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Figure 2-1. FQPSK-JR Baseband Signal Generator 7

Figure 2-2. Basic SOQPSK. 10

Figure 2-3. SOQPSK Transmitter. 12

Figure 2-4. Conceptual CPM modulator. 13

Figure 2-5. Continuous single sideband phase noise power spectral density 15

Figure 4-1. PCM code definitions. 3

Figure 4-2. PCM frame structure. 5

Figure 4-3 16 bit standardized time word format. 9

Figure 4-4. Time word insertion into 12 bit PCM word size. 9

Figure 4-5. Asynchronous word structure. 11

Figure 4-6 Overhead truth table. 11

Figure 5-1. Insertion of CVSD encoded audio into a PCM stream. 2

Figure 6-1. Recorded tape format. 12

Figure 6-2. Record and reproduce head and head segment identification and location (N-track interlaced system). 13

Figure 6-5. Serial high-density digital record and reproduce. 27

Figure 6-6. Location and dimensions of recorded tracks. 30

Figure 6-7. ADARIO block format. 33

Figure 6-8. ADARIO data format. 34

Figure 6-9a. Submux data format. 38

Figure 6-9b. Submux data format. 39

Figure 6-10. Helical track dimensions, B format. 41

Figure 6-11. Helical track dimensions, E format. 41

Figure 6-12. Recorded tracks on tape, B format. 45

Figure 6-13. Tape cartridge layout. 46

Figure 6-14. Helical track format. 47

Figure 6-15. Typical VLDS data path electronics block diagram. 49

Figure 6-16. Interleave buffer architectures. 51

Figure 6-17. The steps of the build process. 57

Figure 6-18. Recorder state transition diagram. 64

Figure 8-1. System block diagram. 2

Figure 8-2. Word construction. 4

Figure 8-3. Composite frame structure. 7

Figure 8-4. Multiple tape track spread format (4-track spread example). 8

Figure 9-1. Group relationships. 6

Figure 9-2. General Information Group (G). 7

Figure 9-3. Transmission Attributes Group (T). 11

Figure 9-4. Tape/Storage Source Attributes Group (R). 17

Figure 9-5. Multiplex/Modulation Attributes Group (M). 27

Figure 9-6. PCM Format Attributes Group (P). 31

Figure 9-7. PCM Measurement Description Group (D). 45

Figure 9-8. Bus Data Attributes Group (B). 57

Figure 9-9. PAM Attributes Group (A). 64

Figure 9-10. Data Conversion Attributes Group (C). 69

Figure 10-1. Functional layout of standard. 2

Figure 10-2. Directory Block Structure. 9

Figure 10-3. Directory Block (as depicted in STANAG 4575). 10

16

Figure 10-4. General Packet Format. 16

Figure 10-5. A 32-Bit Packet Format Layout. 17

18

Figure 10-6. Packet trailer for 32-bit Data Checksum. 18

18

Figure 10-7. Packet trailer for 8-bit Data Checksum. 18

23

Figure 10-8. General PCM Data Packet, Format 1. 23

Figure 10-9. PCM Packet Channel Specific Data format. 24

26

Figure 10-10. PCM Data – Unpacked Mode Sample Packet. 26

27

Figure 10-11. PCM Data – Packed Mode Sample Packet. 27

28

Figure 10-12. PCM Data – Throughput Mode sample packet. 28

28

Figure 10-13. PCM Intra-Packet header. 28

30

Figure 10-14. General Time Data Packet, Format 1. 30

Figure 10-15. Time Data Packet Channel Specific Data Word format. 30

Figure 10-16a. Time Data - Packet Format, Day Format. 32

Figure 10-16b. Time Data - Packet Format, Day, Month, And Year Format. 32

Figure 10-17. MIL-STD-1553 Packet Body Channel Specific Data Word format. 32

Figure 10-18. MIL-STD-1553 Data Packet, Format 1. 33

34

Figure 10-19. MIL-STD-1553 Intra-Packet Data Header. 34

