BFQ790 Datasheet, PDF (14/30 Pages) Infineon Technologies AG – High Linearity High Gain 1/2 Watt RF Driver Amplifier

7.2
AC Parameter Tables
BFQ790
Electrical Performance in Test Fixture
Table 7-2 General AC Characteristics at T_A = 25 °C
Parameter
Symbol
Min.
Transition frequency
f_T
–
Collector base capacitance
C_CB
–
Collector emitter capacitance
C_CE
–
Emitter base capacitance
C_EB
–
Values
Typ. Max.
20
–
1.1
–
2.2
–
9.4
–
Unit Note / Test Condition
GHz
pF
pF
pF
V_CE = 5 V, I_C = 250 mA,
f = 0.5 GHz
V_CB = 5 V, V_BE = 0
f = 1 MHz
Emitter grounded
V_CE = 5 V, V_BE = 0
f = 1 MHz
Base grounded
V_EB = 0.5 V, V_CB = 0
f = 1 MHz
Collector grounded
Measurement setup for the AC characteristics shown in tables 7-3 to 7-6 is a test fixture with Bias T’s and tuners
to adjust the source and load impedances in a 50 Ω system, T_A = 25 °C.
Figure 7-1 BFQ790 Testing Circuit
Preliminary Data Sheet
14
Revision 2.0, 2014-08-26