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FM Stereo Broadcast Transmitter
FM Stereo Broadcast Transmitter
FM Stereo Broadcast Transmitter

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)



Model: DT-FM-SBT-92xx Brand: DAYTAI
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Product Description

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

Specification

S/No.

Item

Unit

Technical Index

Remark

1

Output Power

W

500


2

Frequency

MHz

1kW≤

65.5~87; 87~108


1kW

87108

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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