catv analog system fixed channel modulator
- Category: >>>
- Supplier: Telecast Technology Corporation
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Product Overview
Description
16 in 1 Catv Analog Modulator
TAM16
u Adopt the popular modulation chip with microcontroller; it is more stable and reliable.
u Modulation point is completely independent of each channel, the channel configuration is very flexible and convenient.
u With large Power redundancy, this equipment is able to work continuously and stably.
u All cable TV-related debugging has been done in the factory; it will work after input AV signal.
u Due to the compact design and structure, no need machine room.
Fixed Channel | 47~860MHz |
Output Level | ≥105dBμV |
Adjustable Output Level | 0 ~-20dB (adjustable) |
Image/Sound power Ratio | -10dB ~-30dB (Continuous and adjustable) |
Output Impedance | 75Ω |
Spurious output Rejection | ≥60dB |
Image Carrier frequency Accuracy | ≤ ± 5KHz (VHF band) ≤ ± 10KHZ (UHF band) |
RF Input Return Loss | ≥ 12dB (VHF band); ≥ 10dB (UHF band) |
Video Input Level | 1.0Vp-p (Corresponding to 87.5% modulated) |
Video Input Impedance | 75Ω |
Differential Gain | ≤ 5% (87.5% modulated) |
Differential Phase | ≤ 5 °(87.5% modulated) |
Chroma / Luma Delay | ≤45 ns |
Video In-band Flatness | ±1dB |
Video Modulation Range | Continuously adjustable from 0 to 90% |
Video SNR | ≥55dB |
Audio Input Level | 1Vp-p (± 50KHz deviation) |
Audio Input Impedance | 600Ω |
Audio SNR | ≥57dB |
Audio Pre-emphasis | 50μs |
Power Supply | AC 220V±10% 50Hz±2Hz,50W |
Working Temperature | 0~40℃ |
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