User's Manual

viii List of Figures
October 14, 2003 6881094C31-C
Figure 8-26. NLD8910B VHF Transmitter and Automatic Level Control Circuits ...................................8-38
Figure 8-27. NLD8910B VHF Frequency Generation Unit (Synthesizer) Circuit.....................................8-39
Figure 8-28. NLD8910B VHF Frequency Generation Unit (VCO) Circuit................................................8-40
Figure 8-29. NLD8910B VHF Transceiver (RF) Board Layout—Side 1 ..................................................8-41
Figure 8-30. NLD8910B VHF Transceiver (RF) Board Layout—Side 2 ..................................................8-42
Figure 8-31. NLE4272A UHF Range 1 Transceiver (RF) Board Overall Circuit Schematic....................8-48
Figure 8-32. NLE4272A UHF Range 1 Antenna Switch and Harmonic Filter Circuits ............................8-49
Figure 8-33. NLE4272A UHF Range 1 Receiver Front End (RX_FE) Circuit..........................................8-50
Figure 8-34. NLE4272A UHF Range 1 Receiver Back End (RX_BE) Circuit..........................................8-51
Figure 8-35. NLE4272A UHF Range 1 Transmitter Power Amplifier and Automatic Level Control (TX_ALC)
Circuit..................................................................................................................................8-52
Figure 8-36. NLE4272A UHF Range 1 Frequency Generation Unit (Synthesizer) Circuit ......................8-53
Figure 8-37. NLE4272A UHF Range 1 Frequency Generation Unit (VCO) Circuit ................................8-54
Figure 8-38. NLE4272A UHF Range 1 Transceiver (RF) Board Layout—Side 1....................................8-55
Figure 8-39. NLE4272A UHF Range 1 Transceiver (RF) Board Layout—Side 2....................................8-56
Figure 8-40. NLE4278A UHF Range 1 Transceiver (RF) Board Overall Circuit Schematic....................8-64
Figure 8-41. NLE4278A UHF Range 1 Antenna Switch and Harmonic Filter Circuits ............................8-65
Figure 8-42. NLE4278A UHF Range 1 Receiver Front End Circuit.........................................................8-66
Figure 8-43. NLE4278A UHF Range 1 Receiver Back End Circuit.........................................................8-67
Figure 8-44. NLE4278A UHF Range 1 Transmitter Power Amplifier and Automatic Level Control
Circuit..................................................................................................................................8-68
Figure 8-45. NLE4278A UHF Range 1 Frequency Unit (Synthesizer) Circuit.........................................8-69
Figure 8-46. NLE4278A UHF Range 1 Frequency Generation Unit (VCO) Circuit .................................8-70
Figure 8-47. NLE4278A UHF Range 1 Transceiver (RF) Board Layout—Side 1....................................8-71
Figure 8-48. NLE4278A UHF Range 1 Transceiver (RF) Board Layout—Side 2....................................8-72
Figure 8-49. NTN9564B VOCON Board Overall Schematic—1 of 2.......................................................8-79
Figure 8-50. NTN9564B VOCON Board Overall Schematic—2 of 2.......................................................8-80
Figure 8-51. NTN9564B VOCON Universal Connector Circuit ...............................................................8-81
Figure 8-52. NTN9564B VOCON Flipper Circuit.....................................................................................8-82
Figure 8-53. NTN9564B VOCON Controller and Memory Circuits—1 of 2.............................................8-83
Figure 8-54. NTN9564B VOCON Controller and Memory Circuits—2 of 2.............................................8-84
Figure 8-55. NTN9564B VOCON Audio and DC Circuits........................................................................8-85
Figure 8-56. NTN9564B VOCON Board Layout—Side 1........................................................................8-86
Figure 8-57. NTN9564B VOCON Board Layout—Side 2........................................................................8-87
Figure 8-58. NTN9564C VOCON Board Overall Schematic—1 of 2.......................................................8-93
Figure 8-59. NTN9564C VOCON Board Overall Schematic—2 of 2.......................................................8-94
Figure 8-60. NTN9564C VOCON Universal Connector Circuit ...............................................................8-95
Figure 8-61. NTN9564C VOCON Flipper Circuit.....................................................................................8-96
Figure 8-62. NTN9564C VOCON Controller and Memory Circuits—1 of 2.............................................8-97
Figure 8-63. NTN9564C VOCON Controller and Memory Circuits—2 of 2.............................................8-98
Figure 8-64. NTN9564C VOCON Audio and DC Circuits........................................................................8-99
Figure 8-65. NTN9564C VOCON Board Layout—Side 1......................................................................8-100
Figure 8-66. NTN9564C VOCON Board Layout—Side 2......................................................................8-101
Figure 8-67. NNTN4563A/B VOCON Board Overall Schematic—1 of 2...............................................8-107
Figure 8-68. NNTN4563A/B VOCON Board Overall Schematic—2 of 2...............................................8-108
Figure 8-69. NNTN4563A/B VOCON Universal Connector Circuit .......................................................8-109
Figure 8-70. NNTN4563A/B VOCON Flipper Circuit.............................................................................8-110
Figure 8-71. NNTN4563A/B VOCON Controller and Memory Circuits—1 of 2.....................................8-111
Figure 8-72. NNTN4563A/B VOCON Controller and Memory Circuits—2 of 2.....................................8-112
Figure 8-73. NNTN4563A/B VOCON Audio and DC Circuits................................................................8-113
Figure 8-74. NNTN4563A/B VOCON Board Layout—Side 1................................................................8-114
Figure 8-75. NNTN4563A/B VOCON Board Layout—Side 2................................................................8-115
Figure 8-76. NNTN4819A VOCON Board Overall Schematic—Sheet 1 of 2........................................8-122
Figure 8-77. NNTN4819A VOCON Board Overall Schematic—Sheet 2 of 2........................................8-123