User's Manual
Table Of Contents
- 900MHz ADJUSTABLE BANDWIDTH OFF-AIR REPEATERS_91 080 0716F
- INDEX
- 1) SAFETY RULES
- 2) STANDARDS
- 3) GENERAL DESCRIPTION
- 3.1) EXAMPLE: USE IN TUNNELS
- 3.2) OPERATING PRINCIPLE - 800MHz/900MHz ADJUSTABLE BANDWIDTH OFF-AIR REPEATERS
- 3.3) ATTACHED DOCUMENTS
- SMR - TECHNICAL CHARACTERISTICS
- CDMA/TDMA/AMPS - TECHNICAL CHARACTERISTICS
- EGSM - TECHNICAL CHARACTERISTICS
- GSM-R - TECHNICAL CHARACTERISTICS
- CDMA/TDMA/AMPS - ILLUSTRATIVE 1 - Equipment composition and backplane access points map
- CDMA/TDMA/AMPS - ILLUSTRATIVE 2 - Modules access points map and external access points map
- EGSM - ILLUSTRATIVE 1 - Equipment composition and backplane access points map
- EGSM - ILLUSTRATIVE 2 - Modules access points map and external access points map
- GSM-R - ILLUSTRATIVE 1 - Equipment composition and backplane access points map
- GSM-R - ILLUSTRATIVE 2 - Modules access points map and external access points map
- 4) INSTALLATION AND POWER-UP PROCEDURES
- ABBREVIATIONS AND ACRONYMS
- INDEX
STANDARDS Page 9 ENG
BLOCK DIAGRAM SYMBOLS
SYMBOLS DESCRIPTION SYMBOLS DESCRIPTION SYMBOLS DESCRIPTION
Linear variability 2-way switch NAND general symbol
Automatic adjustment Voltage control
electromagnetic relay
NOT general symbol
Combiner general
sign
Transformer Preemphasis
2-way power divider Rectifier general
symbol
Deenphasis
2-way power
combiner
=
=
DC/DC converter Delay line general
symbol
3-way power divider Bridge rectifier Coaxial type time
delay limiter
4-way power divider
REG
Voltage regulator Resistive attenuator
3dB Hybrid Zener regulator
dB
Pad
LIM.
WHITE
White limiter
BIAS
Constant current bias
device
Fixed phase shifter
Positive peak clipper Sinusoidal oscillator
THERMAL
SWITCH
Thermal switch
Negative peak clipper Ex-OR Band-pass filter
Circulator OR general symbol Band-stop filter
Isolator NOR general symbol Low-pass filter
Switch AND general symbol High-pass filter