Bandpass Filters (CATV and MATV)
| CFAL |
Single Channel Adjacent Bandpass Filter (CATV: T7 to T13, IF, 2 to 25) |
| BP7 | Single Channel Adjacent Bandpass (CATV: 14 to 85) |
| CF7 |
Single Channel Semi-Adjacent Bandpass Filter (CATV, VHF and UHF) |
| BP7-UHC | UHF/Hyperband Bandpass Filter for UHF Chs 14-69, CATV chs 62-125, LTE 700 MHz block (A,B or C) |
| NF7 and VF7 | Narrow 0.5 MHz and 2 MHz Bandpass Filter (4 to 450 MHz) |
| BP7-CEW | Multiple Channel Adjacent Bandpass Filter (5 to 600 MHz) |
| CF7W | Wide Non-Adjacent Bandpass Filter (5 to 800 MHz) |
Adjacent Channel Bandpass (any channel from 5 to 250 MHz)
CFAL and CFAS
CFAL:Dim 1.75"H x 19"L x 3"D
CFAS:
Dim: 4.25"L x 2.5"W x 3.25"H
Model CFAL and CFAS are designed to pass one specific TV channel, reject the adjacent channels, and all out-of -band frequencies. Channels available (CATV): T7 - T13, 2 - 13, A5 - A1, A14 - I22, 23 - 30, and TV-IF (41 to 47 MHz). Available for NTSC and ATSC system.
- Operating Bandwidth: 5 to 750 MHz
- Passband loss: < 3.5 dB (4 to 5dB at band edges)
- Return Loss:15 dB typical (except band edges)
- CFAL- rejection: >30 dB on adjacent carrier, > 20 dB on rest of channel, > 35 dB out-of-band
- CFAS (outdoor version of CFAL) - rejection: > 25 dB on adjacent carrier, and >15 dB on rest of channel, > 30 dB out-of -band
- Custom passband: any frequency band (2 to 16 MHz wide) within 5 to 250 MHz (e.g., CFAL-ch.14 -16)
- Both models are also available in 50 ohms (BNC)
Example Graphs
CFAL-chs 8, T10, CFAL-ch.14 -16
Adjacent Channel Bandpass (any channel 170 to 560 MHz)
BP7-Series: BP7-HT and BP7-CE (custom)
BP7-HT: Wall mount
Dim 6 "H x 9.25 "L x 4.5 "W
BP7-CE: Dim: 3.5-5"H x 19 "L x 6 "D
High performance bandpass filters are designed for CATV operation. BP7-HT provides single channel passband and adjacent channel rejection. Use to filter modulators for adjacent operation (ex: chs 53, 54, 55). Available for NTSC and ATSC channels.
- Channels available BP7-HT: 7 to 13, 23 to 65
- Passband loss: 3 to 5 dB ( 5 to 6.5dB band edge)
- BP7-HT- rejection: >25 dB on adjacent carrier, >20 dB on rest of channel, > 40 dB out-of -band
- Operating Bandwidth: 5 to 750 / 1000 MHz
- BP7-CE - Custom channel/rejection bandpass
- Custom passband: any frequency band (4 to 8 MHz wide) within 120 to 560 MHz
- Rack and wall mount models available
- Supplied with final production graph
Example Graphs
Semi-Adjacent Bandpass (any channel 5-890 MHz)
CF7-Series - General Purpose Bandpass Filters
Indoor model Dim 3.6 "L x 2.5"H x 3.4 "W
Outdoor model Dim: 4.25"L x 3.25 "W x 2.55"H
Designed to pass desired TV channel, and typically roll off >30 dB
± 7 MHz from passband edges (details- see Specs). Available for NTSC and ATSC system.
Applications: Filtering signals for reception systems or filtering out spurs
for signal distribution.
Available for 6 MHz HD applications as well as 8 MHz European standard.
- Available channels: CATV: T7 - T13, 2 - 140; TV-IF, FM band, and, UHF 14 - 69
- Passband Loss: 1.5 dB; Stopband: > 30 dB from ± 7 MHz
- Passband Ripple: ± .5 dB; Return Loss: 15 dB
- Selectivity: semi-adjacent (details- see specs)
- Operating Bandwidth: 5 to 550 / 750 / 1000 MHz
- Custom passband: any frequency band ( from 4 to 12 MHz wide), within 4 to 800 MHz (see graphs)
- Various connector options (details- see custom info)
- Optional adjacent channel selectivity available for for chs: T7 to T13, IF, 2 to A14
Example Graphs
CF7-chs T10, 3, 59 and 78, Specifications, Custom Info
UHF/Hyperband/LTE Cavity Bandpass 460 to 850 MHz
BP7-UHC High performance bandpass
UHF or CATV Hyperband, cavity-type, single channel bandpass with low loss and highly selective skirt. Low profile - fits into one rack space. Suitable for reception and low power (10 watt) transmitter applications. Standard bandpass is available with 4 cavities. Bandpass channel is user specified and can be factory re-channnalized.
