Fixed Attenuator

18G Fixed Attenuator RF Component Supplier

Patented Product
China Patent No.: CN 2009 1 0006333
USA Patent No.: US 8,100,721 B2

Features:
● Frequency range from DC to 18GHz
● Attenuation from 1dB to 30dB
● Input power: 2W、5W、25W、80W、100W
● High attenuation accuracy
● Small VSWR
● Stainless steel or brass
● Ceramic chip
● Low cost-high performance
Applications:
● Communications
● Digital transmission
● Radar
● Broadcast television
● Tes

Suffix "M" refers to the miniature size type
Note: SMA/N/TNC/MCX/MMCX/QMA Connector Types Available
Specifications
DC to 6GHz,2 Watts and 5 Watts, SMA(S), N type(N), QMA(Q), MCX(M),
MMCX(C), BNC(B) type Coaxial Fixed Attenuator

DC to 18GHz,2 Watts and 5 Watts SMA(S) type Miniature Size Coaxial Fixed Attenuator
Model
 
FREQ. RANGE  
(GHz)
fL-fU
ATTENUATION
(dB)
ATTENUATION
ACCURACY   
(dB)
VSWR
(:1)
 
POWER
(Watt)
DC-6GHz
DC-12GHz
DC-18GHz
DC to 18GHz
Typical 
Typical 
Typical 
Max.
DC-18
1
±0.4 
1.15
1.25
1.30
1.35
2
2
±0.4 
1.15
1.25
1.30
1.35
3
±0.6 
1.15
1.25
1.30
1.35
4
±0.6 
1.15
1.25
1.30
1.35
5
±0.65 
1.15
1.25
1.30
1.35
6
±0.65 
1.15
1.25
1.30
1.35
7
±0.8 
1.15
1.25
1.30
1.35
8
±0.8 
1.15
1.25
1.30
1.35
9
±1.0 
1.15
1.25
1.30
1.35
10
±1.0 
1.15
1.25
1.30
1.35
15
±1.2 
1.15
1.25
1.30
1.35
20
±1.2 
1.15
1.25
1.30
1.35
30
±1.5 
1.15
1.25
1.30
1.35
40
±1.5 
1.15
1.25
1.30
1.35
DC-18
1
±0.5 
1.15
1.25
1.30
1.35
5
2
±0.5 
1.15
1.25
1.30
1.35
3
±0.6 
1.15
1.25
1.30
1.35
4
±0.8 
1.15
1.25
1.30
1.35
5
±0.8 
1.15
1.25
1.30
1.35
6
±0.8 
1.15
1.25
1.30
1.35
7
±0.8 
1.15
1.25
1.30
1.35
8
±0.8 
1.15
1.25
1.30
1.35
9
±1.0 
1.15
1.25
1.30
1.35
10
±1.0 
1.15
1.25
1.30
1.35
15
±1.2 
1.15
1.25
1.30
1.35
20
±1.2 
1.15
1.25
1.30
1.35
30
±1.5 
1.15
1.25
1.30
1.35
40
±1.5 
1.15
1.25
1.30
1.35


  DC-18GHz Outline Dimensions(unit: mm & inch)
   SMA
2W

               

   SMA 5W

              


DC to 18GHz,5 Watts N type Coaxial Fixed Attenuator
Model
 
FREQ. RANGE  
(GHz)
fL-fU
ATTENUATION
(dB)
ATTENUATION
ACCURACY   
(dB)
VSWR
(:1)
 
POWER
(Watt)
DC-6GHz
DC-12GHz
DC-18GHz
DC to 18GHz
Typical 
Typical 
Typical 
Max.
DC-18
1
±0.4 
1.15
1.25
1.30
1.35
2
2
±0.4 
1.15
1.25
1.30
1.35
3
±0.6 
1.15
1.25
1.30
1.35
4
±0.6 
1.15
1.25
1.30
1.35
5
±0.65 
1.15
1.25
1.30
1.35
6
±0.65 
1.15
1.25
1.30
1.35
7
±0.8 
1.15
1.25
1.30
1.35
8
±0.8 
1.15
1.25
1.30
1.35
9
±1.0 
1.15
1.25
1.30
1.35
10
±1.0 
1.15
1.25
1.30
1.35
15
±1.2 
1.15
1.25
1.30
1.35
20
±1.2 
1.15
1.25
1.30
1.35
30
±1.5 
1.15
1.25
1.30
1.35
40
±1.5 
1.15
1.25
1.30
1.35


  DC-18GHz Outline Dimensions(unit: mm & inch)
   SMA
2W

               






DC to 18GHz,2 Watts and 5 Watts, SMA(S) type Coaxial Fixed Attenuator
 
Model
 
FREQ. RANGE  
(GHz)
fL-fU
ATTENUATION
(dB)
ATTENUATION
ACCURACY   
(dB)
VSWR
(:1)
 
POWER
(Watt)
DC-6GHz
DC-12GHz
DC-18GHz
DC to 18GHz
Typical 
Typical 
Typical 
Max.
DC-18
3
±0.3 
1.20
1.25
1.35
1.40
2
6
±0.5 
1.20
1.25
1.35
1.40
10
±1.0
1.20
1.25
1.35
1.40
20
±1.2 
1.20
1.25
1.35
1.40
30
±1.5
1.20
1.25
1.35
1.40
40
±1.5
1.20
1.25
1.35
1.40
DC-18
3
±0.3 
1.20
1.25
1.35
1.40
5
6
±0.5 
1.20
1.25
1.35
1.40
10
±1.0
1.20
1.25
1.35
1.40
20
±1.2 
1.20
1.25
1.35
1.40
30
±1.5
1.20
1.25
1.35
1.40
40
±1.5
1.20
1.25
1.35
1.40
 
Model
 
FREQ. RANGE  
(GHz)
fL-fU
ATTENUATION
(dB)
ATTENUATION
ACCURACY   
(dB)
VSWR
(:1)
 
POWER
(Watt)
DC-6GHz
DC-12GHz
DC-15GHz
DC to 15GHz
Typical 
Typical 
Typical 
Max.
DC-15
3
±0.6
1.20
1.35
1.45
1.55
2
6
±0.65
1.20
1.35
1.45
1.55
10
±1.0
1.20
1.35
1.45
1.55
20
±1.2
1.20
1.35
1.45
1.55
30
±1.5
1.20
1.35
1.45
1.55
40
±1.5
1.20
1.35
1.45
1.55
DC-15
3
±0.6
1.20
1.35
1.45
1.55
5
6
±0.65
1.20
1.35
1.45
1.55
10
±1.0
1.20
1.35
1.45
1.55
20
±1.2
1.20
1.35
1.45
1.55
30
±1.5
1.20
1.35
1.45
1.55
40
±1.5
1.20
1.35
1.45
1.55

  DC-18GHz Outline Dimensions(unit: mm & inch)
   SMA


            
   N

                    



Return to Fixed Attenuator

Applications

18G Fixed Attenuator is widely used in RF communication links, radar sub-systems, GNSS modules, and industrial wireless control equipment.

Selection Guide

When selecting 18G Fixed Attenuator, verify frequency band, insertion loss, isolation or attenuation target, package type, and power handling against your design requirements.

FAQ

What is the typical use of 18G Fixed Attenuator?

It is used to control, split, combine, or sample RF signals in communication and microwave circuits.

How do I choose the right model?

Start from your operating frequency and electrical target, then confirm footprint and environmental conditions.

Who is the supplier and what is the brand?

Supplier: Baiao Technology | Brand: Yantel