UC-250 ISDB-T MODULATOR - Download spec sheets

 

 

 

Upcom Technologies' UC-250 ISDB-T is a broadcast level digital modulator
compatible with ISDB-T and ISDB-TB standards. It is designed to meet
digital terrestrial TV broadcasting applications , from ASI Transport
Stream inputs to UHF or VHF modulated signal outputs.

  • FULLY COMPLIANT WITH ISDB-T AND ISDB-TB STANDARD
  • HIGH MER, RF STABILITY, SHOULDER LEVEL AND LOW PHASE NOISE
  • SUPPORT 1K , 2K, 4K FFT MODES
  • GUARD INTERVAL: 1/4, 1/8, 1/16, 1/32
  • FEC: 1/2, 2/3, 3/4, 5/6, 7/8
  • CONSTELLATION: DQPSK, QPSK, 16QAM, 64QAM
  • MFN AND SFN NETWORK OPERATION (IIP PACKETS)
  • RF AGILE FROM 50MHz TO 860MHz WITH STEP 1Hz
  • OPTION IF AGILE FROM 34MHz TO 70MHz WITH STEP 1Hz
  • POWERFUL LINEAR AND NON-LINEAR PRECORRECTION
  • SUPPORT CREST FACTOR ADJUSTMENT
  • EXTERNAL 1PPS AND 10MHz CLOCK INPUTS
  • OPTIONAL PRE- AMPLIFIER
  • OPTIONAL ONBOARD GPS
  • RS232 CONTROL AND SUPERVISION OR IP WEB BROWSER IN OPTION
  • RF AGILE FROM 50MHz TO 860MHz WITH STEP 1Hz

TS Input:







Modulation and channel coding:





IF Output Option:









Linear Pre-correction:






Adjustable Crest Factor:

Fully compliant with ARIB STB-B31 and TR-B14 standard
2 x ASI inputs:
Support 188/204 packet, Packet mode and Burst mode
Input Transport Stream Packet de-multiplexer
IIP packet management for SFN operating
TS Redundancy: Manuel/Auto, Seamless in SFN mode
Connector type: BNC female, Impedance 75Ohm

FFT: 1k ,2k, 4k
FEC: 1/2, 2/3, 3/4, 5/6, 7/8
Guard Interval: 1/4, 1/8, 1/16 or 1/32
Constellation: DQPSK, QPSK, 16QAM, 64QAM
Time interleave: 0 to 16
Channel Bandwidth: 6MHz

Central frequency: 34MHz to 70MHz, Step 1Hz
Signal level(Main): 0dBm +/- 2dB with 0dB to
-10dB attenuation adjustable by 0.1dB step
Signal stability: +/- 0.5dB?+/-1kHz
Modulation error ratio(MER): >42dB
Shoulder: >55dB
Spurious: 50dB relative to total power
MFN and SFN network operation (IIP packets)
Connector type: N female, Impedance 50 Ohm

Number of Pre correction points: 32
Amplitude pre correction: +/-3dB
Phase pre correction: +/-1us Number of Pre correction points: 32
Amplitude pre correction: +/-3dB
Phase pre correction: +/-1us

The range of Crest Factor: 8-20dB
The crest factor optimization: 1-255

RF Output:

Central frequency: 50MHz to 860MHz
Signal level(Main): 0dBm +/- 2dB with 0dB to
-10dB attenuation adjustable by 0.1dB step
Signal stability: +/- 0.5dB?+/-10kHz
Modulation error ratio(MER): >40dB
Shoulder: >50dB
Spurious: 50dB relative to total power
Connector type: N female, Impedance 50 Ohm

RF Pre-Amplifier Option:
Ultra linear amplifier for VHF, UHF Bands
Gain 15 Gain Flatness <1dB
Gain Stability <0.1dB

ISDB-T/TB Network:

Clock Reference:

SFN: Time offset setting
MFN: BR adaptation, Static delay setting

Internal 10MHz
Stability: <+/-5x10-9(typ), Output
level: 0dBm +/- 3dB
External 10MHz
Input level: -7dBm to +2dBm
Input connector type: BNC female, 50 Ohm
External 1pps reference
Input level: TTL level 5 KOhms; Pulse width: 1us
Input connector type: BNC female
Optional onboard GPS

Control and Alarm: Local control: 6 buttons, LCD screen, LED
Remote control: RS232 or WEB browser
through IP Ethernet RJ-45 in option
Power Supply: AC 110V+/-15% or 220V+/-10%, 80W
Non Linear Pre-correction:   Operating temperature: 0 to 50 degrees
Dimensions: L=540mm,
W=483mm, H=44mm (1RU)
Weight: Net 7 kg, Gross 10kg