Coaxial
Attenuator/Switch
ZMAS-3
50Ω Bi-Phase
1 to 200 MHz
MaximumRatings
Features
• wideband, 1 to 200 MHz
• rugged, shielded case
OperatingTemperature
StorageTemperature
ControlCurrent
-55°C to 100°C
-55°C to 100°C
30mA
• excellent phase and amplitude unbalance
• low insertion loss, 1.6 dB typ.
CASE STYLE: M21
Connectors
SMA
BRACKET (OPTION“B”)
BRACKET (OPTION“BR”)
Model
ZMAS-3
Price
Qty.
(1-9)
(1+)
(1+)
Applications
$67.95
$5.00
$1.50
• bi-phase modulator
• electronicattenuator
CoaxialConnections
INPUT
3
1
2
OUTPUT
Attenuator/Switch ElectricalSpecifications
CONTROL
FREQUENCY
(MHz)
INSERTIONLOSS
(dB)
MAX.INPUTPWR
(dBm)
IN-OUT
ISOLATION
(dB)
BI-PHASE X
(±20mA)Typ.
±20mA
±20mA
Phase(deg)
deviation
from180°
Total
∆ AMP
(dB)
0 mA
IN
Mid-Band
m
Typ. Max.
Total
Range
Typ. Max.
CON
1dB
compr.
no
damage
L
Total
M
U
fL-fU
1-200
Typ. Min.
Range
m
Typ. Min. Typ. Min.
m
Range
DC-0.05
1.4
2
1.6 2.5
15
30
65 50
50 40 50 35
0.10
0.1
0.5
1.0
L = low range [fL to 10 fL]
M = mid range [10 fL to fU/2]
U = upper range [fU/2 to fU]
m= mid band [2fL to fU/2]
Performance specifications apply for input power up to 10 dB below stated 1dB compression.
suggestedcontrolportbiasingconfiguration
OutlineDrawing
TypicalPerformanceData
Freq.
(MHz)
I. Loss ±Control 20mA
Isolation (dB)
Input
R. Loss
Control
Current
(mA)
Attenuation(dB) Phase∆ ref at 15mA Ctrl
100 200
Input VSWR
100 200
MHz MHz MHz
1
1
(dB)
at 20mA
∆
Amp ∆Phase (in-out) (in-con)
1
100
200
MHz MHz MHz
deg. deg. deg.
(dB)
(deg.)
(dB)
MHz MHz MHz
_
x
_
_
_
_
x
_
σ
x
x
x
x
1.0
2.0
5.0
10.0
16.4
24.9
31.8
46.8
49.8
1.28 0.002
1.14 0.002
1.08 0.002
1.09 0.002
1.12 0.002
1.16 0.002
1.18 0.002
1.23 0.001
1.24 0.001
1.26 0.002
1.30 0.001
1.32 0.001
1.34 0.001
1.35 0.001
1.39 0.001
1.46 0.001
1.54 0.001
1.62 0.001
1.73 0.001
1.84 0.002
0.01 180.0
0.01 180.0
0.01 180.0
0.01 180.0
0.01 179.9
0.01 179.9
0.01 179.9
0.02 179.8
0.02 179.8
0.02 179.8
0.02 179.7
0.02 179.6
0.02 179.6
0.02 179.6
0.02 179.5
0.02 179.5
0.02 179.4
0.02 179.5
0.02 179.5
0.03 179.6
7 8
7 5
6 9
6 5
6 3
6 2
6 1
5 9
5 9
5 8
5 7
5 6
5 5
5 5
5 4
5 3
5 2
5 1
5 1
5 0
5 2
4 5
3 8
3 2
2 8
2 4
2 2
1 9
1 9
1 7
1 5
1 4
1 3
1 3
1 2
1 2
1 1
1 1
1 1
1 1
23.5
28.1
35.4
43.0
42.7
37.5
35.2
31.6
31.0
28.7
26.4
24.4
23.5
22.6
21.0
19.5
18.2
17.0
15.9
14.8
0.0000
0.0004
0.0013
0.0032
0.0085
0.0162
0.0336
0.0567
0.0807
0.1215
0.1860
0.2459
0.3285
0.4365
0.5714
1.3114
2.0989
3.7220
7.0357
15.1415
50.3
47.0
43.6
40.7
34.7
33.0
28.2
24.5
22.0
19.1
16.1
14.2
12.5
10.8
9.3
47.8 41.7
47.3 41.2
45.7 40.5
43.3 39.0
38.0 35.6
33.5 32.0
27.9 27.0
23.9 23.1
21.2 20.5
18.2 17.5
15.2 14.6
13.3 12.8
11.5 11.1
26.3
19.0
10.3
5.7
6.3
6.6
7.2
7.5
7.7
7.5
7.1
6.5
6.3
5.7
5.1
3.3
2.3
1.3
0.5
0.0
69.1
65.6
50.0
36.8
20.9
12.3
7.0
4.7
3.9
3.0
2.4
2.1
1.8
1.6
1.4
0.8
0.6
0.3
0.2
69.7
65.4
58.2
46.4
29.7
19.1
10.3
6.0
4.3
2.9
1.8
1.4
1.1
0.9
0.7
0.3
0.3
0.1
0.0
0.0
13.6
13.5
13.3
12.9
12.5
11.7
10.5
9.3
8.3
7.1
5.8
5.0
4.3
3.6
3.1
2.0
1.6
1.3
1.2
1.1
11.6
11.6
11.5
11.3
10.9
10.3
9.2
8.1
7.3
6.2
5.1
4.5
3.8
3.3
2.8
1.9
1.6
1.3
1.2
8.1
8.1
8.0
7.9
7.7
7.4
6.8
6.1
5.6
4.9
4.2
3.7
3.2
2.8
2.5
1.7
1.5
1.3
1.2
1.1
62.2
77.6
93.0
inch
Outline Dimensions (
)
G
mm
A
B
C
D
E
F
H
100.0
108.0
123.4
138.8
154.2
169.2
184.6
200.0
1.50
1.13
1.00
.50
.155 2.345
.138
.987
9.9
8.5
5.2
3.9
2.8
2.0
1.5
9.6
8.2
5.1
3.9
2.9
2.2
1.8
38.10 28.70 25.40 12.70
3.94 59.56
3.51 25.07
5.6
4.2
2.9
2.0
J
2.50
K
.10
L
.31
M
.75
N
1.19
P
.66
S
wt
.150 grams
63.50
2.54
7.87 19.05 30.23 16.76
3.81
40.0
1.4
0.0
1.1
ZMAS-3
ZMAS-3
ZMAS-3
INSERTION LOSS
ISOLATION
ATTENUATION
100
80
60
40
20
0
60
2.5
1 MHz
100 MHz
200 MHz
IN-OUT
IN-CON
50
40
30
20
10
0
2.0
1.5
1.0
0.5
0.0
0
40
80
120
160
200
0
40
80
120
160
200
0.0001 0.001
0.01
0.1
1
10
100
FREQUENCY (MHz)
FREQUENCY (MHz)
CONTROL CURRENT (mA)
®
INTERNET http://www.minicircuits.com
P.O. Box 350166, Brooklyn, New York 11235-0003 (718) 934-4500 Fax (718) 332-4661
REV. OR
M96904
ZMAS-3
WP/TD/CP
060116
Mini-Circuits
Distribution Centers NORTH AMERICA 800-654-7949 • 417-335-5935 • Fax 417-335-5945 • EUROPE 44-1252-832600 • Fax 44-1252-837010
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