LG 47LA665C-CA (CHASSIS:LB33B) Service Manual ▷ View online
LGE TV Division LG()
Establish : 12.7.6. 81
Reform : 12.10.15 114
Reform : 12.10.15 114
LG 전자
LC33B Product Specification
14.2. specification of RF-receiver ( Motion remote Built-in type)
No
Item
Min
Typ
Max
Unit
Condition
Remark
1
Supply Voltage
3.0
3.3
3.6
V
2
Operation Temperature range
-10
75
°C
3
Storage Temperature range
-20
85
°C
4
RF output
0
10
dBm
5
Crystal Frequency
20
Mhz
6
Crystal Frequency accuracy
±10
ppm
7
Frequency Channel
79
Ch1 : 2.402 through Ch79 :
2.480 in 1Mhz channel spacing
2.480 in 1Mhz channel spacing
8
Data Rate
1
2
2
3
Mbps
9
Frequency Range
2400
2483.5
Mhz
Modulation type : GFSK, ∏/4-
DQPSK, 8-DPSK
DQPSK, 8-DPSK
10
Sensitivity Level
-88
-84
dBm
Varies by VDD
15. Wi-Fi module (Built in)
(LA6500/LA6200/LN5700 IS NOT Build in type)
No
Item
Min
Typ
Max
Unit
Remarks
1
Customized RF
2.4
5
GHz
2
Operating voltage
4.5
5.0
5.5
V
dc
3
Operation
Temperature
range
0
+60
℃
4
Storage Temperature range
-10
+80
℃
5
Frequency Range
2400
5150
5150
2500
5850
5850
MHz
LGE TV Division LG()
Establish : 12.7.6. 82
Reform : 12.10.15 114
Reform : 12.10.15 114
LG 전자
LC33B Product Specification
6
Impedance at Antenna
50
Ohm
7
Crystal frequency
20
MHz
8
Crystal frequency accuracy
-10
+10
ppm
@+25℃ ± 2℃
RF Receiver
No
Item
-
Spec
Unit
Remarks
1
Receiver Sensitivity
(IEEE 802.11b)
(IEEE 802.11b)
-
-76
dBm
Receiver Sensitivity
(IEEE 802.11g)
(IEEE 802.11g)
-
-65
dBm
Receiver Sensitivity
(IEEE 802.11a)
(IEEE 802.11a)
-
-65
dBm
Receiver Sensitivity
(IEEE 802.11an, HT20)
(IEEE 802.11an, HT20)
-
-64
dBm
Receiver Sensitivity
(IEEE 802.11an, HT40)
(IEEE 802.11an, HT40)
-
-61
dBm
Receiver Sensitivity
(IEEE 802.11gn, HT20)
(IEEE 802.11gn, HT20)
-64
dBm
Receiver Sensitivity
(IEEE 802.11gn, HT40)
(IEEE 802.11gn, HT40)
-62
dBm
2
Spurious Emissions
25MHz ~ 1GHz
25MHz ~ 1GHz
-57
dBm
3
Spurious Emissions
Above 1GHz
Above 1GHz
-47
dBm
RF Transmitter
No
Item
Min
Typ
Max
Unit
Remarks
1
Output Power
(IEEE 802.11b)
(IEEE 802.11b)
13
15
17
dBm
LGE TV Division LG()
Establish : 12.7.6. 83
Reform : 12.10.15 114
Reform : 12.10.15 114
LG 전자
LC33B Product Specification
Output Power
(IEEE 802.11g)
(IEEE 802.11g)
13
15
17
dBm
Output Power
(IEEE 802.11a)
(IEEE 802.11a)
11
13
15
dBm
Output Power
(IEEE 802.11an)
(IEEE 802.11an)
11
13
15
dBm
Output Power
(IEEE 802.11gn)
(IEEE 802.11gn)
13
15
17
dBm
2
Occupied Bandwidth (99%)
-
18.5
39
-
MHz
@BW=20MHz
@BW=40MHz
@BW=40MHz
*5GHz Only
3
Spurious Emissions
25MHz ~ 1GHz
25MHz ~ 1GHz
-
-
-36
dBm
4
Spurious Emissions
Above 1GHz
Above 1GHz
-
-
-30
dBm
15.1. RF specification
15.1.1. IEEE 802.11b
( 11Mbps mode unless otherwise specified)
No
Item
Contents
Remarks
1 Specification
IEEE802.11b
2 Mode
DSSS/CCK
3 Channel frequency
2400~2483 MHz
4 Data rate
1,2,5.5,11 Mbps
No
TX Characteristics
Min
Typ
Max
Unit
Remarks
1 Power Level
13
15
17
dBm
2
Spectrum Mask
1
st
side lobes ( to fc ±11MHz)
-
-43
-30
dBr
2
nd
side lobes ( to fc ±22MHz)
-58
-50
dBr
3 Modulation Accuracy (EVM)
-
30
35
%
4 Power On/Off ramp
-
0.5
2.0
Usec
5 Freq. Tolerance
-15
-
15
ppm
6 Chip Clock Freq. Tolerance
-15
-
15
ppm
No
RX Characteristics
-
Typ
Spec
Unit
Remarks
1 Minimum Input Level Sens. (FER ≤ 8%)
-
-76
dBm
LGE TV Division LG()
Establish : 12.7.6. 84
Reform : 12.10.15 114
Reform : 12.10.15 114
LG 전자
LC33B Product Specification
2 Maximum Input Level (FER ≤ 8%)
-
-
-10
dBm
* Normal Condition : 25℃, VDD=5V.
15.1.2. IEEE 802.11g
( 54Mbps mode unless otherwise specified)
No
Item
Contents
Remarks
1 Specification
IEEE802.11g
2 Mode
OFDM
3 Channel frequency
2400 ~ 2483 MHz
4 Data rate
6,9,12,18,24,36,48,54 Mbps
No
TX Characteristics
Min
Typ
Max
Unit
Remarks
1 Power Level
13
15
17
dBm
2
Spectrum Mask
at fc ±11MHz
-
-32
-20
dBr
at fc ±20MHz
-
-43
-28
dBr
at fc ≥ ±30MHz
-
-48
-40
dBr
3 Constellation Error (EVM)
-
-34
-25
dB
4 Freq. Tolerance
-15
-
15
ppm
5 Chip Clock Freq. Tolerance
-15
-
15
ppm
No
RX Characteristics
-
Typ
Spec
Unit
Remarks
1 Minimum Input Level Sens. (PER ≤ 10%)
-
-65
dBm
2 Maximum Input Level (PER ≤ 10%)
-
-
-20
dBm
* Normal Condition : 25℃, VDD=5V.
15.1.3. IEEE 802.11a
( 54Mbps mode unless otherwise specified)
No
Item
Contents
Remarks
1 Specification
IEEE802.11a
2 Mode
OFDM
3 Channel frequency
5150 ~ 5650 MHz, 5725 ~ 5850 MHz
4 Data rate
6,9,12,18,24,36,48,54 Mbps
No
TX Characteristics
Min
Typ
Max
Unit
Remarks
1 Power Level
11
13
15
dBm
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