Long Distance Transmitter Wireless

Specification of Analog TV transmitter 300w 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 300w

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

Anshan General Broadcast & TV Equipment Co., Ltd.(AGBE) was established in 1998 with a registered capital of CNY 5million.AGBE is the large high-tech enterprise, which specializes in Research and Development, production, sales and service of digital tv transmitter, analog tv transmitter,fm transmitter.

Plant and Equipments ---- AGBE has its own modern industrial park, having 20,000 square meters area of structure and various types of mold, injection, processing, testing and other high-tech equipments.

The talent pool ---- AGBE has perfect talent pool,

which includes the independent R&D center, design department, sales department, e-commerce department, purchase department, mold department, injection department, assembly department, QC department, logistics department, after sale department and financial department etc. Now Junjiahao has 10 senior engineers, 15 senior manager, 30 technicians, and 250 well-trained front-line staff.

Quality control system ---- Based on the standard requirements of GB/T19001-2008 quality management system, AGBE compiled the manual, established program file,set up a customer-focused quality management system.

Production Capacity ---- There are six production lines in AGBE. In 2012, the annual production reached 4.27 million pieces, the products are hot sale all over the world, the annual production in 2013 is expected to be 7 million pieces.

Quality and brand ---- Based on our strict quality control system, all the purchased parts must be passed two times tests. Led by the independent technological patents and self-developed products

AGBE's products reached overall qualified rate of 99.5% and got the nation certification CCC, international certifications FCC, CE, RoHS etc.

Honors and obligations ---- under the joint efforts of all colleagues, AGBE gained the "China Famous Brand" and the other honors. Also, AGBE never forgets its society responsibility. From support the local volunteer organization, to organize activities to visit the orphanage and the homes for the elderly;from support the bridge and road project in poor area, to donate for the reconstruction of the Wenchuan and Ya an where suffered from terrible earthquake; AGBE made its due contribution and has been highly recognized by the community;

AGBE producing the high quality transmitter as it's own mission and let the beautiful music spread farther and faster through our products.


Trade Information

Packaging details: Standard export corrugated carton and eco-friendly pallet, film wrapping.

Delivery details: about 7 days

Port: Dalian

MOQ: 10pcs. Accept sample order for frist cooperation

Supply Ability:50000/month

Sample availability: Yes

Payment : T/T, LC, PAYPAL, WESTERN UNION


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