Holt Integrated Circuits
29
Table 7 – Power and Thermal bench measurements transmitting into 69Ω
Active
Channels
0=U7
1=U8
TX Duty Cycle
%
ICC Amps (3.3V)
69 ohm load
U7 (2130) C°
Temp.
Board flat open-
air
U8 (2130) C°
Board flat open-
air
0
100
1.07
70
56
0 & 1
100
1.86
82
78
0 & 1
100
1.86
50 with fan
45 with fan
0 & 1
100
1.78
81
78
0 & 1
50
1.02
65
63
0
50
.655
59
52
0
10
.34
49
45
0 & 1
10
.42
0 & 1
IDLE
.26
46
44
Note: ICC will be less with typical 75Ω bus coupler impedance.
