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RFM95 Datasheet(HTML) 89 Page - HOPE Microelectronics CO., Ltd.

Part No. RFM95
Description  Low Power Long Range Transceiver Module
Download  121 Pages
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Maker  HOPE [HOPE Microelectronics CO., Ltd.]
Homepage  https://www.hoperf.com/
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RFM95 Datasheet(HTML) 89 Page - HOPE Microelectronics CO., Ltd.

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 89 page
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Page 89
RFM95/96/97/98(W)
Tel: + 86-755-82973805
Fax: + 86-755-82973550
E-mail: sales@hoperf.com http:/ / www.hoperf.com
WIRELESS & SENSING
PRELIMINARY
DATASHEET
Name
(Address)
Bits
Variable Name
Mode
Default
value
FSK/OOK Description
7-6
unused
r
0x00
unused
5
OcpOn
rw
0x01
Enables overload current protection (OCP) for the PA:
0
OCP disabled
1
OCP enabled
RegOcp
(0x0B)
4-0
OcpTrim
rw
0x0b
Trimming of OCP current:
Imax = 45+5*OcpTrim [mA] if OcpTrim <= 15 (120 mA) /
Imax = -30+10*OcpTrim [mA] if 15 < OcpTrim <= 27 (130 to 240
mA)
Imax = 240mA for higher settings
Default Imax = 100mA
Registers for the Receiver
7-5
LnaGain
rw
0x01
LNA gain setting:
000
reserved
001
G1 = highest gain
010
G2 = highest gain – 6 dB
011
G3 = highest gain – 12 dB
100
G4 = highest gain – 24 dB
101
G5 = highest gain – 36 dB
110
G6 = highest gain – 48 dB
111
reserved
Note:
Reading this address always returns the current LNA gain (which
may be different from what had been previously selected if AGC
is enabled.
4-3
LnaBoostLf
rw
0x00
Low Frequency (RFI_LF) LNA current adjustment
00
Default LNA current
Other
Reserved
2
reserved
rw
0x00
reserved
RegLna
(0x0C)
1-0
LnaBoostHf
rw
0x00
High Frequency (RFI_HF) LNA current adjustment
00
Default LNA current
11
Boost on, 150% LNA current


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