40GHz Super Low Noise PHEMT
EC2612
(CHIP) Equivalent Circuit model (Drain and Gate bond wires included)
Parameter
Lg
Rg
Cgs
Ri
Cgd
Rs
Ls
Gm
Tau
Cds
Rds
Rd
Ld
Unit
pH
Ohms
fF
Ohms
fF
Ohms
pH
mS
ps
fF
Ohms
Ohms
pH
Value
152.54
0.13
142.6
3.2
39.57
2.83
0.11
98.14
2.8
46.84
116.8
2.83
117.01
G
Lg
Rg
Cg d
Rd
Ld
D
Cg s
Vg s
Ri
Ta u
Gm
Rd s
Cds
Rs
Ls
S
backside of substrate
Typical Noise Parameters
at Vds=2V, Ids=14mA
(Drain and Gate bond wires included)
FREQUENCY
MHz
5000
8000
12000
15000
20000
24000
28000
30000
32000
35000
38000
40000
42000
45000
NF min
dB
0.26
0.356
0.492
0.595
0.762
0.892
1.01
1.07
1.137
1.223
1.307
1.362
1.415
1.493
Γ
opt
MOD.
0.811
0.746
0.658
0.598
0.514
0.473
0.460
0.465
0.475
0.5
0.533
0.556
0.581
0.618
Rn
Ang.(°)
19.888
32.28
49.899
64.263
91.037
114.916
139.673
151.723
163.219
179.087
-166.857
-158.467
-150.795
-140.488
14.089
13.33
11.87
10.51
7.965
5.923
4.16
3.473
2.966
2.63
2.923
3.538
4.536
6.843
Ref. : DSEC26120077 -17-Marc-00
7/8
Specifications subject to change without notice
Route Départementale 128 , B.P.46 - 91401 ORSAY Cedex - FRANCE
Tel.: +33 (0)1 69 33 03 08 - Fax : +33 (0)1 69 33 03 09
UMS [ UNITED MONOLITHIC SEMICONDUCTORS ]
