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MBC-3200 FM Multiplex Broadcasting DARC Encoder


The MBC-3200 is a DARC encoder with modulation function developed for Chinese traffic congestion information system(DARC-RTIC).  This unit simultaneously encodes digital traffic congestion information which is sent from traffic information center via WAN into analog signal by DARC-RTIC method. The output signal is input into FM multiplex broadcasting system, used for providing traffic congestion information for large area to drivers by using FM Broadcasting .

Block Diagram

This unit equips DARC method data encode modulation function, instantaneously encodes and outputs data which is sent to this unit into FM multiplex signal.
This unit equips TCP/IP, Web Server, UDP/IP, SMTP, Telnet, etc. as standard interface for network.
The below modules are available as option.
1. Stereo Modulator Option (for testing) 2. USB connector


Output level 4Vp-p : Max(100% : 20.0Vp-p = 75kHz ; ×1 MPXOUT GAIN)
L-MSK level control Auto/Manual
Auto deviation 10.0% : Max to 4.0% : Min
Manual deviation 0.0 to 20.0% (0.1% : step)
Sub-carrier frequency 76 kHz ±2Hz
Distortion < 0.1% (1Vp-p : Max)
S/N < 0.05% (@ 1kHz, 1Vp-p : Max)
Data modulation method LMSK 16Kbps : 76kHz±4kHz

 Analog Input
MPX (RDS) Input
Connector BNC
Input range 0.0 to 5.0Vp-p (Pass B. 30Hz to 100kHz)
Impedance 10kΩ
Pilot Input
Connector BNC
Input range 1.0 to 3.0Vp-p (19kHz : Fix)
Impedance 10kΩ
AF Input (L, R)
Connector BNC × 2
Input range 2Vp-p : Fix, (Pass B. 30Hz to 15kHz)
Impedance 10kΩ

 Analog Output
MPX (RDS) Output
Connector BNC
Input range 0.0 to 8.0Vp-p :Max
Impedance 75kΩ

USB port (Option)
Interface USB2.0
Connector Type B
COM0 serial port
Interface RS232C (EIA-574)
Connector D-sub9 (male)
Speed 38400bps
Condition 8bit, None Parity, stop 1bit, RTS-CTS
Ethernet port
Interface 10BASE-T/100BASE-TX (Auto Sensing)
Connector RJ45
Compatibility IEEE802.3
Protocol TCP (UDP)/IP, HTTP, SMTP, Telnet

 General Data
Power requirements AC 110 V / 220 V
Tolerance ±10%
Main frequency 50/60Hz 10%
Power consumption 40VA : Max
Dimensions Approx. 440(W)×44(H)×370(D)mm
Weight Approx. 3.5kg
Operating temp. range 0℃ to +40℃ ( <RH85% )
Guarantee temp. range +10℃ to +35℃ ( <RH85% )
Storage temp. range -20℃ to 60℃ ( <RH90% )

* Specifications are subject to change without notice.


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