Power Monitors
and Sensors
RF Switching
Products
Passive
Components
Integrated Microwave
Assemblies (IMAs)
Introduction
Fixed Attenuators
DC-18 GHz
Fixed Precision
Coaxial Attenuators
y
Extremely Low Frequency Sensitivity
y
Very Low VSWR
y
Designed to Meet Environmental
Requirements of MIL-A-3933E
y
Medium Power Rating
Specifications
Type N (M/F), DC to 3 GHz, 5 W
FREQUENCY
RANGE
(MHz)
ATTENUATION (dB)
MODEL
752-3
752-6
DC-3
752-10
752-20
752-30
NOMINAL
3
6
10
20
30
DEVIATION
±0.3
±0.3
±0.3
±0.3
±0.3
POWER INPUT
AVERAGE
(W max.)
5
5
5
5
5
PEAK
(kW max.)
0.3
0.3
0.3
0.3
0.3
VSWR
(max.)
1.20
1.20
1.20
1.20
1.20
WEIGHT (max.)
oz.
3.7
3.7
3.7
3.7
3.7
gr.
105
105
105
105
105
NOTE:
Temperature Coefficient: 0.0006 dB/dB/°C; Power Coefficient: 0.0005 dB/dB/W
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company
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Introduction
Integrated Microwave
Assemblies (IMAs)
Passive
Components
RF Switching
Products
Power Monitors
and Sensors
Fixed Attenuators
Specifications
Type N (M/F), DC to 18 GHz, 2 W
FREQUENCY
RANGE
(GHz)
ATTENUATION (dB)
MODEL
779-1
779-2
779-3
779-4
779-5
779-6
DC-18
779-7
779-8
779-9
779-10
779-20
779-30
779-40
779-50
NOMINAL
1*
2*
3
4*
5*
6
7*
8*
9*
10
20
30
40
50
DEVIATION
DC-12.4
±0.3
±0.3
±0.3
±0.3
±0.3
±0.3
±0.4
±0.4
±0.4
±0.3
±0.5
±0.8
±1.25
±1.25
12.4-18
±0.4
±0.4
±0.3
±0.4
±0.4
±0.3
±0.5
±0.5
±0.5
±0.5
±0.7
±1.0
±1.6
±1.6
POWER INPUT
AVERAGE
(W max.)
2
2
2
2
2
2
2
2
2
2
2
2
2
2
PEAK
(kW max.)
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
DC-6
1.15
1.15
1.15
1.15
1.15
1.15
1.15
1.15
1.15
1.15
1.15
1.15
1.15
1.15
VSWR (max.)
6-12.4
1.30
1.30
1.30
1.30
1.30
1.30
1.30
1.30
1.30
1.30
1.30
1.30
1.30
1.30
12.4-18
1.40
1.40
1.40
1.40
1.40
1.40
1.40
1.40
1.40
1.40
1.40
1.40
1.40
1.40
WEIGHT (max.)
oz.
2.9
2.9
2.9
2.9
2.9
2.9
2.9
2.9
2.9
2.9
2.9
2.9
2.9
2.9
gr.
82
82
82
82
82
82
82
82
82
82
82
82
82
82
* Non-standard attenuation values are available on a custom order basis. Minimum order quantity may apply. Consult factory for details
NOTES:
Temperature Coefficient: 0.0006 dB/dB/°C; Power Coefficient: 0.0005 dB/dB/W
From DC-3 GHz, maximum frequency deviation is ± 0.5 dB for the 30, 40 and 50 dB models
Type N (M/F), DC to 12.4 GHz, 2 W
FREQUENCY
RANGE
(GHz)
ATTENUATION (dB)
MODEL
777C-3
777C-6
DC-12.4
777C-10
777C-20
777C-30
NOMINAL
3
6
10
20
30
DEVIATION
DC-6
±0.3
±0.3
±0.3
±0.3
±0.5
6-12.4
±0.3
±0.3
±0.3
±0.3
±0.75
POWER INPUT
AVERAGE
(W max.)
2
2
2
2
2
PEAK
(kW max.)
0.2
0.2
0.2
0.2
0.2
VSWR (max.)
DC-6
1.15
1.15
1.15
1.15
1.15
6-12.4
1.20
1.20
1.20
1.20
1.25
WEIGHT (max.)
oz.
2.9
2.9
2.9
2.9
2.9
gr.
82
82
82
82
82
NOTE:
Temperature Coefficient: 0.0006 dB/dB/°C; Power Coefficient: 0.0005 dB/dB/W
42
microwave-east
an
company
www.nardamicrowave.com
E-MAIL:
nardaeast@L-3com.com
TEL:
+1 631 231-1700
Power Monitors
and Sensors
RF Switching
Products
Passive
Components
Integrated Microwave
Assemblies (IMAs)
Introduction
Fixed Attenuators
Specifications
Type N (M/F), DC to 12.4 GHz, 2 W
FREQUENCY
RANGE
(GHz)
ATTENUATION (dB)
MODEL
757C-3
757C-6
DC-12.4
757C-10
757C-20
757C-30
NOMINAL
3
6
10
20
30
DEVIATION
DC-6
±0.3
±0.3
±0.3
±0.3
±0.5
6-12.4
±0.3
±0.3
±0.5
±0.5
±1.0
POWER INPUT
AVERAGE
(W max.)
2
2
2
2
2
PEAK
(kW max.)
0.3
0.3
0.3
0.3
0.3
VSWR (max.)
DC-6
1.20
1.20
1.20
1.20
1.20
6-12.4
1.25
1.25
1.25
1.25
1.25
WEIGHT (max.)
oz.
2.9
2.9
2.9
2.9
2.9
gr.
82
82
82
82
82
Type N (M/F), DC to 6 GHz, 2 W
FREQUENCY
RANGE
(GHz)
ATTENUATION (dB)
MODEL
773-3
773-6
DC-6
773-10
773-20
773-30
773-40
NOMINAL
3
6
10
20
30
40
DEVIATION
DC-3
±0.3
±0.3
±0.3
±0.3
±0.3
±0.5
3-6
±0.5
±0.5
±0.5
±0.5
±0.5
±1.0
POWER INPUT
AVERAGE
(W max.)
2
2
2
2
2
2
PEAK
(kW max.)
0.3
0.3
0.3
0.3
0.3
0.3
DC-3
1.20
1.20
1.20
1.20
1.20
1.20
VSWR
(max.)
3-6
1.25
1.25
1.25
1.25
1.25
1.25
oz.
2.4
2.4
2.4
2.4
2.4
2.7
WEIGHT
(max.)
gr.
68
68
68
68
68
77
NOTE:
Temperature Coefficient: 0.0006 dB/dB/°C; Power Coefficient: 0.0005 dB/dB/W
Outline Drawings
20.8
.82 Dia.
MODELS 752
MODELS 757C, 773, 777C, 779
Dimensions in inches (mm in parentheses), unless otherwise specified.
www.nardamicrowave.com
E-MAIL:
nardaeast@L-3com.com
TEL:
+1 631 231-1700
microwave-east
an
company
43
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