◆Microwave
attenuator series
Features of the products:
◆High
stability
◆Good
repeatability
◆Wide
dynamic range for attenuation
◆Good
linearity
◆Low
requirement to the control source
◆Small
insertion loss
◆Operating
temperature range: -55½+85 .
Brief introduction of the products:
The microwave switch and modulator serial products developed and manufactured by Hengwei Microwave
Electronic Co Ltd. adopt advanced micro-electronic packaging technology.
This serial products mainly include the following two categories: high speed numerically controlled attenuators
and high power numerically controlled attenuators.
Application of the products:
This serial products are ideal devices for magnitude control of microwave signals in the microwave systems.
Microwave high-speed numerically controlled attenuators
Standing
Attenuation Attenuation Insertion
Frequency Attenuation Attenuation Control
wave
accuracy
flatness
loss
Outline
(GHz) range (dB) step (dB)
digit
ratio
(dB)
(dB)
(dB)
(dB)
Model
HW-AT-PX-0.5-6
HW-AT-PX-1-6
HW-AT-A-10-2
HW-AT-A-10-3
HW-AT-A-3-4
HW-AT-A-1-6
HW-AT-PS-1-5
HW-AT-PS-2-5
HW-AT-B-10-2
HW-AT-B-3-4
HW-AT-B-1-6
HW-AT-M-10-3
HW-AT-SC-0.5-6
HW-AT-SC-1-6
HW-AT-M-40-1
HW-AT-M-10-2
HW-AT-M-3-4
HW-AT-M-1-5
HW-AT-M-1-6
0.4½10
0.4½10
0.5½2
0.5½2
0.5½2
0.5½2
0.7½3.7
0.7½3.7
2½6
2½6
2½6
2½18
2.4½8
2.4½8
6½18
6½18
6½18
6½18
6½18
31.5
63
30
30
45
63
31
62
30
45
63
30
31.5
63
40
30
45
31
63
0.5
1
10
10
3
1
1
2
10
3
1
10
0.5
1
40
10
3
1
1
6
6
2
3
4
6
5
5
2
4
6
3
6
6
1
2
4
5
6
± 0.7
± 1.5
± 0.7
± 0.7
±1
±1
± 0.5
±1
± 0.7
±1
± 1.5
± 1.5
± 0.5
±1
± 1.5
± 1.5
± 1.5
± 1.5
±2
± 0.7
± 1.5
± 0.7
± 0.7
±1
±1
± 0.5
±1
± 0.7
±1
± 1.5
± 1.5
± 0.5
±1
± 1.5
± 1.5
± 1.5
± 1.5
±2
5
0±2
2
2
3
4
4
0±1
2
4
5
5
4.5
0±1
4
5
7
8
10
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
HW-AT-5
HW-AT-6
HW-AT-2
HW-AT-3
HW-AT-4
HW-AT-6
HW-AT-5
HW-AT-6
HW-AT-2
HW-AT-4
HW-AT-6
HW-AT-3
HW-AT-5
HW-AT-6
HW-AT-1
HW-AT-2
HW-AT-4
HW-AT-5
HW-AT-6
Type selection guide: Hengwei Microwave Electronic Co. Ltd. undertakes customization of different
kinds of microwave high-speed numerically controlled attenuators.
Operating temperature: -55½+85 .
Operating voltage: typical ±5V.
Design can be done according to special requirement of the user;
Frequency range: can cover 1 MHz½20 GHz.
Switching time: typical value, 70 ns.
Controlling characteristics: TTL control, on/off mode is determined by the user.
The maximum attenuation range can be up to 128 dB.
The outline and packaging form can be produced according to the requirement of the user.
Microwave high power numerically controlled attenuators
Frequency
(GHz)
Max.
attenuation
(dB)
Attenuation
Step
(dB)
Control
digit
Attenuation
accuracy
(dB)
Attenuation
Flatness
(dB)
Insertion
loss (dB)
Standing
wave ratio
Model
HW-PAT-R-3-2
HW-PAT-R-4-2
HW-PAT-R-3-3
HW-PAT-R-4-3
0.5½2
0.5½2
0.5½2
0.5½2
9
12
21
28
3
4
3
4
2
2
3
3
± 0.6
± 0.6
±1
±1
± 0.6
± 0.6
±1
±1
0.8
0.8
1.0
1.0
1.3
1.3
1.3
1.3
Type selection guide: Hengwei Microwave Electronic Co. Ltd. undertakes customization of different
kinds of Microwave high power numerically controlled attenuators.
Operating temperature: -55½+85 .
Operating voltage: typical:+5V and -30V.
Design can be done according to special requirement of the user;
Frequency range: can cover 500 MHz½4 GHz.
Switching time: 1½2µs.
Controlling characteristics: TTL control, on/off mode is determined by the user.
Peak power can be up to more than 3000 W, and the average power is up to more than 30 W.
The outline and packaging form can be produced according to the requirement of the user.
ARM Technology
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