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Overlap Blocking Filter Pass 39-52

Product Code: PROOBF1B

  • Overlap blocking filter Ch.39-52
  • Used for blocking unwanted signals
  • F-Type
  • 1 input 1 output
Overlap Blocking Filter Pass 39-52
Overlap Blocking Filter Pass 39-52

Discontinued

This product has been discontinued, please see products below.

Product Description

Overlap Blocking Filter Pass 39-52

A range of UHF band-pass filters from Proception, intended for blocking unwanted reception of transmissions from an adjacent region.

The introduction of high-power digital transmissions has led to problems with some receivers selecting multiplexes from out-of-area transmitters, leaving confused viewers watching the wrong regional services, or even listening to the wrong language!

Although this problem should be solved in the longer term by receiver developments, the use of band-pass filters can provide a quick, simple and cost effective solution, saving installers frequent call-backs.

Other Applications:

The entire range offers excellent cut-off below 470MHz and will help with problems from TETRA, telemetry and 70cm amateur band transmissions. Above channel 62 all versions will help solve GSM mobile phone interference problems, while the A and B models will additionally help suppress the forthcoming LTE (4G) signals.

Features:

  • Optimised pass-bands cover most UK requirements in just four versions.
  • Good out-of band rejection helps block TETRA and GSM, also LTE (4G), depending on model.
  • F type connectors for good screening factor, helping prevent leakage around the filter.
  • Good 75O match throughout the pass-band.
  • DC blocked, no damage if inadvertently line-powered (24VDC max).
  • Optional weatherproof outdoor housing available.
  • Equipotential bonding terminal.

Technical Information:

Product Code
Channels
Freq.Lower Upper1

Insertion

loss2

Stopband

Rejection3

Conn.

PROOBF1A

21 - 30

470 - 550MHz

DC - 438MHz

578 - 1600MHz

<3dB

>30dB

F

PROOBF1B

39 - 52

614 - 726MHz

DC - 578MHz

762 - 1600MHz

<3dB

>30dB

F

PROOBF1C

48 - 62

686 - 806MHz

DC - 650MHz

920 - 1600MHz

<3dB

>27dB

F

PROOBF1E

39 - 62

614 - 806MHz

DC - 562MHz

920 - 1600MHz

<3dB

>27dB

F

PROMHDCASE-S

Case for external installations


1. Specified stop-band rejection is typically maintained to above 2GHz (but is not guaranteed above 1.6GHz).
2. Insertion loss may increase slightly at the pass-band edges, but will not exceed 4dB.
3. Typical stop-band rejection is around 35 to 40dB except close to the band edges.

OBF

Technical Specification

IEC or F Type

F-Type

Width

20mm

Depth

48mm

Height

80mm

Weight

0.04kg

Frequently Asked Questions

An Overlap Blocking Filter (OBF) Pass 39-52 is a specific filtering technique used in signal processing, particularly in digital communications, to attenuate interference and improve signal quality within the frequency range of 39 to 52 Hz.
OBF Pass 39-52 is tailored to address interference and noise within the narrow frequency band of 39 to 52 Hz. Unlike broader filters, which may cover wider frequency ranges, OBF Pass 39-52 focuses specifically on this range to enhance signal clarity.


13/12/2024

Really fast delivery


10/12/2024

All good. Easy ordering, good pre-sales support and prompt service.


09/12/2024

Delivered, Arrived, Installed :-)


08/12/2024

Hello Aerial is great, very good service from Blakes, would recommend them. I was unsure as to which size aerial I was going to need for good FM radio reception in my area. I went to one of the BBC sites to find the transmitter that served my area and how strong the signal was. Blakes was very helpful, the young lady measuring the aerials for me just to be sure. Excellent.

Steven
07/12/2024

Excellent service from the start when using the very good online chat. Asked excellent questions which led to great recommendation to replace my tv aerial from outside to within my loft. On arrival within 48 hours of ordering the aerial is very well made. A highly recommended company

Google Company Reviews

Gary S
Gary S
18/12/2024

Very well made Aerial. Prompt delivery and customer service response when needed.

Robert Anderson
Robert Anderson
17/12/2024

Excellent product and service from staff.

kevin thorley
kevin thorley
15/12/2024

Fantastic service. Will definitely buy again from Blake uk

karl taylor
karl taylor
29/11/2024

No issues. Very quick posting. Thank you

mike medcalf
mike medcalf
26/11/2024

Item was as described and arrived promptly. Would recommend and use again.

Discontinued

This product has been discontinued, please see products below.