GC_Ham_HW8.html
2018-03-14
06:30:23
HeathKit HW-8
Specifications:
Harmonic Levels
Receiver
balanced product detector, a
active audio filter
0.2 microvolt provides readable signal
1000 ohms nominal
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GC_Ham_HW8.html 2018-03-14
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| General | |||
| Frequency Coverage | 80 meters, 3.5 to 3.75 MHz | ||
| 40 meters, 7.0 to 7.25 MHz | |||
| 20 meters, 14.0 to 14.25 MHz | |||
| 15 meters, 21.0 to 21.25 MHz |
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| Frequency Stability | less than 150Hz/hour drift after 60 minute warm-up |
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| Frequency Generation | premixed VFO and HFO | ||
| Power Requirements | 13.4 volts DC, nominal. 90mA receive mode and 430 mA transmit mode | ||
| Dimensions | 9-¼" wide x 8-½" deep x 4-¼" high, including knobs and feet | ||
| (23.5cm wide x 21.6 cm deep x 10.8cm high) | |||
| Weight | 4 lbs. (1.8kg) |
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| Transmitter | |||
| DC Power Input | 80 meters -- 3.5 watts | ||
| 40 meters -- 3.0 watts | |||
| 20 meters -- 3.0 watts | |||
| 15 meters -- 2.5 watts | |||
| Frequency Control | built-in VFO | ||
| Output Impedence | 50 ohms unbalanced | ||
| Sidetone | built-in, adustable volume | ||
| Spurious and Harmonic Levels |
at least 35dB down | ||
| Transmit Frequency Offset | approximately 750 Hz lower, fixed on all bands |
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Receiver |
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| Receiver Type | direct conversion with RF amplifier, balanced product detector, a active audio filter |
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| Sensitivity | 1 microvolt or less for 10dB (S+N)/N 0.2 microvolt provides readable signal |
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| Selectivity | Wide -- 750 Hz at 6dB down | ||
| Narrow -- 375 Hz at 6dB down |
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| Passband Center Frequency | 750 Hz |
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| Type of Reception | CW | ||
| Audio Output Impedance |
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