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Televízió modulátor Terra MT-30A VSB 1-69 és S1-S38 D/K csatornákra tápegységgel
Kód: R871731
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Base Unit UC-380 (for Modular Headend MMH-3000)
View of the modulator

MT-30A is the latest product of the well known firm Terra. The modulator works in D/K audio standard. The device has a full band of channels in the D/K raster: 1 - 12, 21 - 69.
Base Unit UC-380 (for Modular Headend MMH-3000)
Top view

A high output level of the modulator (77-92 dBuV) allows to create a pass-through connection of multiple modulators. The device has a PLL frequency stabilization.
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

20 Hz - 6 MHz

Video level

1 V +- 3 dB / 75 ohm

Audio frequency

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

Audio setting stability

+- 20 kHz

Audio

6.5 MHz

5.5 MHz

A2 stereo

Offset

+-2.25 MHz max at 0.25 MHz step

Through loss

<2.0 dB

Tap bandwidth

47 - 862 MHz

Characteristic's flatness

+-1 dB

Audio / video spacing

12 / 16 dB

Modulation

75 +-10 %

Signal to noise ratio

>= 55 dB

Intermodulation products (II and III rank)

>= 60 dB

Side band attenuation on channel border

>= 35 dB

Audio preemphasis

50 us

Frequency deviation adjustment

-31% to +24%

+-6 dB

Video carrier deviation

<10-5

Power parameters and consumption

230 V / 50 Hz 5.5 VA

Voltage

198 V to 250 V

Working temperature

-10 oC to +50 oC

External size / 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 using ~230 V mains voltage. Such voltages can cause death.
Additional information: "CCTV on television" (so far in Polish, but the diagrams should be comprehensible) here - PDF.
A termék nem elérhető
 
Televízió modulátor Terra MT-30A VSB 1-69 és S1-S38 D/K csatornákra tápegységgel
Kód: R871731