EHFFD1629 datasheet, PDF - EEWORLD Datasheet

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EHFFD1629: Description1.8GHz 1:1 Balun; File Size26KB，1 Pages; ManufacturerETC

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EHFFD1629 Overview

1.8GHz 1:1 Balun

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EHFFD1629

1.8GHz 1:1 Balun

[Dimensions]

Unit: mm

0.48 0.32

Dec. 6, ‘04

[Pin assignment]

No.

OUT1

OUT2

GND

(4)

0.44

1.6 +/- 0.1

(3)

0.72

0.44

[Equivalent circuit]

(1)

(2)

(1)IN

1.6 +/- 0.1

0.4

0.65 +/- 0.1

0.8

(2)OUT1

(4)GND

(3)OUT2

[Characteristics]

Ta=-30…+85degC

Item

Frequency range

Insertion loss

Amplitude balance

Phase balance

Impedance

Unbalance port VSWR

Remark

Spec.

1700-2000

Back to back

0.8 max

50/50

1.5 max

50/50

180+/-10

IN/OUT

50/50

2.5 max

DC bias must be 0V.

Condition

Unit

MHz

deg

ohm

(Note) This product does not include a DC-cutting device.

Application of a DC voltage betw een the Balance port and

the Unbalance port may cause product deterioration or breakage.

[Test circuit diagram]

NETWORK

ANALYZER

S-PARAMETER

TEST SET

Fig. 1

(3)

GND

Additional

Resistor

56 ohm

Fig. 2

GND

(5)

(1)

GND

Item

Insertion loss (IL)

Loss 1

Loss 2

Phase 1

Phase 2

Unbalance port VSWR

(2)

(4)

GND

Circuit Port A

Fig. 2

(4)

Fig. 1

(1)

Fig. 1

(1)

Fig. 1

(1)

Fig. 1

(1)

Fig. 1

(1)

Port B 50 ohm

Remark

(5)

for a device is (IL)/2.

(2)

(3)

Amplitude balance

(3)

(2)

= | Loss 1 - Loss 2 |

(2)

(3)

Phase balance

(3)

(2)

= | Phase 1 - Phase 2 |

(2)

(3)

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