5.8 GHz Medium Power Amplifier
CHA5215a
3. Linearity characteristic
Measurement conditions
Bias : Vd = +9V Id=330mA (Vg = -1.4V)
,
Input signal : amplitude modulated signal,
Fcarrier = Fo = 5.8GHz, Pcarrier = 4.8dBm
Fm = 500kHz, modulation index = 0.7
25
20
15
30
10
10
5.8/-50°
-10
-30
-50
-70
-90
5.8015
5.8/-50°
5.8005
5
5.802
5.8025
0
5.803
5.8035
-5
-10
-15
-3
-2
-1
0
-3
-2
-1
0
Gain control (Volts)
Gain control (Volts)
30
25
20
15
10
5
10
-10
-30
-50
-70
-90
5.8/+25°C
5.8005
5.8015
5.802
5.8/+25°C
5.8005
0
5.025
5.803
-5
-10
-15
-5
-4
-3
-2
-1
0
-5
-4
-3
-2
-1
0
Gain control (Volts)
Gain control (Volts)
30
10
25
20
15
10
5
5.8/+70°
5.8005
5.8015
5.802
-10
-30
-50
-70
-90
5.8/+70°
5.8005
5.8025
5.803
0
-5
-10
-15
-5
-4
-3
-2
-1
0
-5
-4
-3
-2
-1
0
Gain control (Volts)
Gain control (Volts)
Ref. : DSCHA52150160 -08-Jun-00
7/12
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 ]
