
Table of
Model 4935A
LIST OF ILLUSTRATIONS
Section
Title
Page
Section
Title
Page
l-l.
4935A Transmission Impairment
Measuring
................................................
l-2. Charge Acceptance at Various
................................................ l-6
5-1. Output Level and Transmit Monitor
Loop Adjustments.. .......................................
5-2. Receiver Adjustments.. .................................
5-3. Hold Circuit Adjustments.. ..........................
2-l.
Voltage Selection.. ................................
3-l. Front and
Panel Controls/
................................ .3-2
3 - 2 .
................................................
3-3. Input-Output Switching ................................. 3-17
3-4. Level and Frequency Mcasurcments.. ........
3-5. Message Circuit Noise
...... ..3-19
3-6. C-Mcssagc Weighting Characteristic.. ........
3-7. 3
Flat Weighting Characteristic.. ......... .3-20
3-8. Program Weighted liltcr.. ............................. .3-21
3-9.
15
Flat Filter .......................................... .3-21
3-10.
................................................... .3-22
3-11. C-Message Weighting with Notch
Characteristic.. ............................................... .3-23
3-12. Signal-to-Noise Measurement ..................... .3-23
3-13. Impulse Noise Waveform
Rcprcscntation.. ............................................. .3-24
3-14. Noise-to-Ground
to
Circuit Noise .................................................. .3-2.5
3-15. P/AR Transmit Signal Frcqucncy
Spectrum.. ....................................................... .3-26
3-16.
P/AR Transmit Signal
...............
6-l. Exploded View Case and Covers.. .............. .6-4
6-2. Exploded
Assemblies and Cables.. .. ..6- 5
6-3. Exploded View Battery Option.. .................
4-l. Transmitter Flatness Test
a t + 10
.................................................... .4-2
4-2.
Flatness Test
a t
...................................................... .4-4
4-3. Reccivcr Test at + 11
a n d -40
................................................... .4-8
4-4. Autorangc
.............................................. .4-10
4-5. Filter Tests.. .................................................... .4-11
4-6. Impulse Noise DAC T e s t ............................. .4-14
4-7. Count Limit
...........................................
4-8.
Impedance Test.. ..................... .4-17
4-9. Hold
Dropout
........... .4-19
4-10. Hold
‘Test.. ......................................... .4-20
4-11. Distortion
................................................ 4-21
4-12. -40
Distortion Test.. ............................. .4-22
4-13. Filter Circuits ................................................. .4-23
4-14. P / A R Test.. .................................................... .4-25
4-15. Noise-to-Ground Test.. ................................. .4-26
7-l. A2 Switch Board Component Locator.. .... ..7-10
7-2. A5 Charger Board Component Locator.. . ..7-14
7-3. Partial A5 Charger Board Schematic.. ....... .7-14
7-4. Al4 Transmitter Board Component
Locator ........................................................... .7-15
7-5. Partial A4 and Al4 Schematic ...................... 7-16
7-6. Al4 P/AR Transmitter Board
Component Locator.. ....................................
7-7. A4 Transmitter Board
Locator ........................................................... .7-17
7-8. Partial Power Supply Schematic.. ................
7-9. Al3 P/AR Receiver Board Component
Locator ........................................................... .7-19
7-10. A3 Receiver Board Component
Locator ........................................................... .7-20
A3 Receiver Board Schematic
(Sheet 1 of 2) ................................................. .7-21
7-12. A3 Receiver Board Schematic
(Sheet 2 of 2) ................................................. .7-23
7-13. Al3 P/AR Receiver Board Component
Locator ........................................................... .7-25
7-14. A3 Receiver Board Component
Locator ........................................................... .7-26
7-15. A3 Receiver Board Schematic
Diagram (Partial). .........................................
7-16. A4 Transmitter Board Component
Locator ........................................................... .7-28
7-17. Al4 Transmitter Board Component
Locator ...........................................................
7-18. A4 Transmitter Board Schematic
Diagram ......................................................... .7-29
7-19. Al4 Transmitter Board Schematic
Diagram (Partial). ......................................... .7-30
7-20. Al4 Transmitter Board Schematic
Diagram (Partial). ......................................... .7-30
7-21. A2 Switchboard Component Locator.. ....... .7-32
7-22. A2 Switchboard Schematic Diagram.. ........ .7-33
7-23. A3 Receiver Board
Summary of Contents for 4935A
Page 5: ......
Page 12: ......
Page 13: ... hctral Inii rmi ti Model 4935A Figure f 1 Model 4935A f ransnhdon Impairment Measuring set ...
Page 23: ......
Page 25: ...Model 4935A I 0 5 Figure 3 1 Front and Rear Panel Controls Connectors Indicators ...
Page 51: ......
Page 79: ......
Page 111: ......
Page 112: ......
