LG B1200 Schematics 6

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1. Performance

<General>

MODEL NAME B1200

Talk time 140 mins
Standby 50 - 120 hours
RF power output Class 4 GSM/ Class 1 DCS

Transmitting Frequency Range: GSM : 890 - 915 Mhz

Receiving Frequency Range: GSM : 935 - 960 Mhz

TX - RX Duplex Spacing: GSM : 45 MHz / PCN: 95Mhz
Channel Spacing: GSM : 200 Khz / PCN: 200 Khz
Number of Channels: GSM : 124 (Numbered 1 to 124)

PCN : 1710 - 1785 Mhz

PCN : 1805 - 1880 Mhz

PCN : 374 (Numbered 512 to 885)

1. PERFORMANCE

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1-1 PERFORMANCE

Item Description Specification

1 Frequency Band EGSM900 band

Tx: 890 + n*0.2 MHz
Rx: 935 + n*0.2 MHz
(n = 0 ~ 124)

Tx: 890 + (n-1024)*0.2 MHz
Rx: 935 +(n-1024)*0.2 MHz
(n = 975 ~ 1023)

GSM1800 band

Tx: 1710 + (n-512)*0.2
Rx: 1805 + (n-512)*0.2
(n = 512 ~ 885)

2 Phase error RMS < 5 degrees

Peak < 20 degrees

3 Frequency error < 0.1ppm ~ =90 Hz (for GSM900)

or 180 Hz (for GSM1800)

4 Power Level GSM900

Control Level Power level Tolerance

5 33 dBm ±2dB
6 31 dBm ±3dB
7 29 dBm ±3dB
8 27 dBm ±3dB

9 25 dBm ±3dB
10 23 dBm ±3dB
11 21 dBm ±3dB
12 19 dBm ±3dB
13 17 dBm ±3dB
14 15 dBm ±3dB
15 13 dBm ±3dB
16 11 dBm ±5dB
17 9 dBm ±5dB
18 7 dBm ±5dB
19 5 dBm ±5dB

GSM1800

Control Level Power Level Tolerance

0 30 dBm ±2dB

1 28 dBm ±3dB

2 26 dBm ±3dB

3 24 dBm ±3dB

4 22 dBm ±3dB

5 20 dBm ±3dB

6 18 dBm ±3dB

7 16 dBm ±3dB

8 14 dBm ±3dB

9 12 dBm ±4dB
10 10 dBm ±4dB
11 8 dBm ±4dB
12 6 dBm ±4dB
13 4 dBm ±4dB
14 2 dBm ±5dB
15 0 dBm ±5dB

1. PERFORMANCE

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Item Description Specification

5 Spectrum due to modulation GSM900

Offset from Carrier (KHz). Max. dBc

100 +0.5
200 -30
250 -33
400 -60

600 ~ <1200 -60

1200 ~ <1800 -60
1800 ~ <3000 -63
3000 ~ <6000 -65

6000

-71

GSM1800

Offset from Carrier (KHz). Max. dBc

100 +0.5
200 -30
250 -33
400 -60

600 ~ <1200 -60

1200 ~ <1800 -60
1800 ~ <3000 -65
3000 ~ <6000 -65

6000 -73

6

Spectrum due to switching transient

GSM900

Offset from Carrie(KHz). Max. dBm

400 -19

600 -21
1200 -21
1800 -24

GSM1800

Offset from Carrie(KHz). Max. dBm

400 -22

600 -24
1200 -24
1800 -27

7 Spurious emissions Conduction, Emission Status, Appendix 1

Conduction, Emission Status, Appendix 2

8 Bit Error Rate GSM900

BER(Class II) <2.439% @-102dBm

DCS1800

BER(Class II) <2.439% @-102dBm

9 Rx Level Report accuracy GSM900 GSM1800

-88 -86 2 2

-101 -99 3 2

< -101 < -99 4 2

10 SLR 8 +/- 3 dB

Item Description Specification

11 Sending Response Frequency(Hz) Max.(dB) Min.(dB)

100 -12
200 0

300 0 -12
1,000 0 -6
2,000 4 -6
3,000 4 -6
3,400 4 -9
4,000 0

12 RLR 2 +/- 3 dB
13 Receiving Response Frequency(Hz) Max.(dB) Min.(dB)

100 -12

200 0

300 2 -7

500 * -5
1,000 0 -5
3,000 2 -5
3,400 2 -10
4,000 2

* Mean that Adopt a straight line in between 300Hz&

1,000Hz to be Max. level in the range.
14 STMR 13 +/- 5 dB
15 Stability Margin > 6 dB
16 Distortion dB to ARL (dB) Level Ratio (dB)

