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Products

30W/ 50W/ 100W TV transmitter

Product Category:Products > Analog TV transmitters
Brief introduction:
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  • Details Introduction

FEATURES:

  • Small size and easy maintenance; high performance; (outside rack can be removed)
  • Module design. Wide-band Amplifier. Use Philips or Motorola’s large power LDMOS. Use high efficiency switch power supply.
  • Intellectualized exciter. Audio deviation and image modulation can be directly adjusted on the front panel.
  • Equipped with over-voltage, over-current, over excite, overheat and over-reflection protection circuits
  • Meters and LED indication.
  • Fast fault removing by module replacement without any on-site adjustment

SPECIFI CATIONS

 General technical characteristics

 

System standard

PAL, or on required

Type of emission

Vision: C3F; Sound: F3E

Transmitting channel

Any appointed TV channel

Operating condition

Ambient temperature: -10°C ~ 40°C

 

Relative humidity: < 90% ( 30°C)

Power supply

AC220V ±15%, 50Hz±2Hz

RF output impedance

50Ω

RF output port

7/16 type, 7/8” flange or as requested

Reflection loss

≥ 18dB

Amplitude-characteristic

Fv + 4.5 ~ -0.5MHz

 

Non-plainness in range ≤ ±1.5dB

Nominal output power

30W/ 50W/ 100W ( sync peak)

Intermodulation distortion in band

≤ -46dB

Un-necessaries transmission in adjacent channel (harmonic)

≤ - 40dB

Vision

 

Video input impedance

75Ω

Video input level

1Vpp

DG

±8%

DP

≤±7°

Brightness non-linearity

≤ + 12%

Audio

 

AF input impedance

600Ω (balanced)

AF input level:

±6dBm   frequency offset  50KHz

Maximum freq. deviation

±50KHz

AF harmonic distortion

≤ 1%

FM noise S/N ratio

60dB

 

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Shanghai Teng Guang Broadcasting Equipment Co., Ltd.
Add: West 3/F, Bldg.12, No.3199 Zhenbei Road,Shanghai 200331, China