GC-AV04HB AV or HD signal to RF PAL NTSC Modulator analog household RF modulator
Inquire NowDescription
The GC-AV04HB is an advanced analog household RF modulator designed to convert AV or HD signals into RF PAL/NTSC formats. This modulator is equipped with an MCU-controlled PLL (Phase-Locked Loop) for high precision and stability in both visual carrier and audio subcarrier frequencies. Ideal for home entertainment systems, the GC-AV04HB ensures seamless integration of various signal types, enhancing your viewing experience.
Features:
- MCU controlled PLL for high accuracy and stability of video and audio signals.
- Selectable audio subcarrier frequencies: 5.5MHz, 6.0MHz, and 6.5MHz.
- Includes RF loop input with automatic channel storage in case of power outages.
- Equipped with an LED display for channel number indication.
- Supports double sideband modulation for non-adjacent channel usage.
- Input source can be either AV signal or HD signal.
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 |
| Input Voltage | 100-240V~50-60Hz |
Additional Information
For optimal performance, ensure that the connections are secure and the input voltage is within the specified range. This device is designed to be user-friendly and offers a reliable solution for converting and modulating signals for various applications.
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