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參數資料
| 型號： | DE6003-002 |
| 英文描述： | Telecommunication IC |
| 中文描述： | 通信集成電路 |
| 文件頁數： | 7/12頁 |
| 文件大小： | 315K |
| 代理商： | DE6003-002 |
DE6003
7
Characteristic
Note
23
24
24
25
25
26
27
27
27
28
29
30
RSSI delay time
Frequency hop time to valid RSSI
Frequency hop time to valid RSSI
Transmit mode to receive valid RSSI
Transmit mode to receive valid RSSI
Time to valid RSSI after antenna selection
Receiver conducted emissions
<
1GHz
Receiver conducted emissions
<
1GHz, Chan. 84. See note (i)
Receiver conducted emissions
>
1GHz
Power off to receive valid data/RSSI
Standby to receive valid data/RSSI
Frequency stability
DYNAMIC CHARACTERISTICS (Continued)
Symbol
-
t
23
t
23
t
24
t
24
t
26
-
-
-
t
27
t
28
-
-
-
-
-
-
-
-
-
-
-
-
-
-
50
-
4
-
-
2
77
-
2
56
-
-
-
-
70
-
5
-
-
2
57
2
57
2
47
-
-
-
Min.
Typ.
Max.
-
-
-
-
-
-
-
-
-
-
-
-
Min.
V
CC
=
1
5V at 25°C
μs
μs
μs
μs
μs
μs
dBm
dBm
dBm
ms
ms
ppm
Units
4·5
-
80
-
6
5
2
57
-
2
47
10
1
±20
Max.
Table 7 (Continued)
V
CC
= 5V
6
5% at
0°C to 55°C
UNWANTED EMISSIONS
The DE6003 has been characterised to meet
the RCR STD-33, ETSI ETS 300-328 and FCC15.247 regulatory
limits when used correctly and during test the production units
are checked for conformity. When the radio is required to comply
with FCC 15·247 regulations, the protocol must permit the radio
to transmit any one channel for a total time not exceeding 20ms
in any 100ms period. For correct use a suitable protocol, timing
and timing sequences must be used as indicated in application
note AN142.
The antennas used will also determine if conformity to the
above regulations is possible; effects of both gain and harmonic
response must be considered. Substitution by the end user of
alternative antennas to those supplied with the equipment should
not be possible if FCC regulations are to be complied with.
The 2·4GHz ISM band is allocated such that there are
strict limits on the amount of radiation allowed outside, but
adjacent to, the band. Because the modulated
signal is not infinitely small, certain constraints exist in the
proximity of the operating channel to the edge of the
allocated band.
For maximum network throughput, it advisable to arrange
that stations do not attempt to use adjacent channels, but to
use channels separated by at least 2MHz from any other
channel that is in use.
NOTE: To comply with the regulations, it is recommended
that the following channels are used, allowing ‘guard bands’
at each end of the usable frequency allocation:
ETSI and FCC: Channels 01 to 82 (2402 to 2482MHz);
RCR: Channels 72 to 95 (2473 to 2495MHz).
Fig. 3 Timing control diagram
t
6
RX
/
TX
RECEIVE
TRANSMIT
t
7
PAOFF
DATA FOR TRANSMISSION
RECEIVE
RF OUTPUT
RADIO MODE
TXD
VALID DATA
VALID DATA
t
24
VALID RSSI
VALID RSSI
RXD
RSSI
PWRLO
ANTSEL
t
2
t
20
t
1
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