Sampling Phase Detectors

SPD1101-111, SPD1102-111, SPD1103-111

2

Alpha Industries, Inc. [781] 935-5150

• Fax [978] 241-7906 • Email sales@alphaind.com • www.alphaind.com

Specifications subject to change without notice. 9/01A

Typical Performance

04

26

8

10

20 22

12 14 16 18

VCO Frequency (GHz)

SPD1101-111

0

200

400

600

800

1000

Ref. Frequency: 100 MHz

Ref Input Power: 17 dBm

VCO Power: 0 dBm

Suggested Circuit

REFERENCE

FREQUENCY

INPUT

10–500 MHz

47 pF

47 pF

INPUT

TRANSFORMER

22 pF

39 pF

RFC

SRD

IF

OUTPUT

VCO

INPUT

100

Ω

100

Ω

100

Ω

10 k

Ω

10 k

Ω

-111 Package Outline

0.110 (2.794 mm)

1

2

3

4

A1

5

0.090 (2.286 mm)

0.015

(0.381 mm)

0.073 (1.854 mm)

0.053 (1.346 mm)

0.017 (0.432 mm)

0.000

0.002 (0.051 mm)

0.088 (2.235 mm)

0.040

(1.016 mm)

EPOXY

CERAMIC

Schematic Diagram

35

1

2

SCHEMATIC

SRD

4

Input transformer: 10:1 step down impedance ratio.