Coaxial
Attenuator/Switch
50Ω Bi-Phase 1 to 200 MHz
ZMAS-3
Maximum Ratings
Operating Temperature
Storage Temperature
Control Current
Features
• wideband, 1 to 200 MHz
• rugged shielded case
-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
Permanent damage may occur if any of these limits are exceeded.
Connectors Model
SMA ZMAS-3
Price
Qty.
(1-9)
(1+)
(1+)
$67.95
$5.00
$1.50
BRACKET (OPTION "B")
BRACKET (OPTION "BR")
Coaxial Connections
INPUT
Applications
3
1
2
• bi-phase modulator
• electronic attenuator
OUTPUT
CONTROL
Attenuator/Switch Electrical Specifications
—
FREQUENCY
(MHz)
INSERTION LOSS
(dB)
MAX. INPUT
PWR
IN-OUT
ISOLATION
(dB)
BI-PHASE X
(±20 mA) Typ.
Outline Drawing
±20 mA
(dBm)
∆ AMP
(dB)
Phase (deg.)
deviation
±20mA
0 mA
from 180°
Mid-Band
Total
Range
IN
CON
1 dB
no
L
M
U
Total
Total
m
fL-fU
Typ. Max. Typ. Max. compr. damage Typ. Min. Typ. Min. Typ. Min.
1.4 1.6 2.5 15 30 65 50 50 40 50 35
M = mid range [10 fL to fU/2] U = upper range [fU/2 to fU] m = [ 2 fL to fU/2]
m
Range
m
Range
1-200
DC-0.05
2
0.10
0.1
0.5
1.0
L = low range [fL to 10 fL]
Performance specifications apply for input power up to 10 dB below stated 1 dB compression.
suggested control port biasing configuration
electrical schematic
Typical Performance Data
inch
Outline Dimensions (
)
mm
Freq.
(MHz)
I. Loss
(dB)
at 20mA
±Control 20mA
Isolation (dB)
Input
Control
Attenuation (dB) Phase ∆ ref at 15mA Ctrl
Input VSWR
100 200
MHz MHz MHz
A
1.50
B
C
D
E
F
G
.138
3.51 25.07
H
.987
∆∆AMP ∆∆Phase (in-out) (in-con) R. Loss Current
1
100
200
MHz
1
MHz
100
MHz
200
MHz
1
1.13
1.00
.50
.155 2.345
3.94 59.56
(dB)
(deg.)
(dB)
(mA)
MHz
MHz
38.10 28.70 25.40 12.70
—
X
—
X
—
X
—
X
—
X
—
X
deg.
deg.
deg.
σ
J
2.50
63.50
K
.10
2.54
L
.31
M
.75
N
1.19
P
.66
S
wt
.150 grams
3.81 40.0
7.87 19.05 30.23 16.76
1.0
2.0
5.0
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
0.01
0.01
0.01
0.01
0.01
0.01
0.02
0.02
0.02
0.02
0.02
0.02
0.02
0.02
0.02
0.02
0.02
0.02
0.03
180.0
180.0
180.0
180.0
179.9
179.9
179.9
179.8
179.8
179.8
179.7
179.6
179.6
179.6
179.5
179.5
179.4
179.5
179.5
179.6
78
75
69
65
63
62
61
59
59
58
57
56
55
55
54
53
52
51
51
50
52
45
38
32
28
24
22
19
19
17
15
14
13
13
12
12
11
11
11
11
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 50.3 47.8 41.7
0.0004 47.0 47.3 41.2
0.0013 43.6 45.7 40.5
0.0032 40.7 43.3 39.0
0.0085 34.7 38.0 35.6
0.0162 33.0 33.5 32.0
0.0336 28.2 27.9 27.0
0.0567 24.5 23.9 23.1
0.0807 22.0 21.2 20.5
0.1215 19.1 18.2 17.5
0.1860 16.1 15.2 14.6
0.2459 14.2 13.3 12.8
0.3285 12.5 11.5 11.1
0.4365 10.8 9.9 9.6
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 13.6 11.6 8.1
65.4 13.5 11.6 8.1
58.2 13.3 11.5 8.0
46.4 12.9 11.3 7.9
29.7 12.5 10.9 7.7
19.1 11.7 10.3 7.4
10.3 10.5 9.2 6.8
6.0 9.3 8.1 6.1
4.3 8.3 7.3 5.6
2.9 7.1 6.2 4.9
1.8 5.8 5.1 4.2
1.4 5.0 4.5 3.7
1.1 4.3 3.8 3.2
0.9 3.6 3.3 2.8
0.7 3.1 2.8 2.5
0.3 2.0 1.9 1.7
0.3 1.6 1.6 1.5
0.1 1.3 1.3 1.3
0.0 1.2 1.2 1.2
0.0 1.1 1.1 1.1
10.0
16.4
24.9
31.8
46.8
49.8
62.2
77.6
93.0
100.0
108.0
123.4
138.8
154.2
169.2
184.6
200.0
0.5714
1.3114
2.0989
3.7220
7.0357
15.1415
9.3 8.5 8.2
5.6 5.2 5.1
4.2 3.9 3.9
2.9 2.8 2.9
2.0 2.0 2.2
1.4 1.5 1.8
0.0
ZMAS-3
ATTENUATION
ZMAS-3
ISOLATION
ZMAS-3
INSERTION LOSS
60
50
40
30
20
10
0
100
80
60
40
20
2.5
2.0
1.5
1.0
0.5
0.0
1 MHz
100 MHz
200 MHz
IN-OUT
IN-CON
0
0
0
40
80
120
160
200
40
80
120
160
200
0.0001
0.001
0.01
0.1
1
10
100
FREQUENCY (MHz)
FREQUENCY (MHz)
CONTROL CURRENT (mA)
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
REV. OR
M96904
ZMAS-3
WP/TD/CP
120619
®
Mini-Circuits
www.minicircuits.com P.O. Box 35166, Brooklyn, NY 11235-0003 (718) 934-4500 sales@minicircuits.com
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