Single Channel Fixed RF Modulator
2.SAW filtering for maintenance free adjacent channel configuration
3.Phase lock loop frequency control prevents frequency drift
AH-805B Single channel Fixed RF modulator does signal processing like RS coding, convolution interleaving and QAM modulating, providing IF/RF output.
Features
1.IF process with excellent performance
2.SAW filtering for maintenance free adjacent channel configuration
3.Phase lock loop frequency control prevents frequency drift
4.LED Display.Front panel control for easy installment
5.Excellent video and audio linearity for superior picture quality
6.Standard 19” housing for standard rack
7.PAL,NTSC and SECAM optional
8.Excellent value for your investment dollar
Specifications of Single channel Fixed RF modulator
RF | Output Frequency | 45-870MHz |
Frequency Accuracy | ±5KHz | |
Output Level | 113dBmV | |
Outband Suppression | ≥60dB | |
Sideband Suppression | ≥60dB | |
Output Impedance | 75W | |
A/V Ratio | -10dB ~ -20dB | |
Video | Input Level | 0.6 ~ 1.5Vp-p |
Input Impedance | 75W | |
Input Return Loss | 30dB min | |
K Vaule | 4% max（ 2T pulse） | |
SNR | 50dB(Non-weight) | |
Delay Response | 40nsec | |
Flatness | ±1dB（ 25Hz ~ 5.8MHz） | |
Differential Gain | ±4%（Modulation 87.5%） | |
Differential Phase | ±4° | |
Aduio | Input Level | -10 ~ 10 dBm |
Input Impedance | 10KW min | |
Flatness | ±1dB max（40Hz ~ 15KHz） | |
Harmonic Distortion | <0.5%,50Hz ~ 15kHz | |
SNR | -60dB | |
Power Supply | AC Input | 110-220V |
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