Operating Manual for COMMUNICATIONS SERVICE MONITOR

More documents

Recommendations

Info

Audio Frequency Meter Frequency Range 20 Hz to 20 kHz Resolution 0.1 Hz, less than 10 kHz 1 Hz, at 10 kHz and above Indication 5 digits Accuracy As frequency standard ± 1 digit ± resolution Sensitivity 50 mV OPERATING MANUAL 2945A Audio SINAD Meter Frequency 1 kHz Range 0 to 18 dB and 0 to 50 dB Resolution 0.1 dB Indication 3 digits and barcharts Accuracy ± 1 dB Sensitivity 50 mV (100 mV for 40 dB SINAD). Reading suppressed if audio voltage is less than 5 mV Audio Distortion Meter Frequency 1 kHz Range 0 to 10 %, 0 to 30 % and 0 to 100 % Resolution 0.1 % distortion Indication 3 digits and barcharts Accuracy ± 5 % of reading ± 0.5 % distortion Sensitivity 50 mV (100 mV for 1 % distortion). Reading suppressed if audio voltage is less than 5 mV Audio S/N Meter Range 0 to 30 dB and 0 to 100 dB Resolution 0.1 dB Indication 3 digits and barchart Accuracy ± 1 dB Sensitivity 50 mV (100 mV for 40 dB S/N). Reading suppressed if audio voltage is less than 5 mV Audio Oscilloscope Operating Modes Single or repetitive sweep Frequency Range DC to 50 kHz, 3 Hz to 50 kHz AC coupled Voltage Range 10 mV to 20 V per division in a 1,2,5 sequence Voltage Accuracy ±5 % of full scale FM Ranges ±75, 30, 15, 6, 3 and 1.5 kHz deviation full scale, ±10 % accuracy AM Ranges 20, 10 and 5 % per division, ±10 % accuracy Timebase 50 μs/div to 5 s/div in a 1,2,5 sequence Graticule 10 Horizontal by 6 Vertical divisions Special features Built in antialiasing circuitry Audio Barcharts Barchart Displays AF Voltage, SINAD, Distortion, S/N Vertical Resolution 2 % of full scale Ranging Autoranging, range hold or manual selection 1, 2, 5, sequence with hysteresis 46882-311D 1-9
GENERAL INFORMATION Audio and Modulation Filters Transmitter measurements 300 Hz Lowpass 300 Hz Highpass 3 kHz Lowpass 300 Hz to 3.4 kHz Bandpass 15 kHz Lowpass 750 μs de-emphasis. (NOT available in Audio Mode) RF Frequency Meter Frequency Range 100 kHz to 1.05 GHz Resolution 1 Hz or 10 Hz, selectable Indication Up to 10 digits Accuracy As frequency standard ±resolution Acquisition Time Less than 1 second (manual). Typically 3 seconds (autotune), operates over 10 MHz - 1.0 GHz Sensitivity Autotuned: 5 mW (N-Type) 0.05 mW BNC (antenna port) Manual Tuned: −34 dBm (N-Type), −60 dBm BNC (antenna port) VSWR N Type
Page 1: Contains Operating Manual for COMMU
Page 4 and 5: About this manual This manual expla
Page 6 and 7: Contents Precautions ..............
Page 8 and 9: PRECAUTIONS Fuses WARNING WARNING W
Page 10 and 11: Contents List of figures Chapter 1
Page 12 and 13: Receiver testing OPERATING MANUAL 2
Page 14 and 15: Systems testing Cellular and trunke
Page 16 and 17: Receiver measurements RF signal gen
Page 20 and 21: OPERATING MANUAL 2945A Modulation M
Page 22 and 23: General features OPERATING MANUAL 2
Page 24 and 25: OPERATING MANUAL 2945A Printers sup
Page 26 and 27: OPERATING MANUAL 2945A 46882-311D 1
Page 28 and 29: INSTALLATION Introduction This chap
Page 30 and 31: INSTALLATION British Country IEC 32
Page 32 and 33: INSTALLATION RF and AF connections
Page 34 and 35: INSTALLATION GPIB The pin connectio
Page 36 and 37: INSTALLATION Test No 6 Transmitter
Page 38 and 39: INSTALLATION Check that the equipme
Page 40 and 41: Chapter 3 LOCAL OPERATION Contents
Page 42 and 43: OPERATING MANUAL 2945A Fig. 3-11 Sp
Page 44 and 45: OPERATING MANUAL 2945A The informat
Page 46 and 47: OPERATING MANUAL 2945A undefined si
Page 48 and 49: OPERATING MANUAL 2945A (31) Serial
Page 50 and 51: Setup page 1 This page allows the f
Page 52 and 53: OPERATING MANUAL 2945A Power Up Fro
Page 54 and 55: Brief descriptions Using the test m
Page 56 and 57: Tx test (transmitter testing) Overv
Page 58 and 59: WARNING Hot surfaces OPERATING MANU
Page 60 and 61: OPERATING MANUAL 2945A Directional
Page 62 and 63: Audio distortion measurement OPERAT
Page 64 and 65: OPERATING MANUAL 2945A shape settin
Page 66 and 67: OPERATING MANUAL 2945A The harmonic
Page 68 and 69:
OPERATING MANUAL 2945A trigger poin
Page 70 and 71:
External attenuators OPERATING MANU
Page 72 and 73:
*DUPLEX* OPERATING MANUAL 2945A All
Page 74 and 75:
