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
BP7-CB	Anti-radar C-Band Bandpass Filter
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

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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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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

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UHF/Hyperband Channel Bandpass 400 to 900 MHz

BP7-UHC High performance bandpass NTSC/ATSC

UHF or CATV Hyperband, cavity-type, single channel bandpass with low loss and highly selective skirt. Suitable for reception and low power (25 watt) transmitter applications. Available with 3, 4 or 5 cavities. Bandpass channel is user specified and is also re-tunable.

BP7-UHC with side notch filters
Dim (in): up to 7 x 19 panel

Available for: 14-42 UHF (62-93 CATV), 43-69 UHF (94-125 CATV)
Available with custom side notch filters for greater selectvity
BP7-UHC can be re-channelized between 14-42 UHF (62-93 CATV)or 43-69 UHF (94-125 CATV)
Passband Bandwidth: 4.5 MHz NTSC(6 MHz ATSC bandwidth available in 3 and 4 cavity models)
Passband Bandwidth: 8 MHz bandwidth available in 3 cavity model
Passband Loss: <1.5 dB; Stopband: >40 dB from ± 8 MHz
Return Loss: more than 15 dB

Rejection From Fo:

	3 Cavity	4 Cavity	5 Cavity
10 dB	+/- 8 MHz	+/- 7 MHz	+/- 6 MHz
20 dB	+/-13 MHz	+/- 9 MHz	+/- 7 MHz
40 dB	+/-22 MHz	+/-13 MHz	+/- 9 MHz

Reject Band: 5 MHz to 1 GHz
RF Power Handling: 25 Watts max
Connectors: "F" females (standard), 50 BNC/N optional

Example Graph: BP7-UHC-614/200

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Anti-radar C-Band Bandpass Filter

BP7-CB

Anti-radar C-Band Bandpass Filter

BP7-CB
Dim (in): 4.75" x 3.25" x 4"

Passband: 3.7 to 4.2 GHz
Passband Bandwidth: 500 MHz
Insertion Loss: less than 1 dB

Rejection:

	Below Band	Above Band
20 dB	3.65 GHz	4.25 GHz
45 dB	4.30 GHz	-
50 dB	3.60 GHz	-
70 dB	3.55 GHz	4.40 GHz

Connectors: WR229
Smaller unit allows shroud to fit over the filter as well as the LNA/LNB

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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

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

CF7W-VHF/UHF
Dim 3.5"H x 8 "L x 3.5W

Double bandpass: 174-216 MHz and 470-806 MHz Pre-selector filter

Low Loss design for 75 ohms Off-Air TV systems
VHF and UHF insertion loss <1 dB , except 1.5 dB at 806 MHz
Out of band rejection 25dB typical
Return loss > 16 dB
Can be trap enhanced for greater selectivity
Click for graph of wide band pass e.g., CF7W-VHF/UHF

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