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Discontinued items

VSB TV Modulator: Terra MT-30C (B/G ch.1-69 & S1-S38, A2 stereo)
Code: R871733
Withdrawn from the offer
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

CodeR871731R871732R871733
Input parametersVideo 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 parametersLevel / 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!
Withdrawn from the offer
 
VSB TV Modulator: Terra MT-30C (B/G ch.1-69 & S1-S38, A2 stereo)
Code: R871733