1405

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Features

1405

• Facilitates In-service or Out-of-Service Testing of Transmitter
• Measure Transmitter Frequency Response to Within ±0.2 dB
• Video Circuits Can Be Swept
• Check Aural FM Deviation with Built-in Bessel Null Technique
• Flexible Marker System Will Accept Standard Crystals
• UL Listed 1244, CSA Bulletin in 556B
• Frequency Range to 1 GHz
• Output Amplitude 0 to 100 IRE
• APL 0 to 100 in 10 IRE Steps
• Compatible with 525/60 or 625/50 Systems

1405 TV Sideband Adapter

The 1405 Sideband Adapter works with 271X Series Spectrum Analyzers to analyze the sideband and in-band response of a television transmitter. It generates a composite video signal, the "picture" portion of which is a constant amplitude sinusoidal signal that sweeps continuously and periodically between 0 and 15 MHz. This signal is applied as modulation to a modulator or transmitter. The output is displayed on the spectrum analyzer and appears as a response curve, typically to within ±0.2 dB, of the transmitter being tested.

The 1405/Spectrum Analyzer combination displays frequency characteristics of RF and IF circuits with frequencies to 1 GHz. Video circuits can also be analyzed.