
Manufactory Wholesale Single Channel Fixed RF Modulator
AH-805B for CATV Systems with SAW Filtering and Phase Lock Loop
Looking for a reliable RF modulator to ensure stable signal transmission? The Single Channel Fixed RF Modulator AH-805B delivers exceptional performance with advanced IF processing, SAW filtering for maintenance-free adjacent channel configuration, and phase lock loop frequency control to prevent drift. Designed for CATV systems, it supports PAL, NTSC, and SECAM formats, offering superior video and audio linearity for high-quality output. With a frequency range of 45-870MHz and output level of 113dBmV, this modulator is a cost-effective solution for broadcast and communication applications.
• Advanced IF processing | • SAW filtering for maintenance-free operation | • Phase lock loop frequency control | • PAL, NTSC, SECAM support | • 45-870MHz frequency range

1.IF process with excellent performance

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
Output Frequency 45-870MHz
Frequency Accuracy ±5KHz
Output Level 113dBmV
RF
Outband Suppression
Sideband Suppression

≥60dB
≥60dB
Output Impedance 75W

Input Impedance 75W
Input Return Loss 30dB min K Vaule 4% max( 2T pulse)
Delay Response 40nsec
±1dB( 25Hz ~ 5.8MHz)
Differential Phase ±4°
Aduio Input Level -10 ~ 10 dBm
Input Impedance 10KW min Flatness ±1dB max(40Hz ~ 15KHz)
Harmonic Distortion <0.5%,50Hz ~ 15kHz
About Us
FMUSER is a company specializing in broadcasting and television transmission systems and integrating hotel IPTV systems. The company was established in 2009 and has served over 180 countries worldwide. More than 20,000 television stations, radio stations, and hotel clients from different.
Contact:Tomleequan Email:sales@fmuser.com whatsapp:+8613922702227

Contact:Tomleequan Email:sales@fmuser.com whatsapp: +8613922702227