Output impedance: | 50 Ohm unbalanced |
| Insertion loss: | very low insertions loss due to High – Q capacitors, hand tuned for maximum performance |
| Control methods: | Automatic with Yaesu , Icom , Elecraft , OM Power automatic amplifiers , Banddecoder for example microHAM devices |
| Power supply: | External between +12 V to 15 V |
| LED indicators: | Automatic mode Band indications Bypass Mode |
| Parameters: | 210 x 75 x 320 mm (width x height x depth) |
| Weight: | 2.3 kg |
Measured Typical Band to Band Rejection
| MHz | max. loss (dB) | max. SWR | Crossband minimum loss (dB) | ||||
|---|---|---|---|---|---|---|---|
| 1.8 | 0.25 | 1.1 | 3.5 MHz | 7 MHz | 14 MHz | 21 MHz | 28 MHz |
| 2.0 | 0.25 | 1.1 | 47 | 70 | 60 | 53 | 70 |
| 3.5 | 0.25 | 1.1 | 1.85 MHz | 7 MHz | 14 MHz | 21 MHz | 28 MHz |
| 3.8 | 0.25 | 1.1 | 42 | 46 | 60 | 55 | 50 |
| 7.0 | 0.3 | 1.15 | 1.85 MHz | 3.5 MHz | 14 MHz | 21 MHz | 28 MHz |
| 7.3 | 0.3 | 1.15 | 66 | 46 | 70 | 55 | 47 |
| 14.0 | 0.3 | 1.15 | 1.85 MHz | 3.5 MHz | 7 MHz | 21 MHz | 28 MHz |
| 14.4 | 0.3 | 1.15 | 80 | 62 | 41 | 38 | 60 |
| 21.0 | 0.4 | 1.2 | 1.85 MHz | 3.5 MHz | 7 MHz | 14 MHz | 28 MHz |
| 21.5 | 0.4 | 1.2 | 75 | 75 | 65 | 35 | 58 |
| 28.0 | 0.4 | 1.2 | 1.85 MHz | 3.5 MHz | 7 MHz | 14 MHz | 21 MHz |
| 29.7 | 0.4 | 1.2 | 80 | 90 | 70 | 47 | 27 |
