350-Watt VHF LB Digital Transmitter
Chapter 1, Introduction
DT325B, Rev. 0
1-6
dBm, dBw, dBmV, dB
µ
V, & VOLTAGE
EXPRESSED IN WATTS
50 Ohm System
WATTS
PREFIX
dBm
dBw
dBmV
dB
µ
V
VOLTAGE
1,000,000,000,000 1 TERAWATT
+150 +120
100,000,000,000 100 GIGAWATTS
+140 +110
10,000,000,000 10 GIGAWATTS
+130 +100
1,000,000,000 1 GIGAWATT
+120
+ 99
100,000,000 100 MEGAWATTS
+110
+ 80
10,000,000 10 MEGAWATTS
+100
+ 70
1,000,000 1 MEGAWATT
+ 90
+ 60
100,000 100 KILOWATTS
+ 80
+ 50
10,000 10 KILOWATTS
+ 70
+ 40
1,000 1 KILOWATT
+ 60
+ 30
100 1 HECTROWATT
+ 50
+ 20
50
+ 47
+ 17
20
+ 43
+ 13
10 1 DECAWATT
+ 40
+ 10
1 1 WATT
+ 30
0
+ 77
+137
7.07V
0.1 1 DECIWATT
+ 20
- 10
+ 67
+127
2.24V
0.01 1 CENTIWATT
+ 10
- 20
+ 57
+117
0.707V
0.001 1 MILLIWATT
0
- 30
+ 47
+107
224mV
0.0001 100 MICROWATTS
- 10
- 40
0.00001 10 MICROWATTS
- 20
- 50
0.000001 1 MICROWATT
- 30
- 60
0.0000001 100 NANOWATTS
- 40
- 70
0.00000001 10 NANOWATTS
- 50
- 80
0.000000001 1 NANOWATT
- 60
- 90
0.0000000001 100 PICOWATTS
- 70
-100
0.00000000001 10 PICOWATTS
- 80
-110
0.000000000001
1 PICOWATT
- 90
-120
TEMPERATURE CONVERSION
°
F = 32 + [(9/5)
°
C]
°
C = [(5/9) (
°
F - 32)]
