NRF402 Datasheet, PDF (7/16 Pages) List of Unclassifed Manufacturers – 433MHz Single Chip RF Transmitter

PRODUCT SPECIFICATION
nRF402 Single Chip RF Transmitter
RF output power
The external bias resistor R3 connected between the RF_PWR pin and VSS sets the
output power. The RF output power may be set to levels up to +10dBm. In Figure 7
the output power is plotted for power levels down to, but not limited to, –8.5dBm for
a differential load of 400Ω. DC power supply current versus external bias resistor
value is shown in Figure 8.
10
8
6
4
2
0
-2
-4
-6
-8
-10
0
RF Output Power
22
27
33
39
47
56
68
82
100
120
150
20
40
60
80
100
120
140
160
Resistor Value [kΩ]
180
180
200
Figure 7. RF Output power vs. external power setting resistor (R3) for nRF402
30,0
25,0
20,0
15,0
10,0
5,0
0,0
0
Total Chip Current
22
27
33
39
47
56
68
82
100
120
150
180
20
40
60
80
100
120
140
160
180
200
Resistor Value [kΩ ]
Figure 8. Total chip current consumption vs. external power setting resistor (R3) for
nRF402
Nordic VLSI ASA
Revision: 2.1
Vestre Rosten 81, N-7075 Tiller, Norway -
Page 7 of 16
Phone [phone] -
Fax [phone]
February 2000