Notes

A. Performance and quality attributes and conditions not expressly stated in this specification document are intended to be excluded and do not form a part of this specification document.

B. Electrical specifications and performance data contained in this specification document are based on Mini-Circuit’s applicable established test performance criteria and measurement instructions.

C. The parts covered by this specification document are subject to Mini-Circuits standard limited warranty and terms and conditions (collectively, “Standard Terms”); Purchasers of this part are entitled

to the rights and benefits contained therein. For a full statement of the Standard Terms and the exclusive rights and remedies thereunder, please visit Mini-Circuits’ website at www.minicircuits.com/MCLStore/terms.jsp

Typical Performance Data

Maximum Ratings

Operating Temperature

-55°C to 100°C

Storage Temperature

-55°C to 100°C

Control Current

30mA

ZMAS-1

ISOLATION

0

20

40

60

80

100

0

90

180

270

360

450

FREQUENCY (MHz)

IN-OUT

IN-CON

ZMAS-1

50

Ω

Bi-Phase

5 to 450 MHz

Attenuator/Switch

REV. B

M151107

ZMAS-1

WP/TD/CP/AM

151005

Coaxial

CASE STYLE: M21

Connectors

Model

SMA

ZMAS-1

BRACKET (OPTION "B")

BRACKET (OPTION "BR")

ZMAS-1

ATTENUATION

1

10

100

0.0001

0.001

0.01

0.1

1

10

100

CONTROL CURRENT (mA)

5 MHz

225 MHz

450 MHz

Features

• wideband, 5 to 450 MHz

• rugged shielded case

• excellent phase and amplitude unbalance

Applications

• bi-phase modulator

• electronic attenuator

Coaxial Connections

INPUT

3

OUTPUT

1

CONTROL

2

ZMAS-1

INSERTION LOSS

2.8

3.0

3.2

3.4

3.6

3.8

0

90

180

270

360

450

FREQUENCY (MHz)

suggested control port biasing configuration

Outline Drawing

Outline Dimensions (

)

A

B

C

D

E

F

GH

1.50

1.13

1.00

.50

.155 2.345

.138

.987

38.10 28.70 25.40 12.70

3.94 59.56

3.51 25.07

J

K

L

M

N

P

S

wt

2.50

.10

.31

.75

1.19

.66

.150 grams

63.50

2.54

7.87 19.05 30.23 16.76

3.81

40.0

inch

mm

L = low range [f

M = mid range [10 f

U = upper range [f

m = [ 2 f

Performance specifications apply for input power up to 10 dB below stated 1 dB compression.

FREQUENCY

(MHz)

INSERTION LOSS

(dB)

MAX. INPUT

PWR

(dBm)

IN-OUT

ISOLATION

(dB)

0 mA

BI-PHASE X

(

∆ AMP

(dB)

Phase (deg.)

deviation

from 180°

IN

CON

Mid-Band

m

Total

Range

1 dB

no

L

M

U

Total

Total

f

Typ. Max. Typ. Max. compr. damage Typ. Min. Typ. Min. Typ. Min.

m

Range

m

Range

5-450

DC-0.05

3.5

4

3.5

4.7

20

30

65

50

55

37

35

25

0.10

0.1

0.5

1.2

—

electrical schematic

Attenuator/Switch Electrical Specifications

Freq.

(MHz)

I. Loss

(dB)

at 20mA

±Control

∆∆AMP

(dB)

20mA

∆∆Phase

(deg.)

Isolation (dB)

(in-out) (in-con)

Input

R. Loss

(dB)

Control

Current

(mA)

Attenuation (dB) Phase ∆ ref at 15mA Ctrl

Input VSWR

5

MHz

225

MHz

450

MHz

5

MHz

225

MHz

450

MHz

5

MHz

225

MHz

450

MHz

—

X

σ

—

X

—

X

—

X

—

X

—

X

deg.

deg.

deg.

5.0

3.27 0.025

0.02

179.9

74

50

11.8

0.0000 68.1 50.0 41.3

-52.4

124.7

108.2

2.9

2.9

2.6

9.5

2.93 0.019

0.02

179.9

68

44

13.4

0.0001 62.8 49.6 41.6

-9.9

119.7

103.2

2.9

2.9

2.6

19.5

2.92 0.017

0.02

179.9

62

38

14.3

0.0002 56.7 49.9 41.3

-18.0

114.6

102.4

2.9

2.9

2.6

35.0

2.97 0.017

0.02

179.9

59

33

14.5

0.0006 51.7 50.5 41.3

-20.7

101.4

95.5

2.9

2.9

2.6

39.5

2.98 0.017

0.03

179.9

59

32

14.5

0.0032 46.6 47.3 40.4

-10.7

58.4

76.3

2.9

2.9

2.6

49.5

3.00 0.017

0.03

179.9

57

30

14.4

0.0058 43.8 44.3 39.0

-6.4

45.6

60.3

2.9

2.9

2.6

74.0

3.00 0.019

0.04

179.8

55

27

14.1

0.0116 39.8 39.6 36.0

-0.4

29.9

43.3

2.8

2.9

2.6

75.1

3.00 0.018

0.03

179.8

55

26

14.1

0.0184 36.6 36.1 33.2

3.3

24.8

33.3

2.8

2.8

2.5

107.4

3.10 0.019

0.04

179.7

53

23

14.3

0.0327 32.6 31.6 29.1

5.9

18.3

23.7

2.8

2.7

2.4

141.8

3.18 0.019

0.04

179.7

51

21

14.6

0.0486 29.5 28.4 26.2

6.9

15.6

19.4

2.7

2.7

2.4

176.3

3.24 0.021

0.04

179.6

49

19

14.5

0.0787 25.9 24.6 22.6

7.6

13.3

14.8

2.6

2.5

2.2

210.8

3.28 0.021

0.04

179.5

48

18

14.6

0.1081 23.5 22.2 20.3

7.9

12.2

12.8

2.5

2.4

2.1

225.3

3.29 0.023

0.04

179.5

48

18

14.7

0.1975 19.1 17.8 16.1

7.8

10.0

9.7

2.2

2.2

1.9

244.2

3.30 0.024

0.04

179.4

47

17

14.8

0.3085 16.0 14.8 13.3

7.4

8.7

7.9

2.0

1.9

1.7

278.7

3.29 0.024

0.04

179.3

46

16

15.1

0.5100 12.9 11.7 10.6

6.5

7.3

6.0

1.7

1.7

1.4

313.2

3.30 0.026

0.05

179.2

46

16

15.1

0.8548 10.1

9.2

8.4

5.3

5.5

4.4

1.5

1.4

1.2

347.7

3.33 0.029

0.05

179.1

45

16

14.8

1.7555

7.2

6.0

6.1

3.3

3.4

2.5

1.3

1.2

1.1

381.0

3.40 0.034

0.05

179.1

44

15

15.0

2.6670

5.4

5.1

4.9

2.0

2.0

1.3

1.3

1.2

1.2

415.5

3.50 0.041

0.06

179.0

43

15

14.7

8.1232

4.0

4.0

4.0

0.5

0.5

0.4

1.5

1.4

1.4

450.0

3.58 0.044

0.06

178.9

43

15

13.7

15.1218

3.5

3.6

3.6

0.0

-0.1

0.0

1.6

1.5

1.4

Permanent damage may occur if any of these limits are exceeded.