7-1
Chapter 7
Schematic Diagrams
Figure Title Page
7-1. A1 Keyboard Assembly.......................................................................... 7-3
7-2. A2 Front Panel PCA ............................................................................... 7-5
7-3. A3 Analog Motherboard PCA ................................................................ 7-10
7-4. A4 Digital Motherboard PCA................................................................. 7-15
7-5. A5 Wideband Output PCA (Option -03) ................................................ 7-19
7-6. A6 Wideband Oscillator PCA (Option -03)............................................ 7-23
7-7. A7 Current/High-Resolution Oscillator PCA ......................................... 7-27
7-8. A8 Switch Matrix PCA........................................................................... 7-32
7-9. A9 Ohms Cal PCA.................................................................................. 7-38
7-10. A10 Ohms Main PCA............................................................................. 7-43
7-11. A11 DAC PCA ....................................................................................... 7-48
7-12. A11A1 DAC Filter SIP PCA .................................................................. 7-55
7-13. A11A2 DAC Buffered Reference SIP PCA ........................................... 7-56
7-14. A12 Oscillator Control PCA................................................................... 7-57
7-15. A13 Oscillator Output PCA.................................................................... 7-61
7-16. A13A1 Oscillator Wideband SMD PCA ................................................ 7-65
7-17. A14 High Voltage Control PCA ............................................................. 7-67
7-18. A15 High Voltage/High Current PCA.................................................... 7-72
7-19. A16 Power Amplifier PCA..................................................................... 7-75
7-20. A16A1 Power Amplifier Digital Control SIP PCA ................................ 7-79
7-21. A17 Regulator/Guard Crossing PCA...................................................... 7-81
7-22. A18 Filter/PA Supply PCA..................................................................... 7-84
7-23. A19 Digital Power Supply PCA ............................................................. 7-87
7-24. A20 CPU PCA ........................................................................................ 7-89
7-25. A21 Rear Panel PCA .............................................................................. 7-95
7-26. Hybrids ................................................................................................... 7-101