Catv Modulator (Hs-318bs)
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Place of origin:
China
Model No:
HS-318BS
Payment Terms:
L/C,T/T,Western Union
Minimum Order Quantity:
1 Piece/Pieces
Supply Ability:
10000 Piece/Pieces per Month
Package:
Color box
Delivery Time:
5-10 days
Brand Name:
Haisheng/OEM/ODM
Features Specifications: Catv Modulator (Hs-318bs)
Features:
IF processing with three saw filter
PLL technique with high precision
Clamp circuit with high anti-hum performance
adopt MMIC circuit and surface-mounted technique on key parts
Specifications:
RF:
Output frequency: 870MHz
Output level: e 115dB
Output level control range: 0 to 20dB
Side-band suppression: e65db
Spurious output suppression: e 65dB
Video-to-audio carrier ratio: -10 to -20dB
Video:
Input level: 0.7 to 1.4 Vp-p
Input impedance: 75 ohms
Input reflection: 30dB min
K coefficient: 4% (2T pulse)
C/L delay: 40nsec
Differential gain: �4% (87.5% modulation)
Differential phase: �4� (87.5% modulation)
Frequency response: �1db
Video S/N: e 50dB
Audio:
Input level: 0dBm, �10dB
Input impedance: 10 Kohms
Frequency response: d 1.5 (40Hz to 15 KHz)
Distortion: 1%
S/N ratio: -60dB
Difference of video/audio:
4.5MHz �2KHz (M/N)
5.5MHz �2KHz (B/G)
6.5MHz �2KHz (D/K)
General:
Power requirements:
Voltage: 100 to 250V AC/50Hz 5W
Storage temperature: -20 to 70 degrees
Operation temperature: 0 to 45 degrees
Mechanical:
Dimensions: (W) 440 � (H) 44 � (D) 268mm
Weight: 3kg
Connectors: (rear panel)
Video input: RCA phono and female
Audio input: RCA phono and female
IF input: F type, female
IF output: F type, female
RF output: F type, female
Controls: (front panel)
AV/Video/Audio ADJ: control
Channel display: dot matrix LED
RF test: F type, female
Indicator: (front panel)
Power on: red LED
Audio mono: red LED
Audio dual: green LED
Audio stereo: green LED
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