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VSB TV Modulator: Terra MT-30C (B/G ch.1-69 & S1-S38, A2 stereo)

Code: R871733
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Details

Base Unit UC-380 (for Modular Headend MMH-3000)
View of the modulator

MT-30C is the latest product of the well known Terra company. This high-quality VSB modulator works in B/G standard, within the whole TV frequency range (B/G: ch. 1-12, S1 - S38, 21-69), with A2 stereo sound.
Base Unit UC-380 (for Modular Headend MMH-3000)
Top view

A high output level of the modulator (77-92 dBuV) allows to create cascade connections of multiple modulators. Carrier frequency is PLL stabilized.
Base Unit UC-380 (for Modular Headend MMH-3000)
75 ohm resistor included

Specifications
Name

MT-30A

MT-30B

MT-30C
Code R871731 R871732 R871733
Input parameters Video frequency range

20 Hz - 6 MHz
Video level

1 V +/-3 dB / 75 ohm
Audio frequency range

20 Hz - 15 kHz
Audio level

775 mV / 600 ohm
Output parameters Level / impedance

77 – 92 dBuV (adjustable) / 75 ohm
Channel Frequency band

1-69 (D/K)
48.5 - 862

E2-E69 (B/G)
47 - 862 MHz

E2-E69
47 - 862 MHz
Carriers accuracy

+/- 20 kHz
Audio subcarrier frequency

6.5 MHz

5.5 MHz

A2 stereo
Video carrier offset

+/-2.25 MHz max, at 0.25 MHz step
Through loss

<2.0 dB
RF loop bandwidth

47-862 MHz
RF loop freq. characteristic unevenness

+/-1 dB
A/V ratio (switchable)

12 / 16 dB
Modulation factor

75 +/-10 %
Signal to noise ratio (weighted)

>= 55 dB
II, III order intermodulation distortions

< 60 dB
Side band attenuation on channel boundary

> 35 dB
Audio preemphasis

50 us
Frequency deviation adjustment

-31% to +24%

+/-6 dB
Video carrier instability  
Power parameters and consumption

230 V / 50 Hz 5.5 VA
Supplying voltage

198 to 250 VAC
Operating temperature

-10 oC to +50 oC
External dimensions / Weight

180 x 87.5 x 50.5 mm / 0.65 kg

CAUTION:
The modulator is designed for indoor use only. The installation must be made according to the EN50083-1 standard. NOTICE: The device is powered from ~230 V power line - risk of electric shock!

Specifications

nazwa

MT-30A

MT-30B

MT-30C
kod R871731 R871732 R871733
parametry wejściowe częstotliwość wideo

20 Hz - 6MHz
poziom wideo

1V+/- 3dB/75om
częstotliwość audio

20Hz - 15kHz
poziom audio

775mV/600om
parametry wyjściowe poziom/impedancja

77 – 92dBuV(regulacja)/75om
zakres kanałów
częstotliwości

1-69 (D/K)
48,5 -862

E2-E69(B/G)
47-862 MHz

E2-E69
47-862MHz
stabilność ustawienia fonii

+/- 20kHz
fonia

6,5MHz

5,5 MHz

A2 stereo
możliwość odstrojenia fonii

+/-2,25 MHz max przy kroku 0,25MHz
tłumienie w przelocie

<2,0dB
pasmo przenoszenia w przelocie

47-862MHz
płaskość charakterystyki

+/-1dB
odstęp audio / wideo

12/16dB
głębokość modulacji

75+/-10%
odstęp sygnał szum

>/55dB
produkty intermodulacyjne II i III rzędu

<-60dB
tłumienie wstęgi bocznej na granicy kanału

>35dB
preemfaza audio

50us
regulacja dewiacji częstotliwości

-31%- +24%

+/-6dB
niestabilność częstotliwości

<10-5
pobór mocy

230V/50Hz 5,5VA
napięcie zasilania

198V do 250V
temperatura Pracy

-10stopni C - +50stopni C
wymiary zewnętrzne / masa

180x87,5x50,5mm / 0,65kg