The Broadcast Store - The World's Largest New and Used Full Service Pro Video Dealer.Sign In. New customer? Sign Up
Home | About Us | Contact Us| Recent Searches| New Product Catalog
0

Audio Accessories & Misc.

BELAR TVM-230

BELAR / TVM-230
BCS Price:Click Here to Contact Us
Item #:MO787203
Condition:Reference Item
Print This ModelEmail This Model
Model Description:
The Belar TVM-230 is a digital BTSC TV Stereo Monitor/Analyzer.

Model Details

Operated in conjunction with the Belar TVM-100, TVM-101, or other wideband aural demodulator, the Belar TVM-230 provides the measurement capability necessary for the set-up, test, and measurement of BTSC Stereo TV transmission systems, as well as providing accurately decoded Left and Right channel audio outputs.



Specifications:
Inputs Two wide-band demodulated aural
   composite, selectable from front panel


Input Level 1.0V to 2.0 Vrms for
73 kHz peak deviation


Input Impedance 100 kW, unbalanced
   BNC connector


Outputs


   Left and Right


       Audio Active 50 W Balanced Output
   Level: +10 dBm into 600W,
XLR connector


       Test 2.5 Vrms, 75 W, unbalanced,
   BNC connectors


       Scope (auto-ranged) 1.3 Vrms, 75 W,
   unbalanced, BNC connectors


   Pilot Output 2V P-P, 500 W, unbalanced
   BNC connector


   dbx Level 3.536 Vrms for 50 kHz L-R
   deviation, BNC connector


Interface:


   Serial Interface RS-232, DB-9 connector


   Unit Interface Wizard Standard Interface


Remote Meter Outputs:

   For interface to optional Model MP-230 Analog Remote Meter
   Panel

Analog Meter Outputs for Left, Right,
   L+R and L-R channels

        Open Collector outputs for Stereo Peaks Per
      Minute (PPM), L+R PPM, Pilot

   Relay closures for Stereo PPM, L+R PPM, Pilot


Separation + Noise


   Equivalent Mode 70 dB, 50 Hz to 14 kHz


   BTSC Exceeds EIA MTS recommended
   practices for monitoring equipment. Typical
separation at 100%, 75 µsecond equivalent
input modulation:

   50 Hz to 8 kHz greater than 40 dB

   8 kHz to 12 kHz greater than 35 dB

12 kHz to 14 kHz greater than 30 db

Crosstalk + Noise

   L+R to L-R75 dB
       (50 Hz to 14 kHz)

   L-R to L+R75 dB
       (50 Hz to 14 kHz)

   SAP to L+R75 dB

   SAP to L-R75 dB

   PRO to L+R75 dB

   PRO to L-R75 dB

Frequency Response (Left and Right channels)
   Equivalent Mode± 0.05 db
   (50 Hz to 14 kHz)

BTSC:
   Typical at 100% 75 µsecond equivalent input
   modulationwithin ±0.1 dB
  (50 Hz to 14 kHz)

   Typical between 10% and 100% 75 µsecond equivalent
   input modulation:
  50 Hz to 8 kHzwithin +0.05 to -0.02 dB
  8 kHz to 14 kHzwithin +0.05 to -0.35 dB

Signal-to-Noise Ratio
   (L, R equivalent mode, pilot on)
   No de-emphasis75 dB
   De-emphasized, 75 µsecond 85 dB

Distortion + Noise

   Harmonic Distortion:
  (50 Hz to 14 kHz, measured across 30 kHz bandwidth)
  Equivalent Mode0.025%
  BTSC0.1%

Signal Input-to-Output Delay 5 milliseconds

Dimensions1 EIA Rack Unit
1.75"H x 17"D x 19"W

Power Requirements     30 watts, 100-240 VAC
  50 to 60 Hz

Shipping Weight        13 lbs



  Click for the BBB Business Review of this Computer Software Publishers & Developers in Chatsworth CA

Sign In

Email:
Password:
Forgot your Password?