Introduction
Integrated Microwave
Assemblies (IMAs)
Passive
Components
RF Switching
Products
Power Monitors
and Sensors
Fixed Attenuators
DC- 40 GHz
2.92 mm and SMA Miniature
Medium Power Attenuators
y
Small Size and Light Weight
y
Low VSWR
y
Designed to Meet Environmental
Requirements of MIL-A-3933E
Specifications
2.92 mm (M/F), DC to 40 GHz, 3 to 6 W
FREQUENCY
RANGE
(GHz)
ATTENUATION (dB)
MODEL
4777-3
DC-40
4777-6
4777-10
4777-20
NOMINAL
3
6
10
20
±0.5
±0.5
±0.5
±0.5
DEVIATION
DC-26.5
26.5-40
±0.8
±0.8
±0.8
±0.8
POWER INPUT
AVERAGE
(W max.)
6.0
4.0
3.3
3.0
PEAK
(kW max.)
0.2
0.2
0.2
0.2
VSWR
(max.)
1.4
1.4
1.4
1.4
WEIGHT
(max.)
oz.
0.53
0.53
0.53
0.53
gr.
15
15
15
15
SMA (M/F), DC to 18 GHz, 4.5 to 8 W
FREQUENCY
RANGE
(GHz)
ATTENUATION (dB)
MODEL
4776-3
4776-6
4776-10
DC-18
4776-20
4776-30
4776-40
4776-50
4776-60
NOMINAL
3
6
10
20
30
40
50
60
DEVIATION
±0.3
±0.3
±0.5
±0.7
±1.0
±1.5
±1.5
±1.5
POWER INPUT
AVERAGE
(W max.)
8.0
5.5
4.5
4.5
4.5
4.5
4.5
4.5
PEAK
(kW max.)
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
DC-4
1.15
1.15
1.15
1.15
1.15
1.15
1.15
1.15
VSWR (max.)
4-6
1.25
1.25
1.25
1.25
1.25
1.25
1.25
1.25
6-12.4
1.30
1.30
1.30
1.30
1.30
1.30
1.30
1.30
12.4-18
1.35
1.35
1.35
1.35
1.35
1.35
1.35
1.35
WEIGHT (max.)
oz.
0.9
0.9
0.9
0.9
0.9
0.9
0.9
0.9
gr.
25
25
25
25
25
25
25
25
NOTE:
Temperature Coefficient: 0.0006 dB/dB/°C; Power Coefficient: 0.0005 dB/dB/W
48
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
SMA (M/F), DC to 12.4 GHz, 4.5 to 8 W
FREQUENCY
RANGE
(GHz)
ATTENUATION (dB)
MODEL
4775-3
4775-6
DC-12.4
4775-10
4775-20
4775-30
NOMINAL
3
6
10
20
30
DEVIATION
±0.3
±0.3
±0.3
±0.5
±0.8
POWER INPUT
AVERAGE
(W max.)
8.0
5.5
4.5
4.5
4.5
PEAK
(kW max.)
0.2
0.2
0.2
0.2
0.2
VSWR (max.)
DC-6
1.25
1.25
1.25
1.25
1.25
6-12.4
1.30
1.30
1.30
1.30
1.30
WEIGHT (max.)
oz.
0.9
0.9
0.9
0.9
0.9
gr.
25
25
25
25
25
SMA (M/F), DC to 6 GHz, 4.5 to 8 W
FREQUENCY
RANGE
(GHz)
ATTENUATION (dB)
MODEL
4774-3
4774-6
DC-6
4774-10
4774-20
4774-30
NOMINAL
3
6
10
20
30
DEVIATION
±0.3
±0.3
±0.3
±0.3
±0.5
POWER INPUT
AVERAGE
(W max.)
8.0
5.5
4.5
4.5
4.5
PEAK
(kW max.)
0.2
0.2
0.2
0.2
0.2
VSWR (max.)
DC-4
1.25
1.25
1.25
1.25
1.25
4-6
1.40
1.40
1.40
1.40
1.40
WEIGHT (max.)
oz.
0.9
0.9
0.9
0.9
0.9
gr.
25
25
25
25
25
NOTE:
Temperature Coefficient: 0.0006 dB/dB/°C; Power Coefficient: 0.0005 dB/dB/W
Outline Drawings
MODEL
4776
4775
4774
ATTENUATOR
(dB)
3, 6, 10, 20
30, 40, 50, 60
3, 6, 10, 20
30
3, 6, 10, 20
30
DIMENSION
A
1.23
1.49
1.23
1.49
1.23
1.49
C
MODEL
4777-3
4777-6
4777-10
4777-20
A
1.02
(25.91)
B
1.00
(25.40)
C
0.29
(7.37)
2.9 mm Female
Connector
2.9 mm Male
Connector
B
A
Dimensions in inches, unless otherwise specified.
www.nardamicrowave.com
E-MAIL:
nardaeast@L-3com.com
TEL:
+1 631 231-1700
microwave-east
an
company
49
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