Samsung SCH-2500 series Service Manual page 11

Portable cellular telephone
Hide thumbs Also See for SCH-2500 series:
Table of Contents

Advertisement

Post Deviation Limiter Filter
3.0 ~ 5.9 kHz
5.9 ~6.1 kHz
6.1 ~15 kHz
Over 15 kHz
Spectrum Noise Suppression
For all modulation
fo +20 kHz ~ fo +45 kHz
For modulation by voice and SAT
fo +45 kHz
For modulation by WBD(without SAT) and ST(with SAT)
fo +45 kHz ~ fo + 60 kHz
fo +60 kHz ~ fo + 90 kHz
fo +90 kHz ~ 2 fo
Harmonic and conducted Spurious Emissions
3) Receiver
De-emphasis
Expandor
Expandor Rate
Attack time
Recovery Time
Recovery input
Sensitivity
Intermodulation Spurious Response
Attenuation
RSSI Range
Protection Against
Spurious Response Interference
SAMSUNG Proprietary - Contents may change without notice
: above 40 LOG(F/3000)dB
: above 35dB
: above 40 LOG(F/3000)dB
: above 28 dB
: above 26dB
: above 63dB+10LOG(PY)dB
: above 45 dB
: above 65 dB
: above 63 dB + 10 LOG(PY) dB
(where fo = carrier frequency
PY = mean output power in watts)
: below 43 + 10 LOG(PY) dB
: -6dB/oct within 0.3 ~ 3KHz
: 1 : 2
: within 3 ms
: Within 13.5 ms
: output power level to a 1000Hz tone from
a carrier within ±2.9 kHz peak frequency deviation
: 12 dB SINAD/-116dBm
: above 65dB
: avoce 60dB
: above 60dB
Specification
2-7

Advertisement

Table of Contents
loading

Table of Contents