| Products > Test Equipment |
| Advantest R3273 100Hz-26.5GHz Spectrum Analyzer repair |
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| chick0n:
--- Quote from: dschiedsch on August 26, 2016, 12:30:44 pm --- There was a defect bias circuit for the first mixer which put DC voltage in the first stage and degraded the signal greatly. --- End quote --- I think i have the same problem. The DC is everywhere in the circuit. This cant be right. Could you explain the repair a bit more? |
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