Zhejiang, China
Business Type:
Manufacturer/Factory
Number of Employees:
450
Year of Establishment:
2001-05-13
OEM/ODM Availability:
Yes
OEM/ODM Service

Modulator, Agile Modulator, Adjacent Modulator manufacturer / supplier in China, offering CATV Adjacent Agile Modulator, 1550nm Optical Amplifier EDFA 32 Port with 32 Pon Prot, Digital Multi-Functional 8 in 1 Ts Receiver and so on.

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CATV Adjacent Agile Modulator

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Min. Order: 2 Pieces
Port: Ningbo, China
Production Capacity: 500pcs/month
Payment Terms: T/T
Certification: CE
Condition: New
Type: TV Front-End Equipment
Function: CATV
Frequency: 47~860MHz
Transport Package: Netural

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Basic Info

Model NO.: C78
Trademark: Prevail
Specification: 1RU
Origin: China
HS Code: 85176234

Product Description

Performance Characteristic
1. Medium frequency treatment technique and dual-phase locked loop technology for CPU control are adopted to improve frequency stability.
2. Number of output channels are within the limit of 48~550/750/870MHz. Standard channels and added channels were installed.
3. Carrier frequency or each channel is within the limit of 48~550/750/870MHz. 4 standards of sound carrier frequency: 4.5, 5.5, 6.0, 6.5MHz.
4. The vision signal modulation, audio deviation, A/V ratio and output level can be adjusted on the front panel.
5. Independent RF Power Amplifiers are inside. The output level is up to over 110dBμ V.
6. It's easier to operate, because of the digital channel number of front panel, the uplink of back panel, memory channels and power failure memory function.
7. Output power of B machine is 48~550MHz. Output power of C machine is 48~750MHz. Output power of D machine is 48~870MHz.
8. Two lines 20-bit LCD display is on front panel. Add medium frequency interfaces.
ITEMUNITPARAMETER
C78BC 78CC78D
RF   Parameter
Output Frequency RangeMHZ47_550550_75047_866.25
Max Output LeveldBu V≥110≥110≥110
Output Level RangedB202010
Video/Audio Power RatiodB-13_-20-13_-20-13_-20
Out of Band RejectiondB-60-60-65
Frequency StabilityKHz333
Output ImpedanceΩ757575
Output Return LosedB≥16≥16≥16
Video   Parameter
Input LevelVp-p0.7_1.40.7_1.40.7_1.4
Differential Gain%≤3@87.5%≤3@87.5%≤3@87.5%
Differential PhaseO≤3@87.5%≤3@87.5%≤3@87.5%
C/L Delayns≤45≤45≤40
Video Modulation DepthdB87.5TYP87.5TYP87.5TYP
Video to Noise Ratio ≤60≤60≤60
Video Frequency ResponsedB+ 0.75 MAX+ 0.75 MAX+ 0.75 MAX
Audio   Parameter
Input LevelVp-p0.4 ( + 50KHz)0.4 ( + 50KHz)0.4 ( + 50KHz)
Input Impedance0.8(Unbalanced)0.8(Unbalanced)0.8(Unbalanced)
Pre-distortion%≤0.6≤0.6≤1
Audio with FrequencyMHz4.5  5.5  6.5   (Optional )
Pre-amphsiseuSEC50
Audio to Noise RatiodB≥55
Audio Frequency ResponsedB+ 0.5
General   Performance
Supply VoltageVAC 180_250 (50Hz) 
ConsumptionW≤8
DimensionMm483(L) X 210(W) X 44 (H)483(L) X 210(W) X 44 (H)483(L) X 250(W) X 44 (H)
Product Process:
CATV Adjacent Agile Modulator

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