CATV Single Channel Elimination Filters

CE7 and CE7 (E): Adjacent Channel Bandstop (chs 14 to 108)
CE7Q: Adjacent QAM Channel Bandstop (chs 50 to 135)
2501-Series Channel Eliminator (chs 2-6, 95-99, 14-22)
BR7 series: Channel Eliminator (Sub-band, 2-13, 14-22, A8-A1)
CR7-3AE: Adjacent channel 3 Bandstop
CR7E: Semi-Adjacent Bandstop (chs 2 to 158)
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CE7 & CE7 (E) Series Deletion Filters

Adjacent Channel Bandstop (chs A5(95)-A1(99), 14-22, 7-125)

CE7-series - High Performance Bandstop Filter

Filter deletes one TV channel from the CATV spectrum to allow insertion of local content, and passes all other channels. Example: CE7-59, deletes ch.59 for insertion of lobby camera modulated on ch.59. CE7 is also available for QAM channel deletion applications (CE7Q-ch.#).

• Adjacent channel selectivity
• Stopband: > 55 dB rejection across channel
• Low loss on adjacent channels (see CE7-specs)
• Passband loss: <1 dB 0.5 dB ripple
• 1000 MHz bandwidth option (most models)
• Return Loss: 16 dB typical (see graph)
• CE7 is available for chs 95(A5)-99(A1), A14 to I22, 7 to 108
  (see BR7-series or CE7-2501 for chs sub-band, 2-6, A8 - A1, A14 - I22)
• CE7Q (QAM version) is available for QAM chs 2 thru 6; 95(A5)-99(A1), A14 to I22, 7 to 135
• Custom stopband - remove any frequency band (2 to 8 MHz wide), Fo within 120 to 700 MHz
• Power passing - < 2 AMP; Good temperature stability
• Temperature Compensation alignment is optional
• Supplied with final production graph

Example Graphs

CE7-chs A5(96), C16, 9E, 59, 85 and 125

CE7 Specifications and Order Info

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CE7Q Series: QAM Hyperband Channel Deletion Filters

Available for Hyperband QAM Channels: 50 thru 135

Filter deletes one QAM TV channel from the CATV spectrum to allow insertion of local content, and passes all other channels. Example: CE7Q-101, deletes ch.101 for insertion of QAM modulator on ch.101, and, pass all other channels including adjacents 100 and 102.

• Adjacent channel selectivity
• Stopband: > 45 dB rejection across channel
• Low loss on adjacent channels
• Passband loss: <1.5 dB 0.5 dB ripple
• 1000 MHz bandwidth
• Return Loss: 16 dB typical
• CE7Q is available for chs 50 thru 135 (370 - 860 MHz)
• Good temperature stability
• Supplied with final production graph

Example Graphs

PDF sample graphs chs 72, 88, 122, 134

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2501-Series Single Channel Eliminator

Premium Adjacent Channel Bandstop (chs 2-6, 95-99(A1), 14-22)

2501-series - Premium Bandstop Filter

Filter deletes one TV channel from the CATV spectrum to allow insertion of local content, and passes all other channels. Exceptional performance for chs 2 thru 6, 95 thru 99, A14 thru I22.

• Adjacent channel selectivity
• Stopband: > 55 dB rejection across channel
• Low loss on adjacent channels (see pdf CE7-2501-specs)
• Passband loss: <1.5 dB 0.5 dB ripple
• Bandwidth 1000 MHz
• 2501E is available for chs 2-6, A8-A1,A14 to I22
• see BR7-series for Sub-band chs; CE7 series for 7-125;
• see CE7D-series for digital deletion filters
• Custom stopband up to 8 MHz, Fo within 50 to 250 MHz
• Power passing; Good temperature stability
• Supplied with final production graph

Example Graphs coming soon.

Details and specificatioin refer to pdf info sheet.

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BR7 & BR7 (E) Series: Deletion Filters

Adjacent Channel Bandstop (chs T7-T12, 2-13, FM, A14-I22, A8-A1)

BR7-series - Highly selective bandstop

Designed to block out only one TV channel from the cable TV spectrum to allow insertion of local content, and pass all other channels. Example: BR7-3 removes cable ch. 3 for insertion of VCR ch.3 output.

• Adjacent channel selectivity
• Stopband: > 50 dB (Video to Color and Audio)
• Low loss on adjacent channels (see graphs)
• Operating Bandwidth: 5 to 60 Return Path channels - Passband extender available
• Operating Bandwidth: 5 to 750/1000 MHz - all Forward Path channels
• Passband loss: <1dB 0.5 dB ripple
• BR7 is available for chs: T7-T12, 2-13, A8 - A1, A14 - I22
• Custom Sub-band channel and FM band removal for CATV systems (inquire)
• Custom tailor to remove any frequency band (2 to 6 MHz wide), Fo within 40 to 250 MHz
• Supplied with final production graph

Example Graphs

BR7-chs T7, 3E, and 10

Specifications and Order Info

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CR7-3AE Economical CATV Adjacent Channel Eliminator

CR7-3AE: Channel 3 Bandstop (5 MHz to 1000 MHz)

Model CR7-3AE is an economical, high rejection bandstop filter that removes cable TV channel 3,and, passes all other signals (including chs 2 and 4). This permits insertion of local content on ch.3 from modulated sources , such as, DVD player,Satellite Receiver, Security camera, PC. Model CR7-#AE is also available for Channel 2, 4, 5 or 6; CH.95(A5) to 99(A1).

• High attenuation stopband: > 50 dB
• Adjacent carrier loss: < 6dB at lower audio and < 5dB at upper video
• Bandwidth: 5MHz to 1000MHz
• Passband loss: 1.5 dB ± 1dB ripple

Example Graphs

CR7-CH.3AE or CR7-CH.6AE and Order info

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CR7E - Semi-Adjacent Channel Eliminator

CR7E - High Rejection Bandstop

Semi-adjacent, high rejection bandstop, is designed to remove one specific TV channel from a cable TV source, to permit insertion of local program, and pass all other channels, except adjacent channels - approximate 3dB BW: 18MHz (chs <600 MHz) to 30MHz(chs >800 MHz).

• Channels available 2 to 158; and 14 to 65 UHF
• Stopband attenuation: 55 dB typical
• Impact on next-to-adjacent channels: < 3dB (below chs 60) to 6dB (above ch 100)
• Bandwidth: DC to 870 MHz (chs T7-30); DC to 1000 MHz (chs 31-158)
• Passband loss: 1dB 0.5 dB ripple
• Customize to remove any frequency band from 4 to 10 MHz wide (between 40 to 1000 MHz)
• Supplied with final production graph

Example Graphs

CR7E ch. 59

CR7E ch. 86

CR7E-450/452

CR7E-999 LQ

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