50
Bi-Phase
1 to 200 MHz
Attenuator/Switch
Coaxial
ZMAS-3
ZMAS-3
INSERTION LOSS
0.0
0.5
1.0
1.5
2.0
2.5
0
40
80
120
160
200
FREQUENCY (MHz)
INS
E
RT
IO
N LO
S
S
(
d
B
)
ZMAS-3
ISOLATION
0
20
40
60
80
100
0
40
80
120
160
200
FREQUENCY (MHz)
IS
O
L
A
T
IO
N (
d
B
)
IN-OUT
IN-CON
ZMAS-3
ATTENUATION
0
10
20
30
40
50
60
0.0001
0.001
0.01
0.1
1
10
100
CONTROL CURRENT (mA)
A
TTE
NUA
TI
ON (d
B
)
1 MHz
100 MHz
200 MHz
Typical Performance Data
Freq.
(MHz)
Outline Dimensions ( )
inch
mm
Maximum Ratings
Coaxial Connections
Features
bi-phase modulator
electronic attenuator
INPUT
3
OUTPUT
1
CONTROL
2
wideband, 1 to 200 MHz
rugged, shielded case
excellent phase and amplitude unbalance
low insertion loss, 1.6 dB typ.
Applications
Operating Temperature
-55C to 100C
Storage Temperature
-55C to 100C
Control Current
30mA
Outline Drawing
Attenuator/Switch Electrical Specifications
1-200
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
INTERNET http://www.minicircuits.com
P.O. Box 350166, Brooklyn, New York 11235-0003 (718) 934-4500 Fax (718) 332-4661
Distribution Centers
NORTH AMERICA 800-654-7949 417-335-5935 Fax 417-335-5945 EUROPE 44-1252-832600 Fax 44-1252-837010
Mini-Circuits
Mini-Circuits ISO 9001 & ISO 14001 Certified
REV. OR
M96904
ZMAS-3
WP/TD/CP
060116
L = low range [f
L
to 10 f
L
]
M = mid range [10 f
L
to f
U
/2] U = upper range [f
U
/2 to f
U
] m= mid band [2f
L
to f
U
/2]
Performance specifications apply for input power up to 10 dB below stated 1dB compression.
FREQUENCY
(MHz)
IN-OUT
ISOLATION
(dB)
0 mA
INSERTION LOSS
(dB)
20 mA
AMP
(dB)
Phase(deg)
deviation
from 180
U
Typ. Min.
M
Typ. Min.
L
Typ. Min.
Mid-Band
m
f
L
-f
U
IN
CON
Typ. Max.
Total
Range
Typ. Max.
MAX. INPUT PWR
(dBm)
20 mA
1 dB
compr.
no
damage
Total
Range
m
Total
Range
m
BI-PHASE X
(20 mA) Typ.
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)
1
MHz
100
MHz
200
MHz
Phase
ref at 15mA Ctrl
Input VSWR
_
x
_
x
_
x
_
x
_
x
_
x
1
MHz
deg.
100
MHz
deg.
200
MHz
deg.
1
MHz
100
MHz
200
MHz
A
B
C
D
E
F
G
H
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
suggested control port biasing configuration
CASE STYLE: M21
Connectors
Model
Price
Qty.
