Chinese Web


 


About Us


Products


Downloads


Contact Us


 


 


 

Related Links


cnbroadcast


| Modulators | Demodulators | Combiners | Receivers | Up Converter |

   Modulators> F117G
F117G Intelligence Adjacent Modulator

Features

 • 45.00to1000.00MHz fix channel

 • I2C bus-mastering

 • Double line 20 digits LCD

 • GaAs Component used

 • Front Panel Control Board to Adjust Frequency,Modulation Level,

   A/V Ratio,Volume, RF Signal Level Through the LCDDisplay by

   Turning Keys

 • High C/N, Reliable and Easy to Operate

Specifications

RF

  Frequency Range     45.00MHz to 870.00MHz (appointed by user)

  Frequency Stability          5KHz

  Output Level                  113dBμV

  Level Adjustment range   ≥20dB

  Output Impedance          75Ω

  Spurious Output             -65dB

  Output Return Loss         14dB

  C/N    in band                   70dBmin 65dB

           Out-of-Band             70dBmin 65dB)

 

IF

  Video IF Output Frequency:   38.00MHz

  Video IF Output Level           85dBμV

  Audio IF Frequency               6.50MHz

  A/V Carrier Ratio                  -10 to -20dB

 

Video

  Standard Input Level             1.0V p-p

  Video Input Impedance          75Ω

  Video S/N                            53dB

  Video Response                    1.0dB

  Differential Gain                   2.5%

  Differential Phase                 2.5°

  Chrominance Luminance Delay 40nS

  Modulation Level                   87.5%  132 adjustable levels 

 

Audio

  Input Level Range                 +5 to +25dBmV

  Input Impedance                 >10kΩ

  Frequency Response             1.0dB

  Audio S/N                           55dB

  Audio Distortion                   0.4%

  Band-to-Band Frequency        6.5MHz±500Hz

  Maximal Audio Frequency Deviation50KHz

  Modulation Frequency Deviation:  132 adjustable levels

  Pre-emphasis                        50μs

 

General

  Power                          220V.AC/50Hz

  Dimension                    19"(W)×12.6"(D)×1.75"(H)

  Operation Temperature    -10℃+40℃

  Weight                        About 3.5KG

                                                                               < Previous
 

 

Copyright © 2005 HENGHE TECHNOLOGY  All Rights Reserved