Page 113: ......
Page 114: ......
Page 115: ......
Page 116: ......
Page 117: ......
Page 118: ......
Page 119: ......
Page 120: ......
Page 121: ......
Page 122: ......
Page 123: ......
Page 124: ......
Page 125: ......
Page 126: ......
Page 127: ......
Page 128: ......
Page 129: ......
Page 130: ......
Page 131: ......
Page 132: ......
Page 133: ......
Page 134: ......
Page 135: ......
Page 136: ......
Page 137: ......
Page 138: ......
Page 139: ......
Page 140: ......
Page 141: ......
Page 142: ......
Page 143: ......
Page 144: ......
Page 145: ......
Page 146: ......
Page 147: ......
Page 148: ......
Page 149: ......
Page 150: ......
Page 151: ......
Page 152: ......
Page 153: ......
Page 154: ......
Page 155: ......
Page 156: ......
Page 157: ......
Page 158: ......
Page 159: ......
Page 160: ......
Page 161: ......
Page 162: ......
Page 163: ......
Page 164: ......
Page 165: ......
Page 166: ......
Page 167: ......
Page 168: ......
Page 169: ......
Page 170: ......
Page 171: ......
Page 172: ......
Page 173: ......
Page 174: ......
Page 175: ......
Page 176: ......
Page 177: ......
Page 178: ......
Page 179: ......
Page 180: ......
Page 181: ......
Page 182: ......
Page 183: ......
Page 184: ......
Page 185: ......
Page 186: ......
Page 187: ......
Page 188: ......
Page 189: ......
Page 190: ......
Page 191: ......
Page 192: ......
Page 193: ......
Page 194: ......
Page 195: ......
Page 196: ......
Page 197: ......
Page 198: ......
Page 199: ......
Page 200: ......
Page 201: ......
Page 202: ......
Page 203: ......
Page 204: ......
Page 205: ......
Page 206: ......
Page 207: ......
Page 208: ......
Page 209: ......
Page 210: ......
Page 211: ......
Page 212: ......
Page 213: ......
Page 214: ......
Page 215: ......
Page 216: ......
Page 217: ......
Page 218: ......
Page 219: ......
Page 220: ......
Page 221: ......
Page 222: ......
Page 223: ......
Page 224: ......
Page 225: ......
Page 226: ......
Page 227: ......
Page 228: ......
Page 229: ......
Page 230: ......
Page 231: ......
Page 232: ......
Page 233: ......
Page 234: ......
Page 235: ......
Page 236: ......
Page 237: ......
Page 238: ......
Page 239: ......
Page 240: ......
Page 241: ......
Page 242: ......
Page 243: ......
Page 244: ......
Page 245: ......
Page 246: ......
Page 247: ......
Page 248: ......
Page 249: ......
Page 250: ......
Page 251: ......
Page 252: ......
Page 253: ......
Page 254: ......
Page 255: ......
Page 256: ......
Page 257: ......
Page 258: ......
Page 259: ......
Page 260: ......
Page 261: ......
Page 262: ......
Page 263: ......
Page 264: ......
Page 265: ......
Page 266: ......
Page 267: ......
Page 268: ......
Page 269: ......
Page 270: ......
Page 271: ......
Page 272: ......
Page 273: ......
Page 274: ......
Page 275: ......
Page 276: ......
Page 277: ......
Page 278: ......
Page 279: ......
Page 280: ......
Page 281: ......
Page 282: ......
Page 283: ......
Page 284: ......
Page 285: ......
Page 286: ......
Page 287: ......
Page 288: ......
Page 289: ......
Page 290: ......
Page 291: ......
Page 292: ......
Page 293: ......
Page 294: ......
Page 295: ......
Page 296: ......
Page 297: ......
Page 298: ......
Page 299: ......
Page 300: ......
Page 301: ......
Page 302: ......
Page 303: ......
Page 304: ......
Page 305: ......
Page 306: ......
Page 307: ......
Page 308: ......
Page 309: ......
Page 310: ......
Page 311: ......
Page 312: ......
Page 313: ......
Page 314: ......
Page 315: ......
Page 316: ......
Page 317: ......
Page 318: ......
Page 319: ......
Page 320: ......
Page 321: ......
Page 322: ......
Page 323: ......
Page 324: ......
Page 325: ......
Page 326: ......
Page 327: ......
Page 328: ......
Page 329: ......
Page 330: ......
Page 331: ......
Page 332: ......
Page 333: ......
Page 334: ......
Page 335: ......
Page 336: ......
Page 337: ......
Page 338: ......
Page 339: ......
Page 340: ......
Page 341: ......
Page 342: ......
Page 343: ......
Page 344: ......
Page 345: ......
Page 346: ......
Page 347: ......
Page 348: ......
Page 349: ......
Page 350: ......