Bandpass Filters (CATV and OFF-Air-Antenna)

CF7W, CF7W HR	Wide Non-Adjacent Bandpass Filters for Off-the-Air TV and LTE 700 MHz bands (5 to 900 MHz)
CF7W-VHF, UHF	Wide Bandpass filters for Off-the Air VHF, VHF-UHF, UHF
CFAL	Single Channel Adjacent Bandpass Filter (CATV: T7 to T13, IF, 2 to 25)
BP7	Single Channel Adjacent Bandpass (CATV: 14 to 85)
VF7-UHF	Frequency Tunable UHF Single Channel Bandpass
VF7-ch.7-13	Frequency Tunable Single Channel VHF Bandpass
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 (5- 450 MHz)
BP7-CEW	Multiple Channel Adjacent Bandpass Filter (5- 600 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

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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

BP7-HT ch.35 and BP7-HT ch.54

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Tunable UHF Bandpass

VF7-UHC HT General purpose, tunable, UHF 6 MHz bandpass 470 - 620 MHz

VF7-UHF: Wall mount

Dim 4.5 "H x 3.5 "L x 1.75 "W

UHF Channel Tunable bandpass filter designed for Off air antenna systems. It is suitable as pre-selector for 6 MHz TV/RF signal that requires low thru loss and does not require high signal selectivity. Tunable frequency range: 470 to 620 MHz (option ex: 550-700 MHz, 650- 800 MHz, 750-900 MHz).

VF7-UHC HT info sheet and sample graphs

Two screw tuners for frequency adjustment (RF instrument to view passband frequency response while tuning is required)
Passband loss: 1.5 to 1.0 dB (470 to 620 MHz)
Out-of band rejection @470 MHz: >20 dB 14 MHz from band edges
Out-of band rejection @620 MHz: >20 dB 24 MHz from band edges
Operating Bandwidth : 5 to 1300 MHz
Connectors: type F female 75 ohms
Options 50 ohms connectors available - inquire
Wall mount (option: Rack mount on 1.75 x 19" panel)
Supplied with final production graphs

Tunable UHF Bandpass (Range 450-540 MHz; 530-620 MHz)

VF7-UHF: VF7-470/540; VF7-540/600

VF7-UHF: Wall mount

Dim 4.0 "H x 1.75 "L x 2 "W

UHF Channel Tunable bandpass filter designed for Off air antenna systems. Also suitable as pre-selector for 6 to 8 MHz RF sisnals. Two models are available to cover frequency ranges: 450 to 540 MHz, 530 MHz to 620 MHz. Provides single channel passband and good out of band rejection.

VF7-UHF data sheets and sample graphs

Accessible screw tuners for frequency adjustment (RF instrument to view passband frequency response while tuning is required)
Passband loss: 2.5 to 3.25 dB
Out-of band rejection: >10 dB @6 MHz from band edge >20 dB @10 MHz from band edge of channel, >40 dB approx 30 MHz from bandedge
Operating Bandwidth: 5 to 1000 MHz
Connectors: type F female 75 ohms
Options 50 ohms connectors available - inquire
Wall mount and Supplied with final production graph

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Tunable VHF-Hi Bandpass (Range 174-216 MHz)

VF7-ch.7-13 (174-216 MHz)

VF7-ch.7-13: Wall mount

Dim: 2.0 "H x 7.5 "L x 4.5 "W

VHF-Hi Channel Tunable bandpass filter designed for Off air antenna systems. Also suitable as pre-selector for 6 to 8 MHz RF sisnals. Tunable from 174 to 216 MHz. Provides single channel passband and good out of band rejection.

VF7-ch.7-13 data sheets and sample graphs

Accessible screw tuners for frequency adjustment (RF instrument to view passband frequency response while tuning recommended)
Passband loss: 1.0 dB
Out-of band rejection: >15 dB @6 MHz from band edge >25 dB @10 MHz from band edge of channel, >40 dB approx 30 MHz from bandedge
Operating Bandwidth: 5 to 1000 MHz
Connectors: type F female 75 ohms
Options 50 ohms connectors available - inquire
Wall mount and Supplied with final production graph

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Semi-Adjacent Bandpass (any channel 5-890 MHz)

CF7 and CF7 HR Series - General Purpose Bandpass Filters

CF7-CH.#
Dim 4.5 "L x 2.5"H x 1.75 "W

CF7-CH.# HR
Dim 7.5 "L x 2.5"H x 1.75 "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 >25 dB ± 5-6 MHz (VHF HR series) from passband edges (details- see Specs). Available for CATV and ATSC systems. Available for 6 MHz HD applications as well as 8 MHz European standard. Applications: Pass preferred signal band for receive systems, or, suppress spurs at signal source for signal distribution systems.

