EM2420-STR Ember, EM2420-STR Datasheet - Page 52
EM2420-STR
Manufacturer Part Number
EM2420-STR
Description
IC RF TXRX ZIGBEE 2.4GHZ 48-QLP
Manufacturer
Ember
Datasheet
1.EM2420-RTR.pdf
(84 pages)
Specifications of EM2420-STR
Mfg Application Notes
EM2420
Frequency
2.4GHz
Data Rate - Maximum
250kbps
Modulation Or Protocol
802.15.4
Applications
ZigBee™
Power - Output
-3dBm
Sensitivity
-94dBm
Voltage - Supply
2.1 V ~ 3.6 V
Current - Receiving
19.7mA
Current - Transmitting
17.4mA
Data Interface
PCB, Surface Mount
Antenna Connector
PCB, Surface Mount
Operating Temperature
-40°C ~ 85°C
Package / Case
48-QLP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Memory Size
-
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The
transmit test modes for performance
evaluation. The test mode descriptions in
the following sections requires that the
chip is first reset, the crystal oscillator is
enabled using the SXOSCON command
strobe and that the crystal oscillator has
stabilized.
Unmodulated carrier
An
transmitted
MDMCTRL1.TX_MODE to 2, writing 0x1800
to the DACTST register and issuing a
STXON command strobe. The transmitter
is then enabled while the transmitter I/Q
DACs are overridden to static values. An
Date:
Ember Part Number: 120-0049-000D
-10
-20
-30
-40
-50
-60
-70
-80
-90
-97
3
0
Ref Lvl
Ref Lvl
EM2420
Center 2.45 GHz
unmodulated
1AVG
3 dBm
3 dBm
23.OCT.2003
can be set into different
by
carrier
21:38:33
Figure 29. Single carrier output
may
setting
EM2420 Datasheet
be
200 kHz/
unmodulated carrier will then be available
on the RF output pins.
A plot of the single carrier output spectrum
from the
below.
RBW
VBW
SWT
10 kHz
10 kHz
50 ms
EM2420
is shown in Figure 29
RF Att
Unit
EM2420
Span 2 MHz
30 dB
Page 52 of 84
dBm
1SA
A
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