EIC7177-10
Power De-rating Curve and IM3 Definition
Power Dissipation vs. Temperature
THIRD-ORDER
INTERCEPT POINT IP3
48
42
IP3 = Pout + IM3/2
36
Potentially Unsafe
f1 or f2
Operating Region
30
Pout
24
IM3
Pin
Safe Operating
18
Region
IM3
(2f1-f2) f1 f2 (2f2-f1)
f1 f2
12
(2f2 - f1) or (2f1 - f2)
6
0
0
25
50
75
100
125
150
Case Temperature (°C)
Pin [S.C.L.] (dBm)
Typical Power Data (VDS = 10 V, IDSQ = 3200 mA)
Typical IM3 Data (VDS = 10 V, IDSQ ≈ 65% IDSS)
P-1dB & G-1dB vs Frequency
IM3 vs Output Power
42
12
11
10
9
f1 = 7.40 GHz, f2 = 7.41 GHz
-15
-20
-25
-30
-35
-40
-45
-50
-55
41
40
39
38
8
-60
-65
IM3 (dBc)
P-1dB (dBm)
G-1dB (dB)
7.7 7.8
37
7
24 25 26 27 28 29 30 31 32 33 34 35 36
Pout [S.C.L.] (dBm)
7.0
7.1
7.2
7.3
7.4
7.5
7.6
Frequency (GHz)
Specifications are subject to change without notice.
Excelics Semiconductor, Inc. 310 De Guigne Drive, Sunnyvale, CA 94085
Phone: 408-737-1711 Fax: 408-737-1868 Web: www.excelics.com
page 3 of 4
Revised October 2003
EXCELICS [ EXCELICS SEMICONDUCTOR, INC. ]