Figure 10-20. Block Status Word bit definitions. 34

Figure 10-21. Gap Times Word bit definitions. 36

37

Figure 10-22. MIL-STD-1553 Data Packet, Format 1. 37

38

Figure 10-23. Generic Analog Data Packet, Format 1. 38

Figure 10-24. Analog Data Packets, Channel Specific Data word format. 39

43

Figure 10-25. Analog Data Packet – msb Unpacked Mode. 43

44

Figure 10-26. Analog Data Packet – lsb Unpacked Mode. 44

44

Figure 10-27. Analog Data Packet – Packed Mode packet. 44

45

Figure 10-28. General Discrete Data Packet, Format 1. 45

Figure 10-29. Discrete packet Channel Specific Data word format. 45

Figure 10-30. Discrete Data Event State word format. 46

46

Figure 10-31. Discrete Event Intra-Packet Data Header. 46

47

Figure 10-32. Discrete Data – Packet format. 47

48

Figure 10-33. General Computer Generated Data Packet format. 48

Figure 10-34. Computer Generated Data Packet - Channel Specific Data word format. 48

49

Figure 10-35. ARINC-429 Data Packet format. 49

Figure 10-36. ARINC 429 Packet Channel Specific Data Word format. 49

Figure 10-37. ARINC 429 ID Word bit definitions. 50

51

Figure 10-38. Message Data Packet format. 51

Figure 10-39. Complete Message Channel Specific Data Word Format. 51

Figure 10-40. Segmented type of Packet Body Channel Specific Data Word format. 52

53

Figure 10-41. Message Data Intra-Packet Header. 53

Figure 10-42. Intra-Packet Data Header format. 53

55

Figure 10-43. General MPEG-2 Video Packet, Format 0. 55

Figure 10-44. Video Packet Channel Specific Data Word format. 55

57

Figure 10-45. Format 0 MPEG-2 Video Frame Sync and Word format. 57

57

Figure 10-46. Format 0 MPEG-2 Video Data – sample packet. 57

Figure 10-47. Image Packet, Format 0. 58

Figure 10-48. Image Packet Channel Specific Data Word format. 58

59

Figure 10-49. Format 1 Image Data Intra-Packet Data Header. 59

Figure 10-50. UART Data Packet Format 0. 60

Figure 10-51. UART Packet Channel Specific Data Word, Format 0. 61

61

Figure 10-52. UART Data Intra-Packet Data Header. 61

Figure 10-53. UART Data ID Word format. 62

63

Figure 10-54. Required Discrete Control Functions. 63

Figure 10-55. Discrete Control and Indicator functional diagram. 65

Figure A-1. Spectra of 10-Mb/s CPFSK, ARTM CPM, FQPSK-JR, SOQPSK-TG signals. 4

Figure A-3. 10 Mb/s ARTM CPM signals with 9 MHz center frequency separation 7

Figure A-2. 5 Mb/s PCM/FM signals with 11 MHz center frequency separation. 7

Figure A-4. RNRZ PCM/FM signal. 11

Figure A-5. Spectrum analyzer calibration of 0-dBc level 12

Figure A-6. Bi PCM/PM signal 13

Figure A-7. FM/AM signal and Carson’s Rule 13

Figure A-8. Typical receiver RLC IF filter response (-3 dB bandwidth = 1 MHz). 15

Figure A-9. RLC and SAW IF filters 16

Figure A-10. Filtered 5-Mb/s RNRZ PCM/FM signal and spectral mask. 18

Figure A-11. Unfiltered 5-Mb/s RNRZ PCM/FM signal and spectral mask. 18

Figure A-12. Typical 5-Mb/s SOQPSK‑TG signal and spectral mask. 20

Figure A-13. Typical 5-Mb/s ARTM CPM signal and spectral mask. 20

Figure A-14. OQPSK modulator. 21

Figure A-15. I & Q constellation. 21

Figure A-16. FQPSK wavelet eye diagram. 22

Figure A-17. FQPSK-B I & Q eye 22

diagrams (at input to IQ modulator). 22

Figure A-18. FQPSK-B vector diagram. 22

Figure A-19. 5 Mb/s FQPSK-JR spectrum with random input data and small (blue) and large (red) modulator errors. 23

