| Unit as used by 44RT |
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| Unit |
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| Unit front view |
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| Unit rear view |
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| Control Front | Control Rear |
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| Control Up | Control Down |
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| Card 6 - Power Supply 1 | Card 7 - Power Supply 2 |
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| Card 1 - ADC R2R | Card 2 - VCO |
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| Card 3 - Filters | Card 4 - Ramp generator |
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| Card 5 - Mixer (diode ring) & Detection | Card 9 - |
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| THT 1 | THT 2 |
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| Cabling |
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| Broken tube and replacement |
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