UHF VHF Transmitter

Analog TV transmitter 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...

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Product Details

Analog TV transmitter

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

-

-


Company introduction

Anshan General Broadcast & TV Equipment Co., Ltd.(AGBE), is a global leading provider of network communication transmission equipment of digital TV, communication equipment of tri-play networks integration and integrated network solutions.

It is AGBE's honor to become a designated communication equipment supplier of over 100 cable network operators and our products have been exported to Europe, South America, North America, the Middle East, Southeast Asia and other countries and regions.

In the product production process, AGBT strictly executes the national standard. In some working procedures like design type, material selection, assemble technique, test technique, aging test, after

sale service etc, it also strictly executes ISO9001 control procedure and the qualification rate of equipment leaving the factory can reach to 100%.

Following the coming of digital TV transmitter time, AGBE finished the digital upgrading to the analog product a few years ago and the power amplification part of analog TV transmitter can be compatible with digital function and successfully developed 100W to 2.5 KW digital TV transmitters’ series products. The quality has reached to international advanced level.

We have the professional engineer and sales team here,your satisfaction is our permenant pursuit,welcome to contact us any time.


FAQ

Q1:Do you support Sample order?

We accept MOQ 1 set, so we can accept Sample order before the real order per customers’ requirement, sample are not free charge. Sample Delivery will take 1-3 working days after receiving payment, bulk order lead time is 4-13 days based on your quantity.

Q2:What is your Payment Terms?

We can Support TT,Western Union,Moneygram, Ria, Paypal, Credit Card. you can also send money via direct online payment,meanwhile,our company support Trade Assurance, which is 100% Production quality / on-time shippment / payment Protection.

Q3:There are so many companies in google, how I can believe AGBE is the best factory we can cooperate with?

1.All of our products have to undergo a burn-in test before shipment, they are fully connected and have to function correctly for 21 uninterrupted days. Only then can they be shipped to customers. so excellent quality is promised.

2.All products enjoy 5years warranty. If there is no man-made problem, we will replace or repair for free

3. We own the best after-sale service, if any problem,our team will response within 24 hours,and we can provide remote maintenance by teamviewer or telephone.

Q4.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.

Q5.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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