PDF Info Sheet- Available for: chs 14-69 UHF; chs 62-125 CATV, and LTE Block (A,B,C -700-750 MHz)
- Available with 3 to 6 cavities (4 cavities standard)
- Available with notch filters, or up to 6 cavities, for greater selectvity
- BP7-UHC can be re-channelized from 470-600, 570-720, or 720-850 MHz
- Passband Bandwidth: 4 to 8 MHz (e.g., for ATSC or PAL formats) *
- Passband Loss: <2.0 dB; Stopband: >25 dB ± 8 MHz from bandedge
- Return Loss: more than 16 dB
- Rejection From Passsband edge:
3 Cavity 4 Cavity 5 Cavity 10 dB +/- 5 MHz +/- 4 MHz +/- 3 MHz 25 dB +/-9 MHz +/- 7 MHz +/- 6 MHz 50 dB +/-22 MHz +/-18 MHz +/-16 MHz - Reject Band: 5 MHz to 1 GHz
- RF Power Handling: 10 Watts max
- Connectors: "F" females (standard), 50 BNC/N optional
- * Special order for passband up to 18 MHz (3 cavity)
Narrow-Band Bandpass (Fixed & Tuneable)
NF7, NF7-HQ, and VF7 - Narrow Bandpass Filters
NF7-Fc Dim 3.6"L x 2.5"H x 3.2"W
NF7-(Fc)
Passband: 1 to 2 MHz
- Fixed frequency filter. User specified passband
(Fc - 4.5 to 250 MHz) - Stopband rejection:> 25dB at ± 3 MHz from Fc
- NF7 is similar to VF7 (below) but not tunable. NF7 is trap enhanced for greater selectivity (i.e., >40dB rejection at ±12 MHz Fc)
Model NF7 is designed to pass a narrow, 1 MHz, frequency band while attenuating all other signals. All models are 75 ohms impedance with F-type connectors (optional 50 ohms with BNC or N).
NF7-(Fc) HQ Dim 4.25"L x 4"H x 1.75"W
NF7-(Fc) HQ
Passband: 0.5 to 1 MHz (approx)
- HQ Helical resonator design
- Fixed frequency filter ( 75 ohms)
- Fc is available from 60 to 750 MHz
- Insertion at Fc: from 3 to 5 dB
- Return loss: 16 dB typical
- Can be trap enhanced for greater selectivity
- Selectivity ( 20 dB rejection points ):
VF7-(Fc)
Passband: 0.5 to 1 MHz, frequency tunable
- Factory pre-tuned to specified frequency (Fc)
- Passband insertion loss is <3 at Fc
- Stopband rejection: 15dB min at ± 3 MHz from Fc
- Tuning range is approx ±10 MHz.
- User adjustable via two screw trimmers
- Fc available from 60 to 600 MHz
Example Graphs
NF7-4.5, NF7-76 HQ, NF7-721.25 HQ, VF7-180
Adjacent Channel Wide-Bandpass (custom within 3 to 560 MHz)
BP7-CEW
Bandpass filter network consists of adjacent channel lowpass and highpass joined together to form a wide bandpass. Custom ordered to pass several consecutive channels. Example: CE7-BP ch.50/56 - pass chs 50 to 56, rejects ch. 49 below, ch. 57 above, and all other channels.
BP7-CEW (50 dB)Dim 3.5"H x 19"L x 6"D (or 5.25H)
- Adjacent channel selectivity
- User specified passband ( Fc1 to Fc2 ), for frequency band within 5 to 560 MHz (or chs T7 - 85)
- Passband loss: < 4 dB ( except band edges - Fc1 and Fc2 - depends on frequencies - see graph).
- Stopband: > 25 dB on adjacent channels (greater attenuation , e.g., > 50 dB - inquire )
- Operating Bandwidth is 5 to 750/1000 MHz
- Temperature stable (-10° to +40° C)
- Models also available with semi-adjacent selectivity
Example Graphs
Wide Bandpass, Non-Adjacent Filter (within 3 to 860 MHz)
CF7W
CF7W
Dim 4.5"L x 2.5"W x 2.5"H
CF7W
Dim 3.5"W x 7"L x 2"H (or 4H)
Custom wide bandpass, is designed to pass specified frequency band with excellent selectivity. CF7W combines sharp lowpass and highpass filters together.
- Provides spurious suppression for a group of consecutive RF channel modulators.
- Available for standard CATV, VHF and UHF bands - click for table showing a variety of CF7W models
- Customized to pass desired segment of the TV spectrum ranging from 5 to 860 MHz (Fc1 to Fc2 )
- Passband loss: < 2 dB (except 3dB at cut-offs)
- Ripple: < 1dB (<.5 dB for noise filters applications)
- Stopband: > 40dB (custom levels from 20 to 60 dB)
- Selectivity: > 40dB roll off at frequencies 4% above and below cutoffs, Fc1 to Fc2 (see graph)
CF7W-VHF/UHF Off the Air TV Systems Filter
Double bandpass filter CF7W 174-216/470-806 is low loss pre-selector filter that passes VHF chs 7-13 and UHF chs. 14-69. Double bandpass filter CF7W 54-216 MHz/470-700 is low loss pre-selector filter that passes VHF 2 thru 13, UHF chs 14 thru 52.
CF7W-174-216/470-806
Dim 3.5"H x 8 "L x 3.5W
CF7W-54-216/470-700
Dim 3.5"H x 7.5 "L x 3.5W