Stereo Compressor Limiter Clipper Encoder for FM broadcasting

Description

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Stereo
Compressor
,
Limiter
,
Clipper
and Encoder
f
or FM Transmitter Broadcast
. High quality
.
Еverything you need in one board.
Tested 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 !!!
Characteristics:
No signal overshooting
Low noise and distrortion
Simple to adjust
Preciese preemphasis
(50us/75us selectable by jumper
)
including HF clipping with no distortion audible
Signal overshooting prevention (overshooting max. 10 %)
Low noise and distortion
Pilot tone level, audio gain and output level adjustment
High channel separation and spectral purity in common operation
RDS input and pilot sync. output makes easy to connect any RDS encoder
Microcomputer controlled
PCB size without connectors
65mm x 215mm (65mm x 245mm with connectors)
Supply voltage:
9-16 V
(stabilized)
Quiescent supply current (12 V):
50 mA
Output voltage:
linear adjustable 0-3.5 V p-p (0-1.2 V rms)
Lower cut-off frequency (3 dB):
input: 25 Hz, output: <2 Hz
Upper cut-off frequency (3 dB):
14.5 kHz
Min. input voltage:
0.6 V p-p (0.2 V rms)
Input impedance:
50
00 ohm
Output impedance:
500
ohm
Signal-to-noise ratio:
>70 dB
Encoder
Audio 19 kHz rejection:
40 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:
>70 dB
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tereo Encoder for FM broadcasting. High quality stereo coder
”
Click here for “Stereo Compressor/Limiter/Clipper For FM Transmitter Broadcast”