TV Broadcast Transmitter

Specification of Analog TV transmitter 500w Specifications RF Specifications Frequency Band : UHF TV standard: Per Request Color System: PAL, NTSC, SECAM Modulation index : 87. 5% Output power : rated output power Vision output power stability : t 0. 25dB Sound/Vision carrier frequency...

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Product Details

Specification of Analog TV transmitter 500w

Specifications

RF Specifications

Frequency Band : UHF

TV standard: Per Request

Color System: PAL, NTSC, SECAM

Modulation index : 87. 5%

Output power : rated output power

Vision output power stability : t 0. 25dB

Sound/Vision carrier frequency difference : 6. 5 土 0, 001 MHz

Vision / Sound Power Ratio : 10 : 1

In-band inter-modulation : -52 dB

Non-required radiation in adjacent channel : -45dB

Non-required radiation out of adjacent channel : -60dB, 1 mw (VHF) or ≤20mw (UHF)

RF Output impedance : 50 Q

Frequency carrier stability (3 months) : ± 200Hz (VHF)/± 400Hz (UHF)


Video Specifications

Video input level:1.0Vp-p

Video input Impedance:75Ω

Video input reflected loss:≥34dB

Amplitude/Frequency response:see table 1

Group delay-frequency response:0-6MHz,±30ns

Differential gain (DG):±5%

Differential phase (DP):±4°

Field time bar tilt K50:≤2%

Line time bar tilt Kb:≤2%

2T Kp:≤2%

2T Pulse Amplitude Kpb:≤2%

Luminance non-linearity distortion:≤5%

C/L gain difference:≤10%

C/L delay difference:±30ns

Signal to random noise ratio S/N (RMS,un-weighted):≥51dB

Signal to periodic noise ratio S/N (RMS,peak-peak):≥51dB

Inner-carrier spurious phase modulation(ICPM):±4%

Blanking level stability:±2.5%


Audio Specifications

Input Level : Od Bm t 6d Bm, 600 Q balanced

Type of emission : FM

Mod. ulati6n capability : > ± 100KHz frequency deviation

Frequency carrier stability (3 months) : ± 200Hz (VHF)/± 400Hz (UHF)

Pre-emphasis : 50 μs

Maximum frequency deviation : ± 50KHz

Harmonic distortion (100% modulation) :≤ 1%( 30Hz-15KHz)

Amplitude-frequency response (50% modulation) :±1dB (30Hz-15KHz, Pre-emph-asis:50 μs)

FM 5/N ratio : ≥60dB (1000Hz, 100% modulation)

AM noise (no modulation) : ≤-50dB

Inner-Carrier noise (100% modulation) : ≤-45dB

Output load reflected loss

Operating : ≥32dB

Setup : ≥20dB

Service conditions

Ambient temperature range : 5-40 ° C

Relative humidity : < 95%, non-condensing

Atmosphere pressure : 86-106Kpa

AC Mains Supply:380V (+15% /-20%), 50Hz t 1Hz or per request

Cooling mode:air cooling


Table 1

f

(MHz)

-4.43

-1.25

-0.75

-0.5

0

+1.5

+3

+4.5

+6

+6.5

>6.5

Up

(dB)

-30

+0.5

+0.5

+0.5

+0.5

0

+0.5

+0.5

+0.5

-20

-20

Down

(dB)

-

-

-4

-1.5

-0.5

0

-1

-1

-4

-

-


About us

Founded in 1998, owns a modern factory covering over 6000 square meters and more than 70 employees, Anshan General Broadcast & TV Equipment Co., Ltd.(AGBE) was established on July, 1998. Many technical personnel in the company have over 20 to 30 years experiences of designing and producing transmitter. It is a main manufacturer producing radio broadcast & TV transmitting equipment in China.

AGBE have developed the  transmitter products markets such as Europe and USA etc. And with the persistent pursuit and creativity of igital tv transmitter, analog tv transmitter,fm transmitter.

Since its establishment, with "prestige and quality first, first-class service" principle, "widely adopting customers and sincere cooperation" business philosophy and "development together" corporation objective, Aolaisite have been praised by the customers and thus become the force of the company's sustainable development.

AGBE has strong technical strength with sophisticated CNC equipments and a group of industrial leading products and experienced product manufacturing engineers. By adopting advanced standardization of enterprise management ie ISO9001:2000 quality management system and applying modern management model, products have been delivered in China and abroad and favored by customers.

Looking forward to the future, AGBE would work together with our customers by adhering to scientific and technological innovation, efficient work, sound after-sales service system, reasonable prices, as to provide high quality service to customers and create customer's brand name with our professional technology and service.


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.


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