DVB-T UHF Transmitter

Key Features 1.Enhanced signal transmission quality 2.Intelligent and modularized amplifier unit, takes high power gain and high linear LDMOS tube amplifier module design 3.Low power consumption and super linear design to improve the transmission power, and reduce the nonlinear distortion 4.LED...

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Product Details

Key Features

1.Enhanced signal transmission quality

2.Intelligent and modularized amplifier unit, takes high power gain and high linear LDMOS tube amplifier module design

3.Low power consumption and super linear design to improve the transmission power, and reduce the nonlinear distortion

4.LED on the front panel support alarm and signal monitor

5.Stabilized-power supply with wide range of voltage and high efficiency

6.Multi lightning protection measures, good protection for whole equipment.

7.24-hour working unmanned, user friendly design

8.Support fault self-diagnosis

9.Support MFN and SFN system

10.Easy to install, elegant appearance。

11.Monitoring Objects and Alarm Status


Technical Specifications

Monitoring Objects

Alarm Status

Power Supply

abnormal

Overheating

alert

Amplifier

abnormal

Antenna feed system

abnormal


Phase noise

Center frequency deviation (Hz)

Local oscillator (dBc/Hz)

@10

≤ - 70

@100

≤ - 85

@1k

≤ - 95

@10 k

≤ - 100

@100 k

≤ - 111

@1 M

≤ - 125


Electrical Parameters

Item

Technical specs

Basic Parameters

TV Standard

DTMB-T /DVB-T/DVB-C

Modulating mode

4/16/32/64 QAM

Frequency stability(3 months)

External Frequency Range: ≤10-10

Internal Frequency Range: ≤10-7

Frequency accuracy

MFN: ±100Hz / SFN: ±1Hz

Local oscillator phase noise

See table above

In-band stray

≤-60dBc

In-band ripple(fc±3.591MHz)

±0.5dB

Out-of-band rejection

≤-65dBc

Input

Frequency range

470MHz~806MHz (any 100MHz bandwidth)

level

-20±3dBm

Input reflection loss

≥15dB

connector

N-K

Output

Output power

1KW

Frequency range

470MHz~806MHz (any 100MHz bandwidth)

Output impedance

50Ω

In-band ripple(fc±3.591MHz)

±0.5dB

Shoulder level

≥40dB@central frequency FC±4.2MHz (after correction, single channel)

MER

≥35dB (after correction, single channel)

output reflection loss

≥26dB

Output power variation

±0.25dB

Inner adjacent channel transmission power

Inner adjacent channel transmission power : in-band transmission power≤-60dB,
meet that Inner adjacent channel transmission power≤13mW

External adjacent channel transmission power

External adjacent channel transmission power : in-band transmission power≤-65dB,
meet that Inner adjacent channel transmission power≤13mW

Environment condition

Working temperature

-20~+50℃

Storage temperature

-30~+75℃

Relatively humidity

<95%(no condensation at 25℃)

atm press

86~106kPa

power supply

AC,220V±10%/50Hz


FAQ

1.How can i get a sample ?

You need place sample order to us.We will arrange the sample production for you.

2.Could you do design for us?

yes, we can do artwork including printing, logo etc. for you, if you provide us the content and tell us where to put.

3.How can we place order?

After we made agreement on the product' parameters, we will make proforma invoice for your confirmation.when we got your advance payment (deposit) we will arrange the production and delivery.

If you have your own ship forwarder, we will use your ship forwarder to delivery goods. if you don't have ship forwarder, then when the goods arrived at Destination port, you must find a ship forwarder help you clear the custom.

4.How about the shipping?

For small orders, we will send the goods by International Express like HK Fedex, DHL, TNT or UPS. usually it takes about 7work days to arrive.If big quantity we will ship by Ocean transportation, it takes one month to arrive. if urgnet, you can select shipping by Air, but freight charge will be more expensive.

5.What's your products' advantages ?

A. good quality and competetive prices.

B. Strictly quality control when producing.

C. Professional team work, from design, development, producing,assemble,packing and shipping.

D. Good after-sale service. Professional online technical support can be provided. Moreover, if there is any problem of the goods, we will help to solve the problem or provide replacement of the goods.

6.How to contact us?

email: sales@abtc-china.com

tel: 86 0412 5868983 5829081

fax: 86 0412 5829082


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