EM2420 ETC [List of Unclassifed Manufacturers], EM2420 Datasheet - Page 70
![no-image](/images/no-image-200.jpg)
EM2420
Manufacturer Part Number
EM2420
Description
2.4 GHz IEEE 802.15.4 / ZigBee RF Transceiver
Manufacturer
ETC [List of Unclassifed Manufacturers]
Datasheet
1.EM2420.pdf
(89 pages)
Available stocks
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Part Number
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Quantity
Price
Part Number:
EM2420
Manufacturer:
EMBER
Quantity:
20 000
- Current page: 70 of 89
- Download datasheet (2Mb)
RXCTRL1 (0x17) - Receive control register 1
15:14
13
12
11
10
9
8
7:6
5:4
3:2
1:0
Ember Part Number: 120-0049-000C
Bit
Field Name
-
RXBPF_LOCUR
RXBPF_MIDCUR
LOW_LOWGAIN
MED_LOWGAIN
HIGH_HGM
MED_HGM
LNA_CAP_ARRAY[1:0]
RXMIX_TAIL[1:0]
RXMIX_VCM[1:0]
RXMIX_CURRENT[1:0]
Reset
0
0
0
1
0
1
0
1
1
1
2
EM2420 Datasheet
R/W
W0
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
Description
Reserved, write as 0.
Controls reference bias current to RX bandpass filters:
0: 4 uA (Default)
1: 3 uA
Controls reference bias current to RX bandpass filters:
0: 4 uA (Default)
1: 3.5 uA
LNA low gain mode setting in AGC low gain mode.
LNA low gain mode setting in AGC medium gain mode.
RX Mixers high gain mode setting in AGC high gain mode.
RX Mixers high gain mode setting in AGC medium gain mode.
Selects varactor array setting in the LNA
0: OFF
1: 0.1pF (x2) (Nominal)
2: 0.2pF (x2)
3: 0.3pF (x2)
Control of the receiver mixers output current.
0: 12 µA
1: 16 µA (Nominal)
2: 20 µA
3: 24 µA
Controls VCM level in the mixer feedback loop
0: 8 µA mixer current
1: 12 µA mixer current (Nominal)
2: 16 µA mixer current
3: 20 µA mixer current
Controls current in the mixer
0: 360 µA mixer current (x2)
1: 720 µA mixer current (x2)
2: 900 µA mixer current (x2) (Nominal)
3: 1260 µA mixer current (x2)
EM2420
Page 70 of 89
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