About this manual
This manual provides step‑by‑step installation instructions for the Phase Locked AM & IF‑Filter board used with the JRC NRD‑525 receiver. It details removal of the receiver covers, connector identification, cable soldering, and board insertion procedures.
The document also covers test and adjustment procedures, operating guidelines, and wiring diagrams to ensure proper AM phase‑lock performance and optimal signal‑to‑noise improvement.
What's inside
- Installation Instructions
- Test & Adjustment Procedures
- Operating Instructions
- Circuit Diagrams
- Physical Drawings
- Block Diagrams
- Specifications
- Warranty and Service
Specifications
| Supported bandwidth modes | WIDE (6 kHz), AUX (4 kHz), INTER, NARROW |
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| IF‑filter bandwidth range | 0.3 kHz – 20.0 kHz |
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| Recommended IF‑filter bandwidths for shortwave | 4 kHz for AUX, 1.5 kHz for NARROW |