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Did you mean: High-performance CATV Diplexer Filter

AI Overview

High-performance CATV diplex filters, such as those supporting DOCSIS 3.1, enable high-speed data transmission by separating forward (downstream, ~54–1218 MHz) and reverse (upstream, 5–42/85 MHz) paths with low insertion loss, high isolation (>20-45 dB), and robust return loss. These filters are crucial in modern nodes and amplifiers to prevent interference.

Key Features of High-Performance CATV Diplex Filters:

Frequency Splits: Industry-standard splits include 42/54 MHz, 65/85 MHz, 85/105 MHz, and 204/258 MHz to accommodate expanding upstream bandwidth.
Performance Metrics:
- Insertion Loss: Very low, typically
  at 1218 MHz and
  at lower frequencies (e.g., 65 MHz).
- Isolation: High isolation (
  to
  ) ensures no interference between forward and reverse signals.
- Return Loss: Good impedance matching, often
  or better, to minimize signal reflections.
Applications: Essential for HFC (Hybrid Fiber-Coaxial) networks, including CATV amplifiers, nodes, and line extenders to handle DOCSIS 3.1/4.0 requirements.
Design: Often compact, plug-and-play modules (e.g., Teleste CXF065) designed to replace standard filters in equipment for upgraded bandwidth.

Top suppliers include MACOM, ATX Networks, Teleste, and Sanland.

Web results

Filters/Diplexers

Macom

https://www.macom.com › rf-microwave-mmwave › fil...

Macom

https://www.macom.com › rf-microwave-mmwave › fil...

We offer a range of filters and diplexers for CATV and MoCA® infrastructure subscriber equipment. Typical applications include HFC amplifiers and nodes.Read more

CATV Diplex Filter

Shenzhen Sanland Technology Co., Ltd.

https://www.sanlandtech.com › catv-diplex-filter

Shenzhen Sanland Technology Co., Ltd.

https://www.sanlandtech.com › catv-diplex-filter

Sanland is a professional and reliable manufacturer of CATV Diplex Filter. We look forward to serving you for all your needs.

Diplex Filters ( CATV and MATV Band Splitters/Combiners )

Tin Lee Electronics

http://www.tinlee.com › Diplexers

Tin Lee Electronics

http://www.tinlee.com › Diplexers

LH7S-40/50 and LH7S-48/54 - Diplexers for 2-way TV systems. High performance band splitter/combiners, designed to provide two-way capability for CATV systems.Read more

FILTERS / DIPLEXERS

dfcco

https://www.dfcco.com › document › holland › Fi...

dfcco

https://www.dfcco.com › document › holland › Fi...

PDF

Combines or separates high and low band VHF signals. Provides low insertion loss prior to channel processing and allows the balancing of bands prior to ...Read more

1 page

Filters

ATX Networks

https://atx.com › ... › SignalOn RF & L-Band Management

ATX Networks

https://atx.com › ... › SignalOn RF & L-Band Management

The SignalOn diplex filter module conveniently separates the forward and reverse path frequency so that the respective signals can then be routed to the ...Read more

MACOM Introduces New High-Performance DOCSIS 3.1 Compliant ...

Macom

https://ir.macom.com › news-release-details › macom-in...

Macom

https://ir.macom.com › news-release-details › macom-in...

These new diplex filter platforms cover the following key industry frequency splits: 42/54, 65/85, 85/105 and 204/258 MHz, and operate from 5 to 1218 MHz. These ...

DOCSIS 3.1 Compliant CATV Diplex Filters | 2015-10-06

Microwave Journal

https://www.microwavejournal.com › articles › 25284-d...

Microwave Journal

https://www.microwavejournal.com › articles › 25284-d...

Oct 6, 2015 — Available in plug-and-play vertical and horizontal form factors along with surface mount configurations, MACOM's new high-performance diplex ...Read more

32-54mhz split CatV diplex filter details

Facebook · I Take Pictures of Electronic Parts

10+ comments · 2 years ago

Facebook · I Take Pictures of Electronic Parts

10+ comments · 2 years ago

The 20meter filter is centered on the high end at 7.250MHz at -2.6db, edges were at 6.200MHz and 8.000MHz. The 40MHz filter was center too high ...Read more

1.2 GHz 85/105 Diplex Filter 589497-A/2 - SQ Cable Device

sq-catv.com

http://www.sq-catv.com › home › product

sq-catv.com

http://www.sq-catv.com › home › product

1.2 GHz 85/105 Diplex Filter is a complete diplex filter with 75 ohms at all ports. This filter isolates the forward and reverse bands so that the two ...Read more

Web results

MoCA/HomePNA/CATV/SMATV/MMDS RF Diplexers

soontai.com.tw

https://www.soontai.com.tw › diplexer

soontai.com.tw

https://www.soontai.com.tw › diplexer

SOONTAI - Better choice for you. design and manufacture MoCA, HomePNA, CATV SMATV MMDS Filter ... High Performance RF Accessories. SOONTAI TECH CO., LTD.Read more

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