Graphs: CE7W & BR7W - Multi-Channel Elimination Filter Networks
Graph 1: Channels A5(95)-A1(99) Deletion Filter
Graph 2: Wide Adjacent Hyperband Bandstop (50 MHz stopband)
Graph 3: Channels 58-67 Hyperband Deletion Filter
Graph 4: Ultra-Wide Adjacent Bandstop (100 MHz stopband)
Graph 5: Wide Adjacent Mid-Band Bandstop (40 MHz Stopband)
Graph 6: Non-Adjoining Adjacent Hyperband Bandstop Network
Graph 7: Semi-Adjacent CATV Low Band Bandstop
Return to Multi-Channel Eliminators
Graph 1: Channels A5(95)-A1(99) Deletion Filter
CE7-ch.A5(95)-A1(99): Channels 95-99,are located between the CATV FM band and mid-band. They can be deleted for reuse without sacrificing regular programs.
Graph: CE7-ch.A5(95)-A1(99)
Mkr | Freq (MHz) | Attn (dB) | Channel |
1 | 91.250 | -58.209 | A5 (95) pix |
2 | 119.750 | -55.673 | A1 (99) snd |
3 | 87.750 | -3.777 | 6 snd |
4 | 121.250 | -4.234 | 14 pix |
5 | 83.250 | -1.540 | 6 pix |
6 | 125.750 | -1.848 | 14 snd |
* Includes 2 dB passband thru loss
Graph 2: Wide Hyperband Adjacent Bandstop (50 MHz stopband)
CE7W-Ch. 38/45: wide stopband removes eight TV channels - 38 thru
45 (Mkr 3 to 4).
- Stopband > 55 dB
- Adjacent carrier loss is <3.5 dB (ref to passband level)
- Low impact on chs 37 & 46 (Mkr 2 & 5)
- Passband is 5 to 750 MHz
- Passband loss: 2 dB, Ripple: 1 dB
- Panel size for bandstop ( 8 to 10 chs) is 5.25" x 19"
Graph: CE7W-Ch. 38/45
Mkr | Freq (MHz) | Attn (dB) | Channel |
1 | 301.2500 | -2.948 | 37 pix |
2 | 305.750 | -5.329* | 37 snd |
3 | 307.2500 | -66.715 | 38 pix |
4 | 353.7500 | -58.846 | 45 snd |
5 | 355.250 | -5.404* | 46 pix |
6 | 359.750 | -2.636 | 46 snd |
* Includes passband insertion loss (2 dB)
Graph 3: Channels 58-67 Hyperband Deletion Filter
CE7-CH.58/67E: Channels 58/67 are deleted for reuse.
Graph: CE7-CH.58/67E
Mkr | Freq (MHz) | Attn (dB) | Channel |
1 | 427.250 | -55.952 | 58 pix |
2 | 485.750 | -57.574 | 67 snd |
3 | 425.750 | -6.973 | 57 snd |
4 | 487.250 | -6.858 | 68 pix |
5 | 421.250 | -3.726 | 57 pix |
6 | 491.750 | -4.439 | 68 pix |
* Includes 2 dB passband thru loss
Graph 4: Ultra-Wide Adjacent Bandstop (100 MHz stopband)
BR7/CE7W-Ch.17/29: wide stopband removes channels 17 thru 29
(Mkr 3 & 4)
- This filter passes all other channels including adjacent channels 16 and 30
- Stopband is greater than 50 dB
- Passband optimized for low loss: 2dB, DC to 750 MHz
- This filter network consists of "brickwall" lowpass, highpass, and low loss diplexer
- Panel size for this filter is 7" x 19 "
BR7/CE7W-Ch.17/29
Mkr | Freq (MHz) | Attn (dB) | Channel |
1 | 133.250 | -2.837* | 16 pix |
2 | 137.750 | -6.599* | 16 snd |
3 | 139.250 | -58.822 | 17 pix |
4 | 257.750 | -55.432 | 29 snd |
5 | 259.250 | -5.560* | 30 pix |
6 | 263.750 | -3.462 | 30 snd |
* Includes 2 dB passband thru loss
Graph 5: Wide Mid-Band Adjacent Bandstop (40 MHz Stopband)
BR7W-ch. A14/G20 - stopband removes midband channels 14 thru 20 (Mkr 3 & 4)
- This filter passes all other channels including adjacent A1 and H21 (Mkr 2, 5)
- Passband: DC to 750 MHz, loss 2.5dB
- This filter network consists of BR7/CE7 series - adjacent and non-adjacent bandstops
- Panel Size: 7" x 19 "
Mkr | Freq (MHz) | Attn (dB) | Channel |
1 | 115.250 | -2.25 | A1 pix |
2 | 119.750 | -5.52 | A1 snd |
3 | 121.250 | -69.98 | 14 pix |
4 | 161.750 | -57.63 | 20 snd |
5 | 163.250 | -5.01 | 21 pix |
6 | 167.750 | -1.98 | 21 snd |
7 | 160.830 | -55.55 | 20 cc |
Graph 6: Non-Adjoining Hyperband Adjacent Bandstop Network
CE7-DN ch.44/80/85: stopband & passband frequency response
- Filter network removes 3 discrete channels: 44, 80, and 85, and pass all other channels
- Low impact on adjacents (Mkr 7 & 8)
- Passband loss is 2dB ± .5 dB
- Passband is optimized for best results
- Filter network includes three single channel elimination filters (CE7)
- Panel size of filter: 5.25" x 19"
Mkr | Freq (MHz) | Attn (dB) | Channel |
1 | 343.2500 | -59.668 | 44 pix |
2 | 347.7500 | -56.376 | 44 snd |
3 | 559.2500 | -60.107 | 80 pix |
4 | 563.7500 | -56.838 | 80 snd |
5 | 589.2500 | -60.869 | 85 pix |
6 | 593.7500 | -55.266 | 85 snd |
7 | 341.7500 | -4.570* | 43 snd |
8 | 595.2500 | -5.090* | 86 pix |
* Losses include passband thru loss 1.5 dB
Graph 7: Semi-Adjacent Ch.2 thru 6 Bandstop
CR7-2-6 LQ: stopband & passband frequency response
- Filter removes 2 thru 6.
- Pass return path, all other channels from 94 to 870 MHz
- Passband loss is <2dB ± .5 dB
Mkr | Freq (MHz) | Attn (dB) | Channel |
1 | 55.25 | -65.668 | 2 pix |
2 | 87.75 | -62.376 | 6 snd |
3 | 46.00 | -1.107 | rp |
4 | 95.00 | -1.801 | ch.96 |
* Losses include passband thru loss 1.5 dB