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 10 ENG
BLOCK DIAGRAM SYMBOLS
SYMBOLS DESCRIPTION SYMBOLS DESCRIPTION SYMBOLS DESCRIPTION
f
f/n
Divider by n DC amplifier Optical amplifier
f
f/n
Multiplier by n Differential
comparator
Mixer general symbol Phase comparator
RF
FI
OL
Up-converter from IF
to RF
Detector amplifier
RF FI
OL
Down-converter from
RF to IF
CLAMP
P. SYNC
Lamped to the
syncrhronizing signal
peak
f
V
Voltage / frequency
converter
Schmitt’s trigger
Directional coupler Amplitude linearity
precorrector
Double directional
coupler
Amplitude limiter
without distortion
Directional coupler
with double detector
Equalizer general sign
Detector
A
Amplitude equalizer
Peak detector Phase equalizer
X
X
3
To rise to cubical
power
T
Propagation time
equalizer
Amplifier general
symbol
RF
Laser diode electrical-
optical transmitter
Multistage amplifier
RF
Optical-electrical
receiver