Samsung SCH-2500 series Service Manual page 10

Portable cellular telephone
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Specification
2-4 800MHZ CELLULAR(AMPS)
1) General
Frequency Range
.Transmitter
.Receiver
Channel Spacing
Number of Channels
Duplex Seperation
Frequency Stability
Modulation/Demodulation
.Voice
.Data
Operating Temperature
Supply Voltate
2) Transmitter
RF output power
Carrier ON/OFF conditions
"ON" Condition
"OFF" Condition
Compresssor
Compression Rate
Attack Time
Recovery Time
Reference Input
Preamphasis
Maximum Frequency Deviation
F3 of G3
Supervisory Audio Tone
Signling Tone
Wideband Data
2-6
: 824 ~ 849MHz
: 869 ~ 894MHz
: 30kHz
: 832
: 45MHz
o
C ~ 60
: ±2.5ppm(-30
: PM
: FM
o
C ~ 60
o
C , -22°F ~ 140°F
: -30
: +3.6V
: 0.6W(+2/-4dB)
: within ±3dB of specification output (in 2 ms)
: below -60dBm (in 2 ms)
: 2 : 1
: 3ms
: 13.5ms
: input power level for producing a nominal ±2.9kHz
: peak frequency deviation of transmitted carrier
: 6dB/oct within 0.3 ~ 3kHz
: ±12kHz
: ± 2kHz(±10%)
: ± 8kHz(±10%)
: ± 8kHz(±10%)
SAMSUNG Proprietary - Contents may change without notice
o
C , -22°F ~ 140°F)

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