Tuning Varactors
Tuning Varactors:
MTV 4030 Series
30-Volt Abrupt Tuning Varactors
Description
The
MicroMetrics
MTV 4030 series
Tuning Varactors are silicon abrupt
junction devices. They offer the
highest Q and lowest resistance
available in 30 volt tuning diodes.
A unique silicon dioxide passivation
process assures greater stability,
reliability and low leakage currents
at higher temperatures.
Applications
The MTV 4030 series Tuning Varactors
are used for both narrow and wide
band tuning through X-band.
These devices are used in circuits
requiring a high Q voltage variable
capacitance such as: tunable filters
and amplifiers, voltage controlled
oscillators, frequency synthesizers
and continuous phase shifters. They
are also useful as frequency and
phase modulators in communications
applications.
Standard capacitance tolerance is
±10%. Diodes can be optimized for
custom electrical or mechanical
specifications upon request.
Features
• Low Series Resistance - High Q
• Extensive Selection of Capacitance
Values
Packaging
• Available in a Wide Range of Case
Styles as well as Chip Form
Typical Performance
100
γ
= .43
φ
=.70
VB=30V
40
30
20
JUNCTION CAPACITANCE (Cj)
(pF)
4.0
3.0
2.0
.40
.30
.20
.10
1.0 2.0
4.0 6.0
10
20
REVERSE BIAS SCALE INCLUDES WORK
FUNCTION FOR SILICON (φ = .7 VOLTS)
MTV 4030-18
MTV 4030-17
MTV 4030-16
MTV 4030-15
MTV 4030-13
MTV 4030-11
MTV 4030-10
MTV 4030-09
MTV 4030-08
MTV 4030-07
MTV 4030-06
MTV 4030-05
MTV 4030-04
MTV 4030-03
MTV 4030-02
40
60 100
REVERSE BIAS (Vr)
(V)
16
MicroMetrics, Inc.
136 Harvey Road, Building C, Londonderry, NH 03053
Voice: 603-641-3800, Fax: 603-641-3500, Internet: www.micrometrics.com, E-mail: serv@micrometrics.com
Electrical Characteristics
Total Capacitance, Ct
1
at -4V, 1 MHz
(pF)
0.4
0.6
0.8
1.0
1.2
1.4
1.6
1.8
2.2
2.7
3.3
3.6
3.9
4.7
5.6
6.8
8.2
10.0
12.0
15.0
18.0
22.0
27.0
33.0
39.0
47.0
Capacitance Ratio
Ct0/Ct30
MIN
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
Quality Factor, Q
2
at -4V, 50 MHz
MIN
5000
5000
4800
4800
4600
4400
4400
4200
4000
3800
3600
3400
3400
3200
3000
2800
2600
2400
2200
2000
1800
1600
1400
1400
1200
1000
Part
Number
MTV4030-01
MTV4030-02
MTV4030-03
MTV4030-04
MTV4030-05
MTV4030-06
MTV4030-07
MTV4030-08
MTV4030-09
MTV4030-10
MTV4030-11
MTV4030-12
MTV4030-13
MTV4030-14
MTV4030-15
MTV4030-16
MTV4030-17
MTV4030-18
MTV4030-19
MTV4030-20
MTV4030-21
MTV4030-22
MTV4030-23
MTV4030-24
MTV4030-25
MTV4030-26
Notes:
1. Capacitance tolerance is ± 10% except for ± 20% for suffix number 01, 02, and 03.
2. Q specified Vr = 4V, 50 MHz equivalent from 1 GHz or 100 MHz measurement.
Maximum Ratings
Parameter
Operating Temperature
Storage Temperature Range
Reverse Voltage
Device Dissipation at TA = 25°C
Symbol
Top
Tstg
Vr
Value
-55 to + 150
-65 to + 200
30
250
Units
°C
°C
Volts
mW
MicroMetrics, Inc.
136 Harvey Road, Building C, Londonderry, NH 03053
Voice: 603-641-3800, Fax: 603-641-3500, Internet: www.micrometrics.com, E-mail: serv@micrometrics.com
17
Tuning Varactors
Tuning Varactors:
MTV 4030 Series
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