SMA
ZMAS-3
$67.95
(1-9)
BRACKET (OPTION "B")
$5.00
(1+)
BRACKET (OPTION "BR")
$1.50
(1+)
1 . 0
1 . 2 8
0 . 0 0 2
0 . 0 1
1 8 0 . 0
7 8
5 2
2 3 . 5
0 . 0 0 0 0
5 0 . 3
4 7 . 8
4 1 . 7
2 6 . 3
6 9 . 1
6 9 . 7
1 3 . 6
1 1 . 6
8 . 1
2 . 0
1 . 1 4
0 . 0 0 2
0 . 0 1
1 8 0 . 0
7 5
4 5
2 8 . 1
0 . 0 0 0 4
4 7 . 0
4 7 . 3
4 1 . 2
1 9 . 0
6 5 . 6
6 5 . 4
1 3 . 5
1 1 . 6
8 . 1
5 . 0
1 . 0 8
0 . 0 0 2
0 . 0 1
1 8 0 . 0
6 9
3 8
3 5 . 4
0 . 0 0 1 3
4 3 . 6
4 5 . 7
4 0 . 5
1 0 . 3
5 0 . 0
5 8 . 2
1 3 . 3
1 1 . 5
8 . 0
1 0 . 0
1 . 0 9
0 . 0 0 2
0 . 0 1
1 8 0 . 0
6 5
3 2
4 3 . 0
0 . 0 0 3 2
4 0 . 7
4 3 . 3
3 9 . 0
5 . 7
3 6 . 8
4 6 . 4
1 2 . 9
1 1 . 3
7 . 9
1 6 . 4
1 . 1 2
0 . 0 0 2
0 . 0 1
1 7 9 . 9
6 3
2 8
4 2 . 7
0 . 0 0 8 5
3 4 . 7
3 8 . 0
3 5 . 6
6 . 3
2 0 . 9
2 9 . 7
1 2 . 5
1 0 . 9
7 . 7
2 4 . 9
1 . 1 6
0 . 0 0 2
0 . 0 1
1 7 9 . 9
6 2
2 4
3 7 . 5
0 . 0 1 6 2
3 3 . 0
3 3 . 5
3 2 . 0
6 . 6
1 2 . 3
1 9 . 1
1 1 . 7
1 0 . 3
7 . 4
3 1 . 8
1 . 1 8
0 . 0 0 2
0 . 0 1
1 7 9 . 9
6 1
2 2
3 5 . 2
0 . 0 3 3 6
2 8 . 2
2 7 . 9
2 7 . 0
7 . 2
7 . 0
1 0 . 3
1 0 . 5
9 . 2
6 . 8
46.8
1.23
0.001
0.02
179.8
5 9
1 9
31.6
0.0567
24.5
23.9
23.1
7 . 5
4 . 7
6 . 0
9 . 3
8 . 1
6 . 1
49.8
1.24
0.001
0.02
179.8
5 9
1 9
31.0
0.0807
22.0
21.2
20.5
7 . 7
3 . 9
4 . 3
8 . 3
7 . 3
5 . 6
62.2
1.26
0.002
0.02
179.8
5 8
1 7
28.7
0.1215
19.1
18.2
17.5
7 . 5
3 . 0
2 . 9
7 . 1
6 . 2
4 . 9
77.6
1.30
0.001
0.02
179.7
5 7
1 5
26.4
0.1860
16.1
15.2
14.6
7 . 1
2 . 4
1 . 8
5 . 8
5 . 1
4 . 2
93.0
1.32
0.001
0.02
179.6
5 6
1 4
24.4
0.2459
14.2
13.3
12.8
6 . 5
2 . 1
1 . 4
5 . 0
4 . 5
3 . 7
100.0
1.34
0.001
0.02
179.6
5 5
1 3
23.5
0.3285
12.5
11.5
11.1
6 . 3
1 . 8
1 . 1
4 . 3
3 . 8
3 . 2
108.0
1.35
0.001
0.02
179.6
5 5
1 3
22.6
0.4365
10.8
9 . 9
9 . 6
5 . 7
1 . 6
0 . 9
3 . 6
3 . 3
2 . 8
123.4
1.39
0.001
0.02
179.5
5 4
1 2
21.0
0.5714
9 . 3
8 . 5
8 . 2
5 . 1
1 . 4
0 . 7
3 . 1
2 . 8
2 . 5
138.8
1.46
0.001
0.02
179.5
5 3
1 2
19.5
1.3114
5 . 6
5 . 2
5 . 1
3 . 3
0 . 8
0 . 3
2 . 0
1 . 9
1 . 7
154.2
1.54
0.001
0.02
179.4
5 2
1 1
18.2
2.0989
4 . 2
3 . 9
3 . 9
2 . 3
0 . 6
0 . 3
1 . 6
1 . 6
1 . 5
169.2
1.62
0.001
0.02
179.5
5 1
1 1
17.0
3.7220
2 . 9
2 . 8
2 . 9
1 . 3
0 . 3
0 . 1
1 . 3
1 . 3
1 . 3
184.6
1.73
0.001
0.02
179.5
5 1
1 1
15.9
7.0357
2 . 0
2 . 0
2 . 2
0 . 5
0 . 2
0 . 0
1 . 2
1 . 2
1 . 2
200.0
1.84
0.002
0.03
179.6
5 0
1 1
14.8
15.1415
1 . 4
1 . 5
1 . 8
0 . 0
0 . 0
0 . 0
1 . 1
1 . 1
1 . 1
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