AV-215 Two-Way Adjacent Channel Modulator

Features
1. Intermediate frequency process, high functional index.
2. SAW filters process.
3. Luxurious housing.
4. MMIC circuits are on key parts and SMT technology is applied to the overall unit.
5. Digital displays channel number.
6. Output adopts screw filters.
7. With high security and high temperature stability.
8. Output level adjustment and A/V adjustment on front panel.
9. PLL technique is applied to audio and RF local oscillator, high frequency stability and high accuracy.
10. We can make different channels according to the customer requests.

Specifications

Reflection
Output Frequency Range 45-870MHz
Frequency Accuracy +/- 5KHz
Output Level 113dB? V(550MHz)
Out of Band Suppression >= 60dB
Side-band Suppression >= 60dB
Output Impedance 75Ω
Video to Audio Carrier Ratio -10dB -20dB

Video
Frequency Input Level 0.6 1.5Vp-p
Input Impedance 75Ω
Input Reflection 30dB min
K coefficient 4 % max ( 2T pulse )
Video s/n 50dB( no emphasis )
C/L Delay 40nsec
Frequency Response +/- 1dB( 25Hz 5.8MHz)
Differential Gain +/- 4 % (modulation 87.5 )
Differential Phase +/- 4(modulation 87.5)

Audio
Frequency Input Level -10 10 dBm
Input Impedance 10KΩ Min
Frequency Response +/- 1dB max(40Hz 15KHz)
Distortion 1 %
Signal to Noise Ratio -60dB
Audio Picture Interval According to the TV system standard
Powersupply Voltage 220V or 110V