Specializing in R&D & Production in xPON & Optical Communication & CATV & Ethernet Networking
HANGZHOU DAYTAI NETWORK TECHNOLOGIES CO.,LTD.
DAYTAI-HANGZHOU-CHINA
Tel:
+86-571-8735 7725-Español
+86-571-8735 7726-English
+86-571-8735 7727-English
+86-571-8735 7728-English
Fax : +86-571-8735 7798
Mr.Amani
Skype:daytai-amani
Mobile:+86-137 7755 3827
WeChat:+86-180 7288 6827
E-mail:info@daytai.com
Web Site:WWW.DAYTAI.COM
                                                                                                
                                    DAYTAI FM Stereo Broadcast Transmitter,(DT-FM-SBT-92xx) are newest generation of FM stereo Broadcast Transmitter with
low and medium power. It adopts advanced third generation of FM modulation technologies: digital signal processing (FPGA)
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                    DAYTAI FM Stereo Broadcast Transmitter,(DT-FM-SBT-92xx) are newest generation of FM stereo Broadcast Transmitter with
low and medium power. It adopts advanced third generation of FM modulation technologies: digital signal processing (FPGA)
and digital frequency synthesis technology (DAC). DT-FM-SBT-92xx series transmitters take use of the advantage of audio
processing technology to provide users a CD quality hearing experience with high linear and high gain LDMOS tube amplifier module.
★Features
⊙Full digital front panel control, easy operation
⊙24-hour working unmanned, user friendly design
⊙Support fault self-diagnosis and self-protection
⊙Adjustable output power as needed (10W~10kW)
⊙Air-cooled system with low consumption and low noise
⊙Equipped with multiple lightning protection measures
⊙LED on the front panel supporting alarm and signal monitor
⊙Adopt high gain and high linear LDMOS tube amplifier module design
⊙Multi lightning protection measures, good protection for whole equipment
⊙Adopt international advanced signal processing technology (FPGA) for audio encoding
⊙Two Transmitters can be connected simultaneously by Coaxial switch, and one for back up
⊙Fully complying with national standard (GB/T4311-2000) and industrial standard (GY/T169-2001)
⊙Support AGC function with sustained power output (±0.1dB) to ensure the transmitter a good stability and reliability
⊙Low power consumption and super linear design to improve the transmission power, and reduce the nonlinear distortion
⊙High-efficiency power supply with wide range of voltage (AC100~264V), suitable for different working condition
S/No.  | Item  | Unit  | Technical Index  | Remark  | ||
1  | Output Power  | W  | 500  | |||
2  | Frequency  | MHz  | 1kW≤  | 65.5~87; 87~108  | ||
1kW>  | 87~108  | |||||
3  | Frequency deviation  | Hz  | ≤500  | |||
4  | Sparious Radiation  | dB  | ≤-70  | |||
5  | parasitic amplitude modulation noise  | dB  | -60  | |||
6  | Pilot frequency deviation  | Hz  | ±1  | |||
7  | S signal 38kHz Residual component  | dB  | <-40  | |||
8  | Deviation (100% modulation)  | kHz  | ±75  | |||
9  | pre-emphasis  | µs  | 50  | |||
10  | Distortion (100% modulation)  | L  | %  | <0.2  | ||
R  | ||||||
11  | Frequency response (without emphasis, de-emphasis)  | L  | dB  | ±0.2  | ||
R  | ||||||
12  | Frequency response (with emphasis, de-emphasis)  | L  | dB  | ±0.2  | ||
R  | ||||||
13  | SNR (100% modulation)  | L  | dB  | ≥75  | ||
R  | ||||||
14  | L/R Separation  | L R  | dB  | >70  | ||
R L  | ||||||
15  | L/R level diffrence  | dB  | <0.1  | |||
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