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

¡¡  Modulators> F18A
F18A Audio & Video Modulator

Features

 • Superior vestigial sideband filtering for adjacent channel systems

 • Full +45dB mv output

 • Low cost

 • Low spurious harmonic output

 • two year 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 (maximum):  100 dB ¦ÌV

  Output Level Adjust: 20 dB

  Output Impedance:  75 ohm

  Output Return loss: >14 dB

  Audio/Video Carrier Ratio: 10 ¡« 20 dB

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

  Spurious Output: >62dB

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Video

  Video Modulation Level:    87.5%

  Input Impedance£º 75¦¸

  Differential Gain:   <3%

  Differential phase: <3¡ã

  Visual C/N:           53 dB

  Frequency response: <1.0 dB

  Chrominance Luminance Delay£º40nS

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Audio

  Frequency Response: 1.5dB

  Audio Distortion: 1.0%

  Audio S/N: 55dB

  Maximum Audio Frequency Deviation: 50 KHz

  Video/Audio Separation: 6.5 MHz ¡À 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: 1.9Kg

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