GC-AV04H HD signal HD to RF PLL NTSC TV Modulator
Inquire NowDescription
The GC-AV04H HD signal HD to RF PLL NTSC TV Modulator is an advanced device designed for seamless video transmission. Utilizing MCU controlled PLL technology, it ensures high accuracy and stability for both video and audio signals. This modulator is ideal for broadcasting HD content over RF channels, making it suitable for various applications in entertainment and broadcasting sectors.
- High Accuracy: MCU controlled PLL guarantees precision in visual carrier and audio subcarrier.
- Audio Subcarrier Selection: Choose from 5.5MHz, 6.0MHz, or 6.5MHz for optimal sound quality.
- Power Resilience: Features RF loop input and automatic storage during power outages.
- Channel Display: LED display for easy channel number tracking.
- Modulation Options: Double side band modulation allows for non-adjacent channel usage.
- Input Source Flexibility: Choose between AV signal or HD signal for input.
Specifications
| ITEM | SPECIFICATION | ITEM | SPECIFICATION |
|---|---|---|---|
| Frequency Range | 45~870MHz | Video Input Level | 0.8V P-P for 80%±10% modulation |
| Output Level | 90dBμV | Video Input Level Adj. | 0.4V P-P ~ 0.8V P-P |
| A/V Ratio | -15±2Db | Video S/N Ratio | 55dB |
| Visual Carrier Freq. Accuracy | ±5KHz | Video Freq. Response | ±2.5dB (50Hz to 4.2MHz) |
| Output Return Loss | 14dB | Video Input Impedance | 75Ω |
| Spurious Rejection | 50dB | Audio Freq. Deviation | ±50KHz |
| Output Impedance | 75Ω | Audio Freq. Response | ±2dB |
| HD Input Resolution | 480i, 480p, 576i, 576p, 720p, 1080i, 1080p | Audio Input Impedance | 600Ω |
| HD Version | HD 1.3 | ||
| Input Voltage | 100-240V~50-60Hz |
Additional Information
For best performance, ensure that the modulator is connected to a reliable power source and the appropriate input signals are used. Proper ventilation is recommended to avoid overheating during extended use.
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