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11

BAVM-860SAW Instruction Manual

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Содержание BAVM-860SAW

Страница 1: ...00B BAVM 860SAW Audio Video Modulator Stock No 5990 One Jake Brown Road P O Box 1000 Old Bridge NJ 08857 1000 USA 800 523 6049 732 679 4000 FAX 732 679 4353 www blondertongue com The Standard of Quality in TV Signal Distribution ...

Страница 2: ...g flash with arrowhead symbol within an equilateral triangle is intended to alert you to the presence of uninsulated dangerous voltage within the product s enclosure that may be of sufficient magnitude to constitute a risk of electrical shock to persons The exclamation point within an equilateral triangle is intended to alert you to the presence of important operating and maintenance servicing ins...

Страница 3: ... without proper ventilation Do not mount equipment in the rack space directly above or below the modulator Operate the modulator using only the type of power source indicated on the marking label Unplug the modulator power cord by gripping the plug not the cord The modulator is equipped with a three wire ground type plug This plug will fit only into a ground type power outlet If you are unable to ...

Страница 4: ...objects may touch dangerous voltage points or short out parts This could cause fire or electrical shock Do not attempt to service the modulator yourself as opening or removing covers may expose you to dangerous voltage and will void the warranty Refer all servicing to authorized service personnel Unplug the modulator from the wall outlet and refer servicing to authorized service personnel whenever...

Страница 5: ...e front panel A block diagram of the BAVM 860SAW is shown below The audio video modulator accepts a baseband video and audio input and outputs an RF CATV channel The RF level control provides up to 55 dBmV output The video modulator control sets the depth of modulation fo 87 5 over an input video level range from 0 7VP P to 2 5VP P An audio modulation control permits adjustment for 25 kHz peak dev...

Страница 6: ...40 dB Video Input for 87 5 Modulation 0 7V to 2 5 V P P Video Input Return Loss 18 dB Video Carrier To Noise Ratio in 4 MHz Bandwidth 60 dB P P Video to 60 Hz RMS Hum Ratio 60 dB Differential Gain at 87 5 Modulation 5 Differential Phase at 87 5 Modulation 5 Group Delay 170 50 nS Audio Input Impedance 10K Ohms Unbalanced Input for 25 KHz Peak Deviation 140 mV RMS Audio Frequency Response 1 0 dB 50 ...

Страница 7: ...to be made of the equipment Precautions Adherence to the initial installation precautions outlined in the Table below will help prevent problems arising during the PRECAUTIONS REQUIREMENTS Avoid Heat Buildup Allow 1 EIA rack space 13 4 between powered headend products in the equipment racks Ensure easy access to rack wiring Allow a minimum of 18 inches behind the equipment rack s Facilitate servic...

Страница 8: ...accessible from the front panel 1 VIDEO MODULATION Adjusts depth of video modulation 2 AURAL LEVEL Controls amplitude of aural RF carrier to change aural visual ratio 3 AUDIO MODULATION Adjusts for 25 kHz peak deviation 4 OUTPUT LEVEL Simultaneously adjusts amplitude of aural and visual carriers 5 POWER ON INDICATOR LIGHT 6 TEST POINT 30dB Output test point Stereo Operation When using the BAVM 860...

Страница 9: ...ch can cause picture distortion Video Modulation With a nominal 1 volt P P video source connected adjust the Video Modulation control for 85 depth of modulation If a spectrum analyzer is not available a TV set can be used to check for proper picture contrast A V BAVM 860SAW Modulator Splitter Combiner To Distribution System DC T P Attenuator and Amp if Required 2 4 6 7 7 17 9 9 8 8 11 Antennas BPF...

Страница 10: ...Closeout Products All sales of Refurbished or Closeout Products are final To obtain service under this warranty the defective product together with a copy of the sales receipt or other satisfactory proof of purchase and a brief description of the defect must be shipped freight prepaid to Blonder Tongue Laboratories Inc One Jake Brown Road Old Bridge New Jersey 08857 This warranty does not cover dam...

Страница 11: ... 11 BAVM 860SAW Instruction Manual This page is intentionally left blank ...

Страница 12: ...One Jake Brown Road P O Box 1000 Old Bridge NJ 08857 1000 USA 800 523 6049 732 679 4000 FAX 732 679 4353 www blondertongue com The Standard of Quality in TV Signal Distribution ...

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