TYPICAL CHARACTERISTICS
1.4
1.2
f = 1 MHz
1.0
0.8
0.6
Cob
0.4
Ccb
0.2
0
0
2
4
6
8
10
VCB, REVERSE VOLTAGE (V)
Figure 1. Capacitance versus Voltage
1.2
1.1
f = 1 MHz
1.0
0.9
0.8
Cib
0.7
0.6
0.5
0.4
0
0.25
0.5
0.75
1.0
1.25
1.5
VEB, EMITTER–BASE VOLTAGE (V)
Figure 2. Input Capacitance versus Voltage
180
10
9
VCE = 6 V
f = 1 GHz
160
VCE = 1 V
8
7
140
6
5
120
4
100
3
2
80
1
1
10
100
0.1
1
10
100
IC, COLLECTOR CURRENT (mA)
IC, COLLECTOR CURRENT (mA)
Figure 3. DC Current Gain versus
Collector Current
Figure 4. Gain–Bandwidth Product versus
Collector Current
RF
INPUT
Pin
VCE
VBE
BIAS NETWORK
DUT
*SLUG TUNER
*SLUG TUNER
Figure 5. Functional Circuit Schematic
BIAS NETWORK
*MICROLAB/FXR
SF–11N < 1 GHz
SF–31N > 1 GHz
RF
OUTPUT
Pout
MOTOROLA RF DEVICE DATA
MRF949T1
3