Trilithic

VF-5

Tunable Preselector Filter

VF-5

  • Forward and return path pre-selection
  • Tunable from 55 to 880 MHz
  • T7–T12 Channel Filters
  • High-Selectivity Shape Factor
  • Optional 20 dB preamplifier
  • Field portable

Improve your testing accuracy on both forward and return paths.

The only preselector that offers filters for testing on both the return and forward paths, Trilithic’s VF-5 Tunable Preselector Filter allows you to improve the accuracy of your measurement of composite triple beat, cross modulation and other spurious signals in a working CATV system.

The VF-5 combines six precision fixed filters for return path preselection and four tunable filters for 55-880 MHz range testing, offering the versatility technicians need for the most demanding CATV applications.

The VF-5 filter blocks illegitimate signals – which spectrum analyzers and signal level meters can generate because of input overload – and passes only the carrier to be analyzed to the instrument's input. As a result, the VF-5 can improve an instrument's reliable measurement range by as much as 30 dB.

Specifications

Frequency Range

Tunable Filters 55-880 MHz in four bands
Fixed Filters Channels T7, T8, T-9, T10, T11, T12
Shape Factor (30 dB BW / 3 dB BW) = 2.2 / 1
Insertion Loss 1.5-3.5 dB, depending on band
In-channel VSWR 1.5:1, maximum
Shape Factor
VF-1 and VF-3:
(30 dB BW / 3 dB BW) = 3.5:1
VF-2 and VF-4:
(30 dB BW / 3 dB BW) = 2.2:1

AM-1000 Preamplifier:

Frequency Range 50-1000 MHz
Nominal Gain
20 dB @ 600 MHz
17 dB @ 750 MHz
16 dB @ 1000 MHz
Impedance 75 Ohms, nominal
Noise Figure 5 dB
Power Internal NiCad battery, 4 hours operation per charge

 

Upgrades

  • 5VF55/110-5-75 Tunable Bandpass Filter

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    Tunable Bandpass Filter 55-110 MHz.

  • 5VF110/220-3-75 Tunable Bandpass Filter

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    Tunable Bandpass Filter 110-220 MHz.

  • 5VF220/440-1.5-75 Tunable Bandpass Filter

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    Tunable bandpass filter 220 - 440 MHz.

  • 5VF440/880-1-75 Tunable Bandpass Filter

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    Tunable bandpass filter 440 - 880 MHz.

  • VF-5 Hard Case

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    Hard case replacement for the VF-5.

  • T7 - T12 Module with VF-5 Hard Case

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    Fixed frequency T7 through T12 channel filters with hard case.

Accessories

  • VF-5 Carrying Case (CC-12)

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    Padded carrying case for the VF-5.

  • AM-1000 Preamplifier

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    75 Ohm, 20 dB Preamplifier, Battery operated. Installed in lid of VF-series filters.

  • AM-1000/Tricorder Battery

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    NiCAD battery for the AM-1000 Pre-Amplifier used in VF-4 & VF-5 Portable Pre-Selectors and the Tricorder.

  • AM-1000RC Preamplifier

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    AM-1000 retrofit kit for existing VF-series filter banks. Includes new VF-4 case and AM-1000.

  • AM-1000 Bench Type Preamplifier

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    20 dB preamplifier, bench-type, 75 Ohm. Stand alone Unit.

  • 75 Ohm BNC Female Connector

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  • 75 Ohm F Female Connector

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  • T7-T12 Filters (In Benchtop Enclosure)

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    Fixed frequency T7 through T12 channel filters.

Warranty

Repairs

All repairs carry a 90-day warranty against defects in replacement parts and repair workmanship.

Products

All Trilithic products are warranted against defects in materials or workmanship for a minimum of one year after shipment.

The following products carry a Manufacturers Two Year Warranty

860 DSP, 860 DSPi & 860 DSPh Model Two Lite Super Plus
CT-2/ CT-3 Model Three RSVP²
Model Two Searcher Plus GT 9581 SST & TPX

Trilithic's obligation under this warranty is limited to the repair or replacement of the product after being returned to our factory, and Trilithic determining the product be indeed defective.

This is Trilithic's sole warranty and is given in lieu of all other warranties, expressed or implied, including warranties of merchantability or fitness for a particular purpose and sets forth the buyers sole remedy.

The following products carry a Dell Three Year Warranty

All Specially Configured Dell PowerEdge 2U Rack Mount Server products are warranted against defects in materials or workmanship for a minimum of three years after shipment. Dell provides next business day, parts and labor, on-site response for the following Trilithic products.

ADIA Integrated Server Package LAW "System" Server Package
Guardian II Integrated Server Package Trilithic Data Manager (TDM) Integrated Server Package
LAW "Area" Server Package  

 

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