CF7 and CF7 HR data sheets

CF7 sample graphs
CF7 HR sample graphs

Available channels: CATV: T7 - T13, 2 - 135; TV-IF, and, UHF 14 - 51
Special models for FM band, and, +700 MHz Safety and Commerial bands
Passband Group Delay: < 50 nSec; Ripple: ± .5 dB; Return Loss: >16 dB
Selectivity: semi-adjacent (details- see specs)
Operating Bandwidth: 5 to 800 / 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 CATV channel Graphs

CF7-chs T10, 3, 59 and 78, Specifications, Custom Info

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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.

BP7-UHC rack or wall mount
Dim (in): 1 RU or 7 x 16 wall space

PDF Info Sheet

Available for 460 to 850 MHz: 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 (4 Cavity): >25 dB ± 8 MHz from bandedge
Return Loss: > 16 dB

Rejection From Passsband edge (2 dB insertion Loss):

	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)

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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)

VF7-(Fc)

PDF Info Sheet

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

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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

BP7-CEW-ch.50/56

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Wide Bandpass, Non-Adjacent Filter (within 3 to 860 MHz)

CF7W and CF7W HR

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)

CF7W, custom wide bandpass, combines sharp lowpass and highpass filters together for desired passband., with 5% frequency transition from 3dB BW to 40dB stopband.
CF7W HR, custom wide UHF/LTE bandpass, combined Helical resonators to form highly selective bandpass. Available for TV or LTE 700 MHz bands from 400 to 900 MHz, with 6 to 50 MHz bandwidth, with <3.0% frequency transition from 3dB BW to 40dB stopband.
CF7W and CF7W HR standard connectors is 75 ohms F-female. Also available with 50 ohms impedance with BNC, N or SMA connectors.

Click for example graph: CF7W-698/746 HR bandpass

CF7W-698/746 HR

Provides spurious suppression for a group of consecutive RF channel modulators.
Available for standard CATV, VHF and UHF - 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)

VHF, VHF-UHF and UHF Wide Bandpass Filters (54 to 700 MHz)

CF7W Wide Bandpass Filters for Off-the-Air TV System

UHF only bandpass: 470-600 MHz Pre-selector filters

CF7W-470-600
Dim 4.5"L x 2.0"W x 1.75"H

CF7W-470-600/617
Dim 7..5"L x 2 "W x 1.75 "H

Models: CF7W-470/608 and CF7W-470/600/617

Low Loss design for 75 ohms Off-Air TV systems

CF7W-470/608 pass UHF TV chs 14-35, blocks below 440 Mhz and above 635 MHz

CF7W-470/600/617 pass UHF TV chs 14-35, blocks below 440 Mhz and above 617 MHz (LTE, band 71)

UHF insertion loss <1.5 dB , except 3 dB at 470 and 600 MHz

Out of band rejection >40dB

Return loss > 15 dB

Click for information and graphs of

CF7W-470/600 and CF7W-470/600/617

Click for CF7W info sheet

CF7W Multi-channel Bandpass

VHF-HI to UHF bandpass: 174-700 MHz Pre-selector filter

CF7W-vhf-uhf-bandpass

Dim 4.5"H x 2.5 "L x 1.75W

Low Loss design for 75 ohms Off-Air TV systems

Pass VHF chs 7-13, UHF TV chs 14-51 only. It blocks from 164 Mhz & below (including >55 dB rejection of FM, CB bands), and, blocks from 740 MHz & above

Insertion loss <1.25 dB , except 2.5 dB at 174 and 700 MHz

Out of band rejection 40dB typical

Return loss 15 dB typical

Click for graphs of 174 to 700 MHz band pass,e.g.,

CF7W-VHF-Hi-UHF

VHF-Low (54-88 MHz), VHF-Hi (174-216 MHz) Pre-selector filters

CF7W-VHF-Low or Hi

Dim 4.5"H x 2.5 "L x 1.75W

CF7W-VHF-LOW: <1dB Thru Loss in passband (except 2.0 dB at 54 and 88 MHz

Pass VHF TV chs 2 thru 6 only

Rejection >40dB: 46 MHz and below, FM band(94-108 MHz),and, >55dB UHF and above

Return loss > 16 dB

Click for data sheet of VHF bandpass filters,e.g.,