Figure A-20. FQPSK-B spectrum with all 0’s input and large modulator errors. 23

Figure A-21. FQPSK-JR BEP vs. Eb/N0. 25

Figure A-22. Measured SOQPSK-TG phase trajectory 25

Figure A-23. SOQPSK-TG Power Spectrum (5 Mb/s). 26

Figure A-24. BEP versus Eb/No performance of 5 Mb/s SOQPSK-TG. 26

Figure A-25. Power spectrum of 5 Mb/s 26

ARTM CPM. 26

Figure A-26. BEP versus Eb/No performance of 5 Mb/s ARTM CPM. 27

Figure A-27. Power spectrum of 5 Mb/s PCM/FM signal. 27

Figure A-28. BEP versus Eb/No performance of 5 Mb/s PCM/FM with multi-symbol bit detector and three single symbol receivers/detectors. 28

Figure C-1. BEP vs IF SNR in bandwidth = bit rate for NRZ-L PCM/FM. 1

Figure C-2. Spectral densities of random NRZ and Bi codes. 4

4

Figure C-3. Theoretical bit error probability performance for various baseband PCM signaling techniques (perfect bit synchronization assumed). 4

Figure C-4. Major Frame Length = Minor Frame Maximum Length. 6

Figure C-5. Major Frame Length = Minor Frame Maximum Length multiplied by Z. 7

Figure C-6. Major Frame Length = Minor Frame Maximum Length multiplied by Z. 8

Figure D-1. Record and reproduce head and head segment identification and location (7-track interlaced system). 3

Figure D-2. Randomizer block diagram. 10

Figure D-3. Randomized NRZ-L decoder block diagram. 12

Figure D-4. Random PCM power spectra. 13

Figure D-5a. Bi-L at bit packing density of 15 kb/in. 14

Figure D-5b. RNRZ-L at bit packing density of 25 kb/in. 14

Figure D-6. Tape crossplay. 17

Figure D-7. Square wave responses. 22

Figure F-1a. Typical CVSD encoder. 2

Figure F-1b. Typical CVSD decoder. 2

Figure F-2. Typical envelope characteristics of the decoder output signal for CVSD. 5

Figure F-3. Interface diagram for CVSD converter. 7

Figure F-4a. Insertion loss versus frequency for CVSD (16 kbps). 9

Figure F-4b. Insertion loss versus frequency for CVSD (32 kbps). 9

Figure F-5a. Variation of gain with input level for CVSD (16 kbps). 10

Figure F-5b. Variation of gain with input level for CVSD (32 kbps). 10

Figure F-6a. Signal to quantizing noise ratio vs input level for CVSD (16 kbps). 11

11

Figure F-6b. Signal to quantizing noise ratio vs input level for 11

CVSD (32 kbps). 11

Figure F-7a. Signal to quantizing noise ratio versus frequency for CVSD (16 kbps). 12

Figure F-7b. Signal to quantizing noise ratio versus frequency for CVSD (32 kbps). 12

Figure G-1. ADARIO data format. 2

Figure G-2. ADARIO data blocks. 3

Figure G-3. ADARIO timing. 4

Figure G-4a. Submux data format. 18

Figure G-4b. Submux data format. 19

Figure G-5. Submux aggregate format. 20

Figure H-1. Typical elements of the telemetry attributes transfer process. 2

Figure I-1. Sample cover sheet for attribute transfer files. 1

2

Figure J-1. Group linkages. 2

Figure J-2. PCM format for PCM w/async. 5

Figure J-3. PCM format for PCM1. 6

Figure J-4. PCM format for async. 7

Figure K-1. 50‑percent duty cycle PAM with amplitude synchronization. 2

Figure K-2. 100‑percent duty cycle PAM with amplitude synchronization. 2

Figure M-1. Transmission System. 22

Figure M-2. OFFSET QPSK 106 Symbol to Phase Mapping Convention. 23

Figure M-3. Detection ambiguity. 23

Figure M-4. QPSK State Timing 24

Figure M-5. OFFSET QPSK State Timing. 25

Figure M-6. Basic SOQPSK Transmitter. 33

Figure M-7. OQPSK Transmitter (with precoder). 34

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