Variable Capacitance Diode for VCO
HVC374B
Variable Capacitance Diode for VCO
ADE-208-621(Z) Rev 0 Jun. 1998 Features
• High capacitance ratio and good C-...
Description
HVC374B
Variable Capacitance Diode for VCO
ADE-208-621(Z) Rev 0 Jun. 1998 Features
High capacitance ratio and good C-V linearity. To be usable at low voltage. Ultra small F lat P ackage (UFP) is suitable for surface mount design.
Ordering Information
Type No. HVC374B Laser Mark B6 Package Code UFP
Outline
Cathode mark Mark 1
B6
2 1. Cathode 2. Anode
HVC374B
Absolute Maximum Ratings (Ta = 25°C)
Item Reverse voltage Junction temperature Storage temperature Symbol VR Tj Tstg Value 10 125 –55 to +125 Unit V °C °C
Electrical Characteristics (Ta = 25°C)
Item Reverse current Symbol I R1 I R2 Capacitance C1 C2 Capacitance ratio Series resistance n rs Min — — 21.5 12.5 1.68 — Typ — — — — — — Max 10 100 24.0 14.5 1.75 1.2 — Ω pF Unit nA Test Condition VR = 10V VR = 10V, Ta = 60 °C VR = 1V, f = 1 MHz VR = 2V, f = 1 MHz C1/ C2 VR = 1V, f = 470 MHz
2
HVC374B
Main Characteristic
-10
10
25 f=1MHz
Reverse current I R (A)
10
-11
20
(pF)
10
-12
Capacitance C
15
10
10-13
5
10
-14
0
5
10
15
0
1.0
10 Reverse voltage V R (V)
40
Reverse voltage V R (V) Fig.1 Reverse current Vs. Reverse voltage
Fig.2 Capacitance Vs. Reverse voltage
1.2 f=470MHz 1.0
Series resistance r s (Ω) ) LF =∆(LogC)/∆(LogV R
0
0.8
-0.5
0.6
0.4
-1.0
0.2 0 10-1 -1.5 1.0
2
1.0 Reverse voltage V R (V)
10
10 Reverse voltage V R (V)
10
Fig.3 Series resistance Vs. Reverse voltage
Fig.4 Linearity factor Vs. Reverse voltage
3
HVC374B
Package Dimensions
Unit : mm
Cathode Mark 1
...
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