Difference between revisions of "Talk:FM Microbroadcasting & LPFM Radio Equipment"

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(→‎QN8007: new section)
 
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QN8007 is square
 
QN8007 is square
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== Ramsey FM100BWT ==
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[[File:ramsey-fm100bwt-front-large-600x416.jpg]]
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Our FM100B is the updated version of a truly professional frequency synthesized radio transmitter station in one durable, handsome cabinet. It is used all over the world by serious hobbyists as well as churches, drive-in theaters, and schools. No one else offers all of these features at this price! The included frequency display and audio level meters assist in easy operation. The “B” version now includes some additional functionality including a line level monitor output, improved stereo separation, spectral purity, audio clarity, and adjustable RF Output.
 +
 +
Sound quality is impressive, and equal to or better than most commercial stations. Low pass input filtering plus peak limiters put maximum “punch” in your audio, and prevent over-modulation distortion. Churches, drive-ins, schools and colleges find the FM100B to be the answer to their transmitting needs… you will too. The kit includes a sharp looking metal cabinet, whip antenna, and built-in 110/220 volt AC power supply. An external antenna connection allows hook-up to high performance antennas like our vertical and co-linear models. We also offer a high power export version of the FM100B that’s fully assembled with one watt of RF power, for miles of program coverage. Many islands and villages use it as their local radio station! One watt units at full power cannot be used with the telescoping whip antenna and MUST be utilized with an external antenna to maintain proper VSWR.
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== FCC Part 73, Subpart G ==
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FCC Part 73, Subpart G
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 +
LPFM
 +
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LP100 Stations with FCC ID: XOASRC-LPFM1 and Canada IC: 8728A-SRCLPFM1.
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== Shortwave Pirate Radio In North America And Around The World, And Other Signals That Go Bump In The Night ==
 +
 +
HFU HF Underground »
 +
 +
We seek to understand and document all radio transmissions, legal and otherwise, as part of the radio listening hobby. We do not encourage any radio operations contrary to regulations. Always consult with the appropriate authorities if you have questions concerning what is permissable in your locale.
 +
 +
* [https://www.hfunderground.com/board/ Shortwave Pirate Radio In North America And Around The World, And Other Signals That Go Bump In The Night]
 +
* [https://www.hfunderground.com/board/index.php/board,30.0.html North American AM/MW Free Radio Station Loggings]
 +
 +
== Free Radio Berkeley ==
 +
 +
The RF Emporium is the store site for Free Radio Berkeley.  It is the mission of Free Radio Berkeley to provide the tools, equipment and educational resources to empower those without a voice to have a voice.  For further information about Free Radio Berkeley and information regarding FM and TV broadcasting, please visit our website - www.freeradio.org.  For information about some of our international projects, go to www.radiotupa.org
 +
* https://www.rfemporium.com/About-Us_ep_7.html
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== radio FM broadcasting equipment  ==
 +
These are some of my [https://bbs.freetalklive.com/free-radio-forum/pirate-fm-broadcasting-transmitterequipment-sources/ favorite internet sources] for radio FM broadcasting equipment which I put together for reference in my own radio forums.  Thought I'd pass it along here:
 +
 +
Sources for FM transmitters, amplifiers, antennas, equipment
 +
 +
One should bear in mind that if you live in the United States, most US-based companies may refuse to sell you an assembled FM transmitter, as that violates FCC regulations.  However, they may sell it in kit form.  Other countries may have the same restrictions.  Luckily, with today's global internet market, it should be quite easy to find a source in a different country who will be only too happy to sell you what you need in assembled form.
 +
 +
FM Broadcast Transmitters, Amplifiers and Other Equipment
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*http://www.freeradio.org/
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*http://www.veronica-kits.co.uk/
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*http://www.aareff.com/
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*http://www.wavemach.com/
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*http://www.progressive-concepts.com/
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*http://www.pcs-electronics.com/
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*http://www.broadcastconcepts.com/
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FM Broadcast Antennas
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*http://www.aareff.com/en/5-8-fm-transmitter-antenna.htm
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*http://fmbroadcastantenna.com/dominator.html
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*http://www.fmdxantenna.com/products.php?cat=FM+Transmitter+Antennas
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*http://www.jpole-antenna.com/antennas/low-power-fm-broadcast-antenna/
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== CYBERMAXFM ==
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SKU: Backed by 5 years warranty Category: CyberMax+ FM transmitters
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https://www.pcs-electronics.com/shop/fm-transmitters/cybermax-fm-transmitters/cybermaxfm-be-1w-100w-black-edition/
 +
 +
CyberMaxFM+ BE+ 5W STEREO DSP + RDSModel: BE+ 5W STEREO DSP + RDS
 +
CyberMaxFM+ BE+ 5W STEREO DSP + RDS quantity
 +
€ 869,99 or $1086 USD
 +
 +
== thanksbuyer fm transmitter ==
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fm transmitter
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https://www.thanksbuyer.com/product/search?search=fm%20transmitter
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== VERONICA FM STEREO 20 WATT BROADCAST TRANSMITTER. ==
 +
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This is true. Their 25 watt amplifier actually produces 18 watts with a full
 +
1.2 watt drive. The 30 watt transmitter has a 1 watt coming off the main
 +
board, a 5 watt amp which goes into a 30 watt amp. What a mess.
 +
"BIAS COMMS" <bias...@blueyonder.co.uk> wrote in message
 +
news:r6ymc.3843$Rm5.36...@news-text.cableinet.net...
 +
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== local links ==
 +
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[[Motorola C-QUAM]]
 +
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== single Motorola chip ==
 +
 +
The Ramsey kits and many of the cheap FM transmitters used a single Motorola chip that was basically a transmitter in a tight package. You provided a 38mhz crystal and input/output stages. It wasn’t bad and if you built a decent pll section to lock the frequency, it’d do a decent job. But the stereo separation and cross talk was garbage..
 +
* https://www.halloweenforum.com/threads/fm-transmitter-a-good-cheap-one.207831/
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== top transmitter brand names for LPFM ==
 +
These are not necessarily companies making LPFM certified exciters. 
 +
 +
* Nautel
 +
* Crown
 +
* Armstrong
 +
* Nicom
 +
* Harris
 +
* BE aka Broadcast Electronics
 +
* Continental
 +
* Bext

