Figure 1. Conversion Gain versus
Collector Current
Figure 2. Conversion Gain versus
Injection Level
Figure 3. Input Admittance Figure 4. Reverse Transfer Admittance
Figure 5. Forward Transfer Admittance Figure 6. Output Admittance
120
IC, COLLECTOR CURRENT (mAdc)
40
0
20
30
10
Vi, OSCILLATOR INJECTION (mV)
100 4000
30
10
0
0
IC, COLLECTOR CURRENT (mAdc)
50
40
30
20
10
0
IC, COLLECTOR CURRENT (mAdc)
4.00
0.1
0.08
0.06
0.04
0.02
0
2.020
2.0 6.00
IC, COLLECTOR CURRENT (mAdc)
200
120
80
40
0
IC, COLLECTOR CURRENT (mAdc)
4.0 160
0.8
0.6
0.2
0
104.0
G
PC
, CONVERSION GAIN (dB)y , INPUT ADMITTANCE (mmhos)
y
re
, REVERSE TRANSFER ADMITTANCE (mmhos)
6.02.0 4.0 8.0 10 14 16 200 300
20
40
2.0 4.0 106.0 10 12 20
, FORWARD TRANSFER ADMITTANCE (mmhos)y
fe
8.0 2010
160
2.0 6.0 8.0 201812 14
0.4
y
oe
, OUTPUT ADMITTANCE (mmhos)
8.06.0 14 16 18
f = 45 MHz
gre < –0.01 mmho
–b
re
f = 45 MHz
g
oe
f = 45 MHz
8.0 12 14 16 18
ie
12 14 16 18
b
oe
b
ie
b
ie
g
ie
g
ie
b
fe
g
fe
213 MHz
60 MHz
f
sig
= 60 MHz, f
osc
= 10 MHz
f
sig
= 213 MHz, f
osc
= 275 MHz
Osc Inj = 150 mVrms
f
sig
= 60 MHz, f
osc
= 104 MHz
f
sig
= 213 MHz, f
osc
= 275 MHz
IC = 8.0 mAdc
G
PC
, CONVERSION GAIN (dB)
COMMON–EMITTER y PARAMETERS
(VCE = 15 Vdc, TA = 25°C)
CONVERSION GAIN CHARACTERISTICS
(TEST CIRCUIT FIGURE 7)
(VCC = 20 Vdc, RS = RL = 50 Ohms, fif = 44 MHz, B.W. = 6.0 MHz)