5.8 GHz Medium Power Amplifier
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
30
Pout at Fo (dBm)
[Pout at Fo +/- fm] / [Pout at Fo] (dBc)
10
-10
-30
-50
-70
-90
-3
-2
-1
Gain control (Volts)
0
5.8/-50°
5.8015
5.802
5.8025
5.803
5.8035
CHA5215a
Pout at Fo (dBm), Mod. index (dB)
20
15
10
5
0
-5
-10
-15
-3
-2
-1
0
Gain control (Volts)
5.8/-50°
5.8005
30
Pout at Fo (dBm)
[Pout at Fo +/- fm] / [Pout at Fo] (dBc)
10
-10
-30
-50
-70
-90
-5
-4
-3
-2
Gain control (Volts)
-1
0
5.8/+25°C
5.8005
5.8015
5.802
5.025
5.803
25
Pout at Fo (dBm), Mod. index (dB)
20
15
10
5
0
-5
-10
-15
-5
-4
-3
-2
-1
0
Gain control (Volts)
5.8/+25°C
5.8005
30
Pout at Fo (dBm)
[Pout at Fo +/- fm] / [Pout at Fo] (dBc)
10
-10
-30
-50
-70
-90
-5
-4
-3
-2
Gain control (Volts)
-1
0
5.8/+70°
5.8005
5.8015
5.802
5.8025
5.803
25
Pout at Fo (dBm), Mod. index (dB)
20
15
10
5
0
-5
-10
-15
-5
-4
-3
-2
-1
0
Gain control (Volts)
5.8/+70°
5.8005
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 ]
