LG HB620 Service Manual

* In case of DCS : [A] -> 1710, [B] -> 1785* In case of PCS : [A] -> 1850, [B] -> 1910
LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes
2. PERFORMANCE
- 10 -
No Item GSM850/900 DCS & PCS
3 Frequency Error ± 0.1ppm ± 0.1ppm
4 Phase Error ± 5(RMS) ± 5(RMS)
± 20(PEAK) ± 20(PEAK)
5 Frequency Error 3dB below reference sensitivity 3dB below reference sensitivity
Under Multipath and RA250 : ± 200Hz RA250: ± 250Hz
Interference Condition HT100 : ± 100Hz HT100: ± 250Hz
TU50 : ± 100Hz TU50: ± 150Hz
TU3 : ± 150Hz TU1.5: ± 200Hz
6 Output RF Due to 0 ~ 100kHz +0.5dB 0 ~ 100kHz +0.5dB
Spectrum modulation 200kHz -30dB 200kHz -30dB
250kHz -33dB 250kHz -33dB
400kHz -60dB 400kHz -60dB
600 ~ 1800kHz -66dB 600 ~ 1800kHz -60dB
1800 ~ 3000kHz -69dB 1800 ~ 6000kHz -65dB
3000 ~ 6000kHz -71dB ≥ 6000kHz -73dB
≥ 6000kHz -77dB
Due to 400kHz -19dB 400kHz -22dB
Switching 600kHz -21dB 600kHz -24dB
transient 1200kHz -21dB 1200kHz -24dB
1800kHz -24dB 1800kHz -27dB
7 Intermodulation attenuation - Frequency offset 800kHz
Intermodulation product should
be Less than 55dB below the
level of Wanted signal
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LG HB620 Specifications

General

Brand	LG
Model	HB620
Category	Cell Phone
Language	English