Latest revision as of 20:13, 26 February 2024

QN8007

The QN8007 is a very good IC chip.

others: QN8027 or a QN8066.

8027 and 8066 are rectangular

QN8007 is square

Ramsey FM100BWT

Ramsey-fm100bwt-front-large-600x416.jpg

Our FM100B is the updated version of a truly professional frequency synthesized radio transmitter station in one durable, handsome cabinet. It is used all over the world by serious hobbyists as well as churches, drive-in theaters, and schools. No one else offers all of these features at this price! The included frequency display and audio level meters assist in easy operation. The “B” version now includes some additional functionality including a line level monitor output, improved stereo separation, spectral purity, audio clarity, and adjustable RF Output.

Sound quality is impressive, and equal to or better than most commercial stations. Low pass input filtering plus peak limiters put maximum “punch” in your audio, and prevent over-modulation distortion. Churches, drive-ins, schools and colleges find the FM100B to be the answer to their transmitting needs… you will too. The kit includes a sharp looking metal cabinet, whip antenna, and built-in 110/220 volt AC power supply. An external antenna connection allows hook-up to high performance antennas like our vertical and co-linear models. We also offer a high power export version of the FM100B that’s fully assembled with one watt of RF power, for miles of program coverage. Many islands and villages use it as their local radio station! One watt units at full power cannot be used with the telescoping whip antenna and MUST be utilized with an external antenna to maintain proper VSWR.

FCC Part 73, Subpart G

FCC Part 73, Subpart G

LPFM

LP100 Stations with FCC ID: XOASRC-LPFM1 and Canada IC: 8728A-SRCLPFM1.

Shortwave Pirate Radio In North America And Around The World, And Other Signals That Go Bump In The Night

HFU HF Underground »

We seek to understand and document all radio transmissions, legal and otherwise, as part of the radio listening hobby. We do not encourage any radio operations contrary to regulations. Always consult with the appropriate authorities if you have questions concerning what is permissable in your locale.

Free Radio Berkeley

The RF Emporium is the store site for Free Radio Berkeley. It is the mission of Free Radio Berkeley to provide the tools, equipment and educational resources to empower those without a voice to have a voice. For further information about Free Radio Berkeley and information regarding FM and TV broadcasting, please visit our website - www.freeradio.org. For information about some of our international projects, go to www.radiotupa.org

radio FM broadcasting equipment

These are some of my favorite internet sources for radio FM broadcasting equipment which I put together for reference in my own radio forums. Thought I'd pass it along here:

Sources for FM transmitters, amplifiers, antennas, equipment

One should bear in mind that if you live in the United States, most US-based companies may refuse to sell you an assembled FM transmitter, as that violates FCC regulations. However, they may sell it in kit form. Other countries may have the same restrictions. Luckily, with today's global internet market, it should be quite easy to find a source in a different country who will be only too happy to sell you what you need in assembled form.

FM Broadcast Transmitters, Amplifiers and Other Equipment

FM Broadcast Antennas

CYBERMAXFM

SKU: Backed by 5 years warranty Category: CyberMax+ FM transmitters

https://www.pcs-electronics.com/shop/fm-transmitters/cybermax-fm-transmitters/cybermaxfm-be-1w-100w-black-edition/ 

CyberMaxFM+ BE+ 5W STEREO DSP + RDSModel: BE+ 5W STEREO DSP + RDS
CyberMaxFM+ BE+ 5W STEREO DSP + RDS quantity
€ 869,99 or $1086 USD

thanksbuyer fm transmitter

fm transmitter

https://www.thanksbuyer.com/product/search?search=fm%20transmitter

VERONICA FM STEREO 20 WATT BROADCAST TRANSMITTER.

This is true. Their 25 watt amplifier actually produces 18 watts with a full 1.2 watt drive. The 30 watt transmitter has a 1 watt coming off the main board, a 5 watt amp which goes into a 30 watt amp. What a mess. "BIAS COMMS" <bias...@blueyonder.co.uk> wrote in message news:r6ymc.3843$Rm5.36...@news-text.cableinet.net...

local links

Motorola C-QUAM

single Motorola chip

The Ramsey kits and many of the cheap FM transmitters used a single Motorola chip that was basically a transmitter in a tight package. You provided a 38mhz crystal and input/output stages. It wasn’t bad and if you built a decent pll section to lock the frequency, it’d do a decent job. But the stereo separation and cross talk was garbage..

top transmitter brand names for LPFM

These are not necessarily companies making LPFM certified exciters.

  • Nautel
  • Crown
  • Armstrong
  • Nicom
  • Harris
  • BE aka Broadcast Electronics
  • Continental
  • Bext
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