OPERATING MANUAL 2945A The input si
Page 76 and 77:
Connections MOD GEN 1 MOD GEN 2 TON
Page 78 and 79:
WARNING Output level setting Hot su
Page 80 and 81:
OPERATING MANUAL 2945A External Mod
Page 82 and 83:
OPERATING MANUAL 2945A See Fig. 3-8
Page 84 and 85:
OPERATING MANUAL 2945A 20 dB signal
Page 86 and 87:
Selectivity 2041 Signal Generator S
Page 88 and 89:
OPERATING MANUAL 2945A difference i
Page 90 and 91:
Systems TONES GEN MOD GEN 1 MOD GEN
Page 92 and 93:
Setting up OPERATING MANUAL 2945A T
Page 94 and 95:
OPERATING MANUAL 2945A (6-2) to be
Page 96 and 97:
Look and Listen ! ! I/O SWITCH- ING
Page 98 and 99:
OPERATING MANUAL 2945A When operati
Page 100 and 101:
Input filtering OPERATING MANUAL 29
Page 102 and 103:
Parameter Test mode Tx frequency Tx
Page 104 and 105:
Observing tones signals in other te
Page 106 and 107:
Fig. 3-19 RF Sequential tones encod
Page 108 and 109:
OPERATING MANUAL 2945A of the orang
Page 110 and 111:
Output level Tone selection OPERATI
Page 112 and 113:
OPERATING MANUAL 2945A Return to th
Page 114 and 115:
OPERATING MANUAL 2945A Press the [T
Page 116 and 117:
OPERATING MANUAL 2945A The POCSAG t
Page 118 and 119:
OPERATING MANUAL 2945A • Set the
Page 120 and 121:
The soft keys have the following fu
Page 122 and 123:
Recalling Results OPERATING MANUAL
Page 124 and 125:
OPERATING MANUAL 2945A If a memory
Page 126 and 127:
OPERATING MANUAL 2945A Key in the e
Page 128 and 129:
Printer Access OPERATING MANUAL 294
Page 130 and 131:
FROM LOGIC CIRCUITS Table 3-2 Rear
Page 132 and 133:
Test mode screen and menu (1.0). HE
Page 134 and 135:
Test mode screen and menu (2.0). Tx
Page 136 and 137:
Test mode screen and menu (3.0). Rx
Page 138 and 139:
Test mode screen and menu (4.0). Dx
Page 140 and 141:
Test mode screen and menu (5.0). SY
Page 142 and 143:
Test mode screen and menu (6.0). SP
Page 144 and 145:
Test mode screen and menu (7.0). AF
Page 146 and 147:
Contents List of figures Chapter 4
Page 148:
The display OPERATING MANUAL 2945A
Page 152 and 153:
Tx test mode OPERATING MANUAL 2945A
Page 154 and 155:
Receiver circuits Input switching B
Page 156 and 157:
Third frequency changer/mixer OPERA
Page 158 and 159:
RF generator Modulators RF amplifie
Page 160 and 161:
AF test mode Systems mode OPERATING
Page 162 and 163:
TECHNICAL DESCRIPTION Simplified bl
Page 164 and 165:
ACCEPTANCE TESTING Introduction Res
Page 166 and 167:
ACCEPTANCE TESTING RF output tests
Page 168 and 169:
ACCEPTANCE TESTING (3) Check that t
Page 170 and 171:
ACCEPTANCE TESTING Test equipment D
Page 172 and 173:
ACCEPTANCE TESTING (12) Refer to Re
Page 174 and 175:
ACCEPTANCE TESTING Frequency modula
Page 176 and 177:
ACCEPTANCE TESTING Audio generator
Page 178 and 179:
ACCEPTANCE TESTING Audio voltmeter
Page 180 and 181:
ACCEPTANCE TESTING UUT LF generator
Page 182 and 183:
ACCEPTANCE TESTING Test equipment D
Page 184 and 185:
Page 186 and 187:
Page 188 and 189:
ACCEPTANCE TESTING UUT N TYPE OUTPU
Page 190 and 191:
ACCEPTANCE TESTING Power meter SENS
Page 192 and 193:
ACCEPTANCE TESTING Acceptance Test
Page 194 and 195:
ACCEPTANCE TESTING Level (dBm) Resu
Page 196 and 197:
ACCEPTANCE TESTING Results table 5-
Page 198 and 199:
Page 200 and 201:
ACCEPTANCE TESTING AF generator 1 f
Page 202 and 203:
ACCEPTANCE TESTING Frequency DVM re
Page 204 and 205:
ACCEPTANCE TESTING Carrier frequenc
Page 206 and 207:
Page 208 and 209:
Contents List of tables List of fig
Page 210 and 211:
Précautions OPERATING MANUAL 2945A
Page 212 and 213:
Precauzioni OPERATING MANUAL 2945A
Page 214 and 215:
Features OPERATING MANUAL 2945A Thi
Page 216 and 217:
OPERATING MANUAL 2945A RF connector
Page 218 and 219:
CW POWER 1000W 100W 10W 1W 100mW 10
Page 220 and 221:
VSWR Return loss (dB) Table A-1 Con
Page 222 and 223:
OPERATING MANUAL 2945A The bar char
Page 224 and 225:
DIRECTIONAL COUPLER CH. 1 CH. 2 TO
Page 226 and 227:
LIGHT-WEIGHT DIRECTIONAL POWER HEAD
Page 228 and 229:
Page 230 and 231:
Page 232 and 233:
Page 234 and 235:
Page 236 and 237:
INDEX H Hard copy .................
show all

Operating Manual for COMMUNICATIONS SERVICE MONITOR

You also want an ePaper? Increase the reach of your titles

Delete template?

Save as template?