|
|
Introduced |
 |
|
|
|
|
| |
1200MHz Luxury Intelligent Adjacent Channel Modulator (C88) |
|
|
|
|
Description |
|
|
|
 |
|
| |
1. Summary:
C88 series intelligent adjacent channel modulator is high-performance type front-end equipment, and mainly used as video and audio signal adjacent channel modulating. The equipment adopts advanced if-frequency dealing and PLL technology, high frequency stability and small signal distortion. Suitable for constructing large or middle-size CATV system.
2. Characteristic:
Adopt micro computer controlling medium frequency and PLL technology circuit
Set inside high reliable filter and 1. 9GHz mixer, match with band-pass filter, good parasite output.
Set inside Hybrid amplifier circuit, high RF output index, above 110dBuV.
B: 48~550MHz; C: 48~750MHz; D: 48~870MHz, adopt 20 figure LCD screen
3. Parameters:
Item Unit Parameter
RF Parameter
Output Frequency Range MHz 47~866. 25
Max Output Level dBμV 92~115
Output Level Range dB 20
Video/Audio Carrier Ratio dB -13~-20
Out of Band Rejection dB -62
Frequency Stability KHz ± 3
Output Impedance Ω 75
Output Return Loss dB ≥16
Video Parameter
Input Level Vp-p 1@87. 5%
Differential Gain % ≤5@87. 5%
Differential Phase ° ≤5@87. 5%
C/L Delay ns ≤45
Video Modulation Depth dB 72. 5~90 (87. 5 TYP)
Video Medium Frequency MHz 38
Video to Noise Ratio ≤60
Video Frequency Response dB ± 0. 75 MAX
Audio Parameter
Output Level Vp-p 0. 4 (± 50 KHz)
Output Impedance KΩ 10 (Unbalanced)
Pre-distortion % ≤0. 4
Audio with Frequency MHz 4. 5, 5. 5, 6. 0, 6. 5 (Optional)
Pre-amphsise μSEC 50
Audio to Noise Ratio dB ≥55
Audio Frequency Response dB ± 0. 5
General Performance
Supply Voltage V AC 180~250 (50Hz)
Consumption W ≤10 |
|
|
|
|
Contact Us |
|
|
|
| |
Company Name: |
|
|
Hangzhou Topu Optic Co., Ltd. |
| |
Company Address: |
|
|
Rm 517, Xiangzhang Commercial Mansion, 360# Wensan West Rd, Hangzhou, Zhejiang, China |
| |
Telephone: |
|
|
86-571-88989381 |
| |
Full Name (Department): |
|
|
Mrs. Mr Lee () |
|
|
|
|
|
[
