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| Modulators | Demodulators | Combiners | Receivers | Up Converters |

¡¡  Modulators> B52
B52 Audio & Video Modulator

Features

 • Superior vestigial sideband filtering for adjacent channel systems

 • Full +45dB mV output

 • Low spurious harmonic output

 • two years limited warranty

 • Highly accurate crystal controlled oscillator

 • Professional picture quality

 • Front panel -25 dB test point

 • Rear panel AC convenience outlet

 • International models available on special order

Specifications

RF

  Frequency confine:   48 to 550.00MHz

  Output level:25 to 45 dB mV, continuously adjustable from front panel

  Output Impedance:  75 ohm

  Audio/Video stability: adjustable 10 ¡« 20 dB below video carrier

  Frequency stability: ¡À10KHz (¡À5 KHz in aeronautical band)

  Spurious Output: 62dB below video carrier with A/V ratio @-20dB

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Video

  Output Level (maximum): 105 dB ¦Ì v

  Input Level: 0.5V p-p minimum for 87.5% modulation

  Input Type: Composite video negative sync

  Visual C/N: 60 dB @ 6 MHz BW

  Frequency response: ¡À1.5 dB (30KHz to 6 MHz)

  Hum and Noise: -60 dB @87.5%

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Audio

  Baseband Input Impedance: 600 ohms unbalanced

  Baseband Input Level: 0.5 /v p-p for 25KHz deviation

  Pre-emphasis: 75 microsecond

  Flatness: 1.5 dB(50 Hz to 15 KHz)

  Video/Audio Separation: 6.50 MHz + 1KHz

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General

  Power Input: 180 to 230 V AC, 50 Hz, 20W

  Operating Temperature: -10¡æ to 40¡æ

  Dimensions: 19"(L)¡Á7.5"(W)¡Á1.75"(H)

  Weight: 2.1Kg

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