SK-3000M Agile Adjacent Channel Modulator CATV modulator
AV to rf Agile Adjacent Channel Modulator MCU control CATV modulator Modulator match set top box output RF signal SK-3000M
Feature
1.IF processed and Double-conversion ensure low outband interfere
2. MCU control for frequency control and accuracy
3.Excellent video and audio linearity for superior picture quality
4.LED Display. User friendly control in front panel
5.Standard 19” housing for standard rack
6.Test point for ease of monitoring
7.Excellent value for your investment dollar
8.PAL,NTSC and SECAM available
Agile CATV Modulator (Adjacent ) 45-860MHZ.
twice conversion frequency
and with saw filter, low side-band interfere. SMPS
Agile CATV modulator
Features
1. Intermediate frequency, twice conversion frequency
and with saw filter, low side-band interfere.
2. MCU technique is applied to audio intermediate frequency,
video high frequency process and RF local oscillator, with high frequency stability and accuracy.
3. Integrated circuit is applied to outputs, and each functional circuit of the
overall unit adopts SMT technology, with high stability.
4. LED displays frequency, using up and down button to select channel and frequency.
5. Convenient control, frequency level adjustment is on front panel.
6. High efficiency SMPS.
7. We can offer PAL or NTSC system standard upon customers requests.
Specifications
reflection | output frequency range | 45-870MHz |
frequency accuracy | ± 5kHz |
output level | 110dBmV |
side-band suppression | ³60dB |
output impedance | 75 Ω |
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 |
C/L delay | 40nsec |
frequency response | ± 1dB |
differential gain | ± 4 % modulator 87.5 % |
differential phase | ± 4° modulator87.5 % |
audio frequency | input level | -10 ~ 10 dBm |
input impedance | 10KΩ min |
frequency response | ± 1dB |
distortion | 1 % |
signal to noise ratio | -60dB |
audio image interval | according to the TV System standard |
power supply | voltage | 110 ~ 245V AC |