Introduction
Integrated Microwave
Assemblies (IMAs)
Passive
Components
RF Switching
Products
Power Monitors
and Sensors
Fixed Attenuators
DC-18 GHz
Type N High Power
Bi-Directional Fixed
Coaxial Attenuators
y
High Power
y
3, 6, 10, 20 and 30 dB at 150 W
y
10, 20, 30, 40, 50 and 60 dB at 100 W
Specifications
Type N (M/F), DC to 6 GHz, 150 W
FREQUENCY
RANGE
(GHz)
ATTENUATION (dB)
MODEL
769A-3
769A-6
DC-6
769A-10
769A-20
769A-30
NOMINAL
DC-2
3
6
10
20
30
±0.4
±0.4
±0.4
±0.5
±0.5
DEVIATION
2-6
±0.75
±0.75
±0.75
±1.00
±1.00
POWER INPUT
AVERAGE*
(W max.)
150
150
150
150
150
PEAK
(kW max.)
3
3
3
3
3
VSWR
(max.)
1.35
1.35
1.35
1.35
1.35
WEIGHT
(max.)
lbs.
3.3
3.3
3.3
3.3
3.3
kg.
1.5
1.5
1.5
1.5
1.5
* Power ratings for horizontal operation at +25°C derate linearly to 5 W at +125°C
NOTE:
Temperature Coefficient: 0.0006 dB/dB/°C; Power Coefficient: 0.0005 dB/dB/W
Type N (M/F), DC to 18 GHz, 100 W
FREQUENCY
RANGE
(GHz)
ATTENUATION (dB)
MODEL
770-10
770-20
DC - 18
770-30
770-40
770-50
770-60
NOMINAL
10
20
30
40
50
60
DEVIATION
±1.2
±1.4
±1.4
±2.5
±3.0
±3.5
POWER INPUT
AVERAGE*
(W max.)
100
100
100
100
100
100
PEAK
(kW max.)
1
1
1
1
1
1
DC - 8
1.25
1.25
1.25
1.25
1.25
1.25
VSWR (max.)
8 - 12.4
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
WEIGHT (max.)
lbs.
3.0
3.0
3.0
1.75
1.75
1.75
kg.
1.36
1.36
1.36
0.7
0.7
0.7
* Power ratings for horizontal operation at +25°C derate linearly to 10 W at +125°C
NOTE:
Temperature Coefficient: 0.0006 dB/dB/°C; Power Coefficient: 0.0005 dB/dB/W
54
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
Outline Drawings
150
5.34
.57
125
100
4.00
75
50
25
6.56
5
25
50
75
100
125
Model 769A Series
Derating Curve, 125°
C
- Horizontal Operation
769A Series
.91
(23.0)
.72
(18.2)
2.50
(63.5)
TYPE N FEMALE
6.15
(156.3)
100
90
TYPE N MALE
2.38
(60.5)
80
70
60
50
40
30
Model 770 -10, -20, -30
.90
(22.9)
.73
(18.6)
20
10
0
25
50
75
100
125
2.50
(63.5)
TYPE N
MALE
8.31
(211.1)
9.95
(252.6)
TYPE N
FEMALE
Derating Curve, Horizontal Operation
770 Series
Model 770 -40, -50, -60
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
55
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