RFM95 Datasheet, PDF (79/121 Pages) List of Unclassifed Manufacturers – Low Power Long Range Transceiver Module

WIRELESS & SENSING
RFM95/96/97/98(W)
PRELIMINARY
DATASHEET
5.4.3. High Power +20 dBm Operation
The RFM95/96/97/98(W) have a high power +20 dBm capability on PA_BOOST pin, with the following settings:
Table 78 High Power Settings
Register
RegPaDac
Address
0x4d
Value for
High Power
0x87
Default value
PA_HF/LF or
+17dBm
0x84
Description
Set Pmax to +20dBm for PA_HP
Notes - High Power settings must be turned off when using PA_LF or PA_HF
- The Over Current Protection limit should be adapted to the actual power level, in RegOcp
Specific Absolute Maximum Ratings and Operating Range restrictions apply to the +20 dBm operation. They are listed in
Table 79 and Table 80.
Table 79 Operating Range, +20dBm Operation
Symbol
Description
DC_20dBm
VSWR_20dBm
Duty Cycle of transmission at +20 dBm output
Maximum VSWR at antenna port, +20 dBm output
Min
Max
Unit
-
1
%
-
3:1
-
Table 80 Operating Range, +20dBm Operation
Symbol
Description
VDDop_20dBm Supply voltage, +20 dBm output
Min
Max
Unit
2.4
3.7
V
The duty cycle of transmission at +20 dBm is limited to 1%, with a maximum VSWR of 3:1 at antenna port, over the
standard operating range [-40;+85°C]. For any other operating condition, contact your Hope RF representative.
Tel: [phone] Fax: [phone] E-mail: [e-mail] http:/ / www.hoperf.com
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