Electrical characteristics STPTIC
4/13 DocID023772 Rev 4
Table 4. Representative performances (T
amb
= 25 °C)
Symbol Parameter Conditions
Value
Unit
Min Typ Max
C
2V
Capacitance at 2V bias
STPTIC-12 1.08 1.20 1.32 pF
STPTIC-27 2.43 2.7 2.97 pF
STPTIC-33 2.97 3.3 3.63 pF
STPTIC-39 3.51 3.9 4.29 pF
STPTIC-47 4.23 4.7 5.17 pF
STPTIC-56 5.04 5.6 6.16 pF
STPTIC-68 6.12 6.8 7.48 pF
STPTIC-82 7.38 8.2 9.02
I
L
Leakage current Measured with V
bias
= 20 V 100 nA
ΔC Tuning range
Ratio between C
2V
/C
20V
measured at 100 kHz
3/1 3.5/1
Q
LB
Quality factor Measured at 900 MHz 65
Q
HB
Quality factor Measured at 1800 MHz 45
IP3 Third order intercept point
V
bias
= 2 V
(1)
and
(3)
1. F
1
= 894 MHz, F
2
= 849 MHz, P
1
= 20 dBm, P
2
= -15 dBm, 2f
1
- f
2
= 939 MHz
60 dBm
V
bias
= 20 V
(1)
and
(3)
70 dBm
H2 Second harmonic
V
bias
= 2 V
(2)
and
(3)
2. 894 MHz, P
in
= 34 dBm
-65 dBm
V
bias
= 20 V
(2)
and
(3)
-65 dBm
H3 Third harmonic
V
bias
= 2 V
(2)
and
(3)
-45 dBm
V
bias
= 20 V
(2)
and
(3)
3. IP3 and harmonics are measured in the shunt/series configuration in a 50 Ω environment
-45 dBm
t
T
Transition time
From C
min
to C
max
(4)
4. One or both of RF
in
and RF
out
must be connected to DC ground
135 µs
From C
max
to C
min
(4)
100 µs
