Eico HF-81

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Brand: Eico

The Eico HF-81 is a high-frequency signal generator designed for electrical engineers and technicians working with RF (radio frequency) signals. It is manufactured by Eico Instrument Corporation, a company known for producing high-quality test and measurement equipment.The Eico HF-81 is a versatile instrument that can generate signals in the frequency range of 0.5 MHz to 500 MHz with an accuracy of ±0.5% of the nominal frequency. It features a wide variety of modulation and waveform options, including AM (amplitude modulation), FM (frequency modulation), and PM (phase modulation) capabilities. The instrument is also equipped with built-in accessories such as an automatic frequency control (AFC) system, a crystal calibrator, and a frequency counter.The Eico HF-81's output power can be adjusted from 0 to ±10 dBm, making it suitable for both low-power and high-power applications. It has an RF output amplifier that can handle output powers up to 100 mW, avoiding overloading of other test equipment. Additionally, it features an SWR (standing wave ratio) detector, which allows for the measurement of the reflection coefficient of a load.The Eico HF-81 provides easy operation through its user-friendly front panel, with many controls and switches readily accessible. The instrument's design meets strict quality standards, and Eico offers a 1-year warranty for manufacturing defects.In summary, the Eico HF-81 is a comprehensive signal generator that offers excellent accuracy, versatility, and performance for RF testing and measurement applications.

Power Output: 14W into 8Ω (stereo)
Frequency Response: 10Hz to 100kHz
Distortion: 1%
Damping Factor: 8
Speaker Impedance: 4 to 16Ω
Input Sensitivity: 6mV (mic), 4mV (mm), 500mV (line)
Signal to Noise Ratio: 57dB (mic), 60dB (mm), 75dB (line)
Line Output:
Dimensions: 15 x 4.75 x 10.5"
Weight: 24 lb
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