Silicon Schottky Diode Chips

2

Alpha Industries, Inc. [781] 935-5150

• Fax [617] 824-4579 • Email sales@alphaind.com • www.alphaind.com

Specifications subject to change without notice. 8/01A

SPICE Model Parameters

Parameter

CDB7619

CDB7620

CDF7621

CDF7623

CDC7630

CDC7631

Units

IS

3.70E-08

5.40E-08

4.0E-08

1.1E-07

5.0E-06

3.8E-06

A

9

14

12

6

20

51

Ω

N

1.05

1.12

1.05

1.04

1.05

1.05

TT

1E-11

1E-11

1E-11

1E-11

1E-11

1E-11

S

0.08

0.15

0.10

0.22

0.14

0.08

pF

M

0.35

0.35

0.35

0.32

0.40

0.4

0.69

0.69

0.69

0.69

0.69

0.69

eV

XTI

2.0

2.0

2.0

2.0

2.0

2.0

0.5

0.5

0.5

0.5

0.5

0.5

2.0

4.0

3.0

2.0

2.0

2.0

V

1.00E-05

1.00E-05

1.0E-05

1.0E-05

1.0E-04

1.0E-04

A

0.495

0.495

0.495

0.495

0.340

0.340

V

0.1

1

10

100

1000

10000

-40

-30

-20

-10

0

10

Input Power (dBm)

25

Ω

50

Ω

100

Ω

200

Ω

500

Ω

Typical Performance Data

100

1000

10000

100000

1

10

100

Forward Bias (

µA)

ZBD

Low Barrier

RF SOURCE

IMPEDANCE

DETECTOR

VOLTAGE

VIDEO LOAD

IMPEDANCE

RFC

Zero Biased Detector

RF SOURCE

IMPEDANCE

DETECTOR

VOLTAGE

VIDEO LOAD

IMPEDANCE

RFC

Biased Detector

0.001

0.01

0.1

1

10

100

1000

10000

0.001

0.01

0.1

1

10

Forward Current (mA)

-30 dBm

-20 dBm

-10dBm

0 dBm

+10 dBm

Figure 1. Detected Voltage vs. Input

Power and RF Source Impedance

Figure 3. Detected Voltage vs. Forward Current

Figure 2. Video Resistance vs. Forward Bias Current