-35 17.5

-30 22.5

-20 30.7

-10 33.3
0 33.7
7 31.7

10 25.5
17 Sidetone Distortion Three stage distortion < 10%
18 <Change> System frequency 2.5ppm

(13MHz)tolerance

19 <Change>32.768KHz tolerance 30ppm
20 Power consumption Full power: < 280mA (GSM) ; < 220mA (DCS)

Standby : Normal : <=5mA

21 Talk time GSM/ Level_7 (Battery Capacity 650mA):

180Min

22 Standby time Under conditions, at least 100 hours:

1. Brand new and full 650mAh battery

2. Full charge, keep GSM in idle mode.

3. Broadcast set off.

4. Signal strength=-82dBm, DRX=9multiframes

5. Back light of phone set off, no press keypad.

23 Ringer Volume At least 90dB under below conditions:

1. Ringer set as ringer 7.

2. Test distance set as 10 cm

1. PERFORMANCE

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1. PERFORMANCE

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Item Description Specification

24 Charge Voltage Fast Charge: < 650 mA

Trickle Charge: < 35 mA

25 Antenna display Level (RSSI)

0 RSSI

-104

1 -103

RSSI -98

2 -97

RSSI -92

3 -91

RSSI -86

4 -85

RSSI -76

5 -75 RSSI

26 Battery indicator Level Voltage (v)

0 3.300 ~ V ~ 3.504
1 3.504 ~ V ~ 3.570
2 3.570 ~ V ~ 3.686
3 3.686 ~ V ~ 3.935

4 3.935 ~ V
27 Low Voltage Warning 3.504V
28 Forced shut down Voltage 3.3V
29 Battery Type 1 Li-Ion battery

Standard Voltage = 3.7V
Battery full charge voltage =4.2V
Capacity: 650mAh (Li-Ion);

30 Travel Charger Linear Charger

In put: 110V or 240 VAC, 50/60Hz
Out put: 5VDC+/-0.25V, 650mA (No Load)

Switching-mode charger

In put: 96- 246VAC, 50/60Hz
Out put: 5VDC+/-0.25V, 650mA (No Load)

1. PERFORMANCE

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1-2 HW Features

Item Feature Comment

Battery Li-Ion Battery, 650mAh
AVG TCVR current (mA) GSM Imax(280mA),DCS Imax(220mA)
Stand by current (mA) 5mA

- Talk time 3-hour (GSM Tx Level_7)

- Stand by time TBD-hour(Paging Period:5 RSSI:-82dBm)

- Charging time 2-hour
RX sensitivity GSM:-107dBm, DCS:-105dBm
TX output power GSM (Level 5:32dBm)

DCS (Level0:29.5dBm)
GPRS compatibility N/A
SIM card type 3v/5v small
Display 128x64
Status Indicator Soft Icons
Keypad 0-9, #, *, C, Phone Book,up/down

On/Off, Hook
ANT Internal
System connector Yes
Ear Phone Jack N/A
PC synchronization N/A
Memory 2MB
Speech coding EFR/FR/HR
Data & Fax N/A
Vibrator Yes
Melody 15 default + 5 user edit
Voice Recording N/A
C-Mike N/A
Receiver Yes
Speaker Phone Yes
Portable Handsfree Yes, option
Travel Adapter Yes Switching
Options

1. PERFORMANCE

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1-3 GSM band RF Specifications

Frequency Stability < +/- 90Hz

RF Maximum Power Output 33dBm
RF Output Power Levels 15, decrementing in 2dB steps

Power Control Level 5 33dBm +/-2dB
Power Control Level 6 31dBm +/-3dB
Power Control Level 7 29dBm +/-3dB
Power Control Level 8 27dBm +/-3dB
Power Control Level 9 25dBm +/-3dB
Power Control Level 10 23dBm +/-3dB
Power Control Level 11 21dBm +/-3dB
Power Control Level 12 19dBm +/-3dB
Power Control Level 13 17dBm +/-3dB
Power Control Level 14 15dBm +/-3dB
Power Control Level 15 13dBm +/-3dB
Power Control Level 16 11dBm +/-5dB
Power Control Level 17 9dBm +/-5dB
Power Control Level 18 7dBm +/-5dB
Power Control Level 19 5dBm +/-5dB

