Professional FM Modulator for Radio Station

Product Details
Customization: Available
Type: Radio Signal Modulation
Function: Signal Transmitting Device, Signal Transmission Equipment
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  • Professional FM Modulator for Radio Station
  • Professional FM Modulator for Radio Station
  • Professional FM Modulator for Radio Station
  • Professional FM Modulator for Radio Station
  • Professional FM Modulator for Radio Station
  • Professional FM Modulator for Radio Station
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Basic Info.

Model NO.
ZHC368D
Condition
New
Transport Package
Paper Box
Specification
professional
Trademark
ZHC
Origin
China
HS Code
8525500000
Production Capacity
500sets/month

Packaging & Delivery

Package Size
50.00cm * 40.00cm * 20.00cm
Package Gross Weight
4.000kg

Product Description

ZHC368 FM Radio Modulator
Professional FM Modulator for Radio Station

Overview: 
ZHC368D FM Stereo Broadcast Modulator is an excellent software radio product with excellent performance. The whole modulator adopts new digital signal processing (DSP) and direct digital frequency synthesis (DDS) technology. With the advantages of digital processing technology, it provides users with a perfect listening experience close to CD sound quality.
The modulator is composed of five parts: main control display, audio interface, digital signal processing, remote control telemetry interface and power supply. The modulator is installed in a 19-inch 1U standard case, and all input and output signals are led out from the rear panel.

Features: 
The whole process is digitally processed to achieve a perfect hearing effect close to the sound quality of CD
Using new 550MHz digital signal processing (DSP) technology
1000MHz direct digital frequency (DDS) synthesis technology
Using highly reliable system-on-chip (SOC) microprocessor technology
Support AES/EBU standard digital audio input
Support RDS subcarrier input
LCD display working parameters in real time
Standard TCP/IP and RS232/485 serial communication remote control telemetry interface
High-quality aluminum alloy, 1U, 19-inch standard case
Input power AC 220V/110V can be switched

Technical Specifications: 
1. RF frequency range              87MHz ~ 108MHz in 10kHz steps
2. Output level                     -30dBm ~ 10dBm continuously adjustable
3. Output impedance                    50Ω
4. RF output level display                LCD
5. RF output connector                   BNC
6. Residual wave radiation                <-60dB
7. Parasitic amplitude modulation         < -50dB
8. Allowable deviation of carrier frequency ± 200Hz
9. Analog audio input                   -12dBm ~ + 8dBm
10. Audio level gain                     -15dB ~ + 15dB step 0.1dB
11. Analog audio input impedance       600Ω balanced
12. AES / EBU input impedance          110Ω balanced
13. AES / EBU input level                0.2 ~ 10Vpp
14. AES / EBU sampling rate             30kHz ~ 96kHz
15. SCA input                         unbalanced (option) BNC type connector
16. Audio pre-emphasis                   0μs, 50μs, 75μs
17. Frequency response                   ± 0.01dB (30Hz ~ 15000Hz)
18. Left and right channel level difference <0.01dB (100% modulation)
19. Stereo resolution                      ≥70dB (30Hz ~ 15000Hz)
20. Stereo signal-to-noise ratio            ≥90dB (1KHz, 100% modulation)
21. Distortion                              <0.01% (30Hz ~ 15000Hz)
22. Power supply voltage           AC90V ~ AC132V or AC180V ~ AC260V
23. Chassis size                    19 inches, 1U (484mm × 305mm × 44mm)
24. Machine weight                        4kg
25. Operating ambient temperature       -5 ºC ~ + 50 ºC
26. Relative humidity                      <95%

Company Show:
Professional FM Modulator for Radio StationProfessional FM Modulator for Radio StationProfessional FM Modulator for Radio Station

Common Problems:

Q1. What these equipments used for?

A1. We are original manufacturer in FM Radio & TV Broadcasting equipments; they are professional used for FM Radio & TV Broadcasting Station (Transmitting equipment.)

 

Q2. What equipment & solution your company can provide?

A2. We can do complete solution for FM Radio Station System. It includes:Studio--Link--Transmitter--Cables--Antenna.

We also can provide complete Transmitting part of TV Station. It includes:Link-Transmitter-Cables-Antenna.
 

Q3. How large areas can One Station cover?

A3. One FM or TV Station can cover one city or one town.

The Maximum cover ranges of one station can not over 100KM Radius because the Earth is Curve.

You can use Multiple Stations & Different Frequency to cover larger area.
 

Q4. How do I choose suitable equipments for my station?

A4. The most import factors are Power and Frequency.

We need to know the Power and Frequency you need exactly.

How long the distances do you want to cover in Radius?

How height your Antenna can be installed?
 

Q5. How to calculate Broadcasting equipment Cover Range?

A5. The Cover Range depends on 4 factors:1. Power from Transmitter; 2. Height of Antenna; 3. Gain from Antenna; 4. Around Environment.

Then we can know the cover range of your station.
 

Q6. Is the Frequency Adjustable?

A6. FM Radio Band Frequency is 87~108MHz, TV Band Frequency includes UHF/VHF band.

For FM Radio Transmitter; Power Below 2KW is all adjustable. Above 2KW would be narrow.

For TV Transmitter; all Frequency Band is very Narrow, only can contain around 3 Channels; so it's not adjustable.
 

Q7. Is your Analog TV Transmitter can be upgraded to Digital?

A7. Yes, we can. But the Frequency Band should be the same.

The only difference between Analog & Digital TV Transmitter is its TV Modulator.

After upgrade to Digital, the Power from TV Transmitter reduced 5 times.

For example: 1KW analog TV Transmitter can be upgraded to 200W Digital TV Transmitter.
 

Q8. How to do installation of these equipments?

A8. For small power station, the equipments are very easy for installation.

For large power station, we can send our engineer to your country to help you do the installation, but you should pay the cost.

We also can do training for your engineer here in our company.
 

Q9. How to operate these broadcasting equipments?

A9. We provide All-English user manual; All-English operation software in our equipment.

We also can do training for your engineer here in our company.
 

Q10. What about after sales?

A10. The warranty time is one year after goods leaving factory.

We can provide technical support from internet or in our company.

We can send spare parts to you directly when the equipment damaged.


Mike Cai 
International Sales Director
ZHC(CHINA) Digital Equipment Co., LTD
Add: Building 5th, No.23, Jugong Rd. Binjiang District, Hangzhou, China
Tel: +86 571 8238 1886
Mobile: +86 135 8821 5572

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