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Stereo Encoder for FM broadcasting. High quality stereo coder.


Тested and working modules. You'll get what you see in the photos!
The product is made by hi-quality original electronic components , no chinese analogues !!!


CLICK HERE for Stereo Compressor/Limiter/Clipper For FM Broadcast

"This stereo encoder is a halfway between analogue and digital processing. It combines the best from both domains to provide high-quality . The sampling frequency used in this stereo encoder is 97 times (!!!) higher than the pilot tone frequency. This makes very easy to reject all spectral residues around the sampling frequency without affecting the main signal characteristics. Using of a microcontroller allows to build this stereo encoder with reduced part count and get excellent results in real operation."


Characteristics:

Supply voltage:9-16 V (stabilized)
Quiescent supply current (12 V):34 mA
Audio 19 kHz rejection:45 dB
Channel separation at 1 kHz:>55 dB
Subcarrier rejection:>60 dB
Pilot sampling frequency:1.843 MHz (19 kHz x 97)
Subcarrier sampling frequency:1.843 MHz (38 kHz x 48.5)
Pilot sync. output:TTL
Max. audio input voltage:10 V pp (3.55 V rms)
Pilot tone level:linear adjustable 0-0.5 V pp
Output voltage gain:linear adjustable 0-2.5
Audio input impedance:
2000 ohm
RDS input impedance:1000 ohm
MPX output impedance:500 ohm
Pilot sync. output impedance:10000 ohm
Signal-to-noise ratio: >80 dB