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DH710xx Schematic ( PDF Datasheet ) - Temex Electronics

Teilenummer DH710xx
Beschreibung VARACTOR DIODE
Hersteller Temex Electronics
Logo Temex Electronics Logo 




Gesamt 9 Seiten
DH710xx Datasheet, Funktion
TUNING VARACTOR
TUNING VARACTOR
Selection guide
Selection Guide
SURFACE MOUNT SILICON ABRUPT TUNING VARACTOR
HIGH Q SILICON ABRUPT JUNCTION TUNING VARACTOR
- VBR = 30 V
- VBR = 45 V
SILICON HYPERABRUPT JUNCTION TUNING VARACTOR
MICROWAVE SILICON HYPERABRUPT JUNCTION TUNING VARACTOR
PAGE
1-32
1-34
1-35
1-36
1-39
A tuning varactor is a P-N diode that acts as a voltage controlled capacitor. These devices perform the
same function as the familiar, bulky, air dielectric stacked capacitors featured in traditional broadcast
band receivers.
SALES OFFICES: VISIT OUR WEB SITE AT
http://www.temex.net
1-31






DH710xx Datasheet, Funktion
TUNING VARACTOR
Plastic package, Surface Mount hyperabrupt tuning varactor
PLASTIC PACKAGE, SURFACE MOUNT HYPERABRUPT
TUNING VARACTOR
Description
This series of silicon tuning varactors consists of hyperabrupt epitaxial devices. They incorporate
a passivated mesa technology.This family is designed for a low cost medium to high volume market that
may be supplied in tape and reel for automated pick and place assembly on surface mount circuit boards.
Application
The DH76000 and DH77000 series hyperabrupt tuning varactor are offered in a large selection of
capacitance range. They provide the highest Q factor (low reverse series resistance). Typical
applications include low noise narrow and moderate frequency bandwidth applications (VCO mainly)
from HF to Microwave frequencies (up to 3 GHz). Other applications are voltage tuned filters, phase
shifters, delay lines...
20 Volt hyperabrupt junction varactors
Characteristics @ Ta=+25° C
Reverse breakdown voltage, Vb = 20 V min. @ 10 µA
Reverse Current, Ir = 200 nA @ 16 V
Test
conditions
Type
f = 1 MHz
Vr = 1 V
typ
Total capacitance (pF)
Ct
f = 1 MHz f=1 MHz
Vr = 4 V
Vr = 12 V
±20 %
typ.
DH76010
DH76015
DH76022
DH76033
DH76047
DH76068
DH76100
DH76150
2.5
3.6
5.2
8.0
11.0
16.0
23.0
35.0
1.2
1.7
2.4
3.5
4.9
7.0
10.0
15.0
0.6
0.8
1.1
1.6
2.2
3.1
4.5
6.6
Temperature ranges:
Operating junction (Tj) : -55° C to +125° C
Storage : -55° C to +150° C
f = 1 MHz
Vr = 20 V
typ.
Tuning
ratio
Ct1V/Ct12V Ct1V/Ct20V
f = 1 MHz f = 1 MHz
typ. typ.
0.5 4.1 4.9
0.7 4.4 5.4
0.9 4.7 5.8
1.3 4.9 6.1
1.7 5.0 6.4
2.4 5.1 6.5
3.5 5.2 6.7
5.1 5.2 6.8
12 Volt hyperabrupt junction varactors
Characteristics @ Ta=+25° C
Reverse breakdown voltage, Vb = 12 V min. @ 10 µA
Reverse Current, Ir = 200 nA @ 8 V
Test
conditions
Type
f = 1 MHz
Vr = 1 V
typ
Total capacitance (pF)
Ct
f = 1 MHz f=1 MHz
Vr = 2.5 V Vr = 4 V
±20 %
typ.
DH77033
DH77047
DH77068
DH77100
DH77150
6.0
8.5
12.0
18.0
27.0
3.5
4.9
7.0
10.0
15.0
1.9
2.7
3.8
5.5
8.1
Temperature ranges:
Operating junction (Tj) : -55° C to +125° C
Storage : -55° C to +150° C
Tuning
ratio
Ct1V/Ct2.5V Ct1V/Ct4V
f = 1 MHz f = 1 MHz
typ. typ.
1.7 3.1
1.7 3.2
1.7 3.2
1.7 3.2
1.8 3.3
1-36
SALES OFFICES: VISIT OUR WEB SITE AT
http://www.temex.net

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