TX Frequency Output

Low Channel (Ch 1) 890.2 MHz
Mid Channel (Ch 62) 902.4 MHz
High Channel (Ch 124) 914.8 MHz
TX Frequency Calculation (F

tx) 890 + (ARFCN x 0.2) = Ftx

MHz

TX UHF VCO Frequency

Low Channel (Ch 1) 1160.2 MHz
Mid Channel (Ch 62) 1172.4 MHz
High Channel (Ch 124) 1184.8 MHz
TX UHF VCO Freq. F

tx + 270 = Ftuhf MHz

Calculation (F

tuhf)

IF VCO Frequency 540 MHz

TX IF Frequency 270 MHz
Rx IF Frequency 270MHz

Phase Error

Peak Phase Error < 20 degrees
RMS Phase Error < 5 degrees

1. PERFORMANCE

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1-4 DCS band RF Specifications

Frequency Stability < +/- 180Hz

RF Maximum Power Output 30dBm
RF Output Power Levels 16, decrementing in 2dB steps

Power Control Level 0 30dBm +/-2dB
Power Control Level 1 28dBm +/-3dB
Power Control Level 2 26dBm +/-3dB
Power Control Level 3 24dBm +/-3dB
Power Control Level 4 22dBm +/-3dB
Power Control Level 5 20dBm +/-3dB
Power Control Level 6 18dBm +/-3dB
Power Control Level 7 16dBm +/-3dB
Power Control Level 8 14dBm +/-4dB
Power Control Level 9 12dBm +/-4dB
Power Control Level 10 10dBm +/-4dB
Power Control Level 11 8dBm +/-4dB
Power Control Level 12 6dBm +/-4dB
Power Control Level 13 4dBm +/-4dB
Power Control Level 14 2dBm +/-5dB
Power Control Level 15 0dBm +/-5dB

TX Frequency Output

Low Channel (Ch 512) 1710.2 MHz
Mid Channel (Ch 699) 1747.6 MHz
High Channel (Ch 885) 1784.8 MHz
TX Frequency Calculation (Ftx) 1710.2 + (ARFCN x 0.2) = Ftx MHz

TX UHF VCO Frequency

Low Channel (Ch 1) 1530.2 MHz
Mid Channel (Ch 62) 1567.6 MHz
High Channel (Ch 124) 1604.8 MHz
TX UHF VCO Freq. Ftx + 180 = Ftuhf MHz

Calculation (Ftuhf)

IF VCO Frequency 540 MHz

TX IF Frequency 180 MHz
Rx IF Frequency 270MHz

Phase Error

Peak Phase Error < 20 degrees
RMS Phase Error < 5 degrees

1. PERFORMANCE

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1-5 Receiver (GSM)

1-6 Receiver (DCS)

RX Frequency Input

Low Channel (Ch 1) 935.2 MHz
Mid Channel (Ch 62) 947.4 MHz
High Channel (Ch 124) 959.8 MHz
RX Frequency Calculation (F

rx) 935 + (ARFCN x 0.2) = Frx MHz

RX UHF VCO Frequency

Low Channel (Ch 1) 1160-1230 MHz
Mid Channel (Ch 62) 1205.2 MHz
High Channel (Ch 124) 1217.4 MHz
RX UHF VCO Freq. Calculation 1229.8 MHz
(F

ruhf)Frx + 270 = Fruhf MHz

RX VCO Frequency 540 MHz
Demodulation Frequency 270 MHz (540/ 2)
IF Frequency 270 MHz
BER (Bit Error Ratio) Type II BER <2.4% at -102dBm

Type II BER <0.1% at -15dBm

RX Frequency Input

Low Channel (Ch 1) 1805.2 MHz
Mid Channel (Ch 62) 1842.6 MHz
High Channel (Ch 124) 1879.8 MHz
RX Frequency Calculation (Frx) Ftx + 95 Mhz = Frx MHz

1535-1610 MHz

RX UHF VCO Frequency

Low Channel (Ch 1) 1535.2MHz
Mid Channel (Ch 62) 1572.6 MHz
High Channel (Ch 124) 1609.8 MHz
RX UHF VCO Freq. Calculation (Fruhf)Frx - 270 = Fruhf MHz

RX VCO Frequency 540 MHz
Demodulation Frequency 270 MHz (540/ 2)
IF Frequency 270 MHz
BER (Bit Error Ratio) Type II BER <2.4% at -102dBm

Type II BER <0.1% at -15dBm