Digital Attenuators

1333 Digital Attenuators from 67 Manufacturers meet your specification.

Digital RF Attenuators from the leading manufacturers are listed on everything RF. Narrow down on products by frequency, attenuation range, number of bits and other parameters.

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  • Type: Digital
Description:63 dB Programmable Attenuator Assembly from 200 to 6000 MHz
Type:
Computer Controlled, Digital, Multi-Channel, Progr...
Channels:
24 Channels
Configuration:
Solid State
Frequency:
200 MHz to 6 GHz
Attenuation Range:
0 to 63 dB
Interface:
Ethernet, RS-232
Power:
0.50 to 2 W
Insertion Loss:
2.7 to 6.6 dB
Connector:
SMA, SMA - Female, N Type, N Type - Female
Impedance:
50 Ohms
Package Type:
Rackmount
more info
Description:63 dB Programmable Attenuator from 0.1 to 18 GHz
Type:
Programmable, Digital
Configuration:
Solid State
Frequency:
0.1 to 18 GHz
Attenuation Range:
0 to 63 dB
Interface:
UART, USB, SPI, I2C
Power:
0.63 W
Insertion Loss:
3.5 to 6 dB
Connector:
SMA, SMA - Female
Impedance:
50 Ohms
Package Type:
Module with Connectors
more info
Description:31 dB Digital Step Attenuator from 100 MHz to 50 GHz
Type:
Digital
Configuration:
Solid State
Frequency:
100 MHz to 50 GHz
Attenuation Range:
0 to 31.5 dB
Bits:
6 Bit
Interface:
Parallel
Insertion Loss:
3.5 to 9.25 dB
Connector:
2.4 mm, 2.4 mm - Female
Impedance:
50 Ohms
Package Type:
Module with Connectors
more info
Description:7-bit Programmable Attenuator from DC to 1.5 GHz
Type:
Programmable, Digital, Toggle
Configuration:
Electro Mechanical Relay
Frequency:
DC to 1.5 GHz
Attenuation Range:
0 to 127 dB
Bits:
7 Bit
Power:
1 W
Insertion Loss:
3.2 to 4 dB
Connector:
SMA, SMA - Female
Impedance:
50 Ohms
Step Size:
1 dB
Package Type:
Module with Connectors
more info
Description:12-Bit Programmable PIN Diode Attenuator from 2 to 18 GHz
Type:
Programmable, Digital
Configuration:
Solid State
Frequency:
2 to 18 GHz
Attenuation Range:
60 dB
Bits:
12 Bit
Power:
0.1 W (Operating), 1 W (Survival)
Insertion Loss:
4.8 dB
Connector:
SMA, SMA - Female
Impedance:
50 Ohms
Package Type:
Module with Connectors
more info
Description:6-bit Digital Attenuator from DC to 30 GHz
Type:
Digital
Configuration:
Solid State
Frequency:
DC to 30 GHz
Attenuation Range:
31.5 dB
Bits:
6 Bit
Insertion Loss:
4 dB
Impedance:
50 Ohms
Package Type:
Die
more info
Description:8x8 Bi-Directional Matrix Attenuator from 500 to 6000 MHz
Type:
Digital, Programmable, Multi-Channel
Channels:
64 Channels
Configuration:
Solid State
Frequency:
500 to 6000 MHz
Attenuation Range:
90 dB
Interface:
USB, Ethernet
Power:
2 W
Insertion Loss:
30 to 35.5 dB (Includes theoretical Loss of Power ...
Connector:
SMA, SMA - Female, N Type, N Type - Female
Impedance:
50 Ohms
Package Type:
Rackmount
more info
Description:8 Bit Relay Controlled Programmable Attenuator, 127 dB Up to 1.5 GHz, 1 dB Steps, +12V, SMA Female
Type:
Programmable, Digital
Channels:
1 Channel
Frequency:
DC to 1.5 GHz
Attenuation Range:
0 to 127 dB
Bits:
8 Bit
Power:
1 W
Insertion Loss:
3.2 to 4 dB
Connector:
SMA, SMA - Female
Impedance:
50 Ohms, 75 Ohms
Step Size:
1 dB
Package Type:
Module with Connectors
more info
Description:0.3 W Variable Attenuator from DC to 13 GHz
Type:
Digital
Channels:
1 Channel
Configuration:
Solid State
Frequency:
DC to 13 GHz
Attenuation Range:
30, 60 or 90
Interface:
USB
Power:
0.3 W
Insertion Loss:
4 to 18 dB
Connector:
SMA
Impedance:
50 Ohms
Step Size:
0.5 dB
Package Type:
Module with Connectors
more info
Description:USB Controlled Digital Attenuator from 0.1 to 6 GHz
Type:
Programmable, Digital, USB Controlled, Computer Co...
Channels:
1 Channel
Frequency:
0.1 to 6 GHz
Attenuation Range:
0 to 95 dB
Interface:
USB
Power:
0 to 199.5 mW
Connector:
SMA
Impedance:
50 Ohms
Package Type:
Module with Connectors
more info
Description:6-Bit Digital Step Attenuator from 9 kHz to 13 GHz
Type:
Digital
Frequency:
9 kHz to 13 GHz
Attenuation Range:
0 to 31 dB (5-Bits) / 0 to 31.5 dB (6-Bits)
Bits:
5 Bit, 6 Bit
Power:
0.63 W (CW), 1.25 W (Pulsed)
Insertion Loss:
1.6 to 3 dB
Impedance:
50 Ohms
Package Type:
Surface Mount
more info
Description:10 dB Bidirectional Digital Attenuator MMIC from DC to 30 GHz
Type:
Digital
Frequency:
DC to 30 GHz
Attenuation Range:
9.4 to 11.8 dB
Bits:
1 Bit
Power:
1 W (Max.)
Insertion Loss:
0.9 to 2 dB
Impedance:
50 Ohms
Step Size:
10 dB
Package Type:
Die
more info
Description:8-Bit 64 dB Digital Step Attenuator from 6 to 18 GHz
Type:
Computer Controlled, Digital, Programmable
Channels:
1 Channel
Frequency:
6 to 18 GHz
Attenuation Range:
64 dB
Bits:
8 Bit
Interface:
TTL/Serial/Parallel
Power:
0.5 W
Insertion Loss:
6.5 dB
Connector:
SMA, SMA - Female
Package Type:
Module with Connectors
more info
Description:6-bit Absorptive Attenuator from 1 to 18 GHz
Type:
Digital
Channels:
1 Channel
Frequency:
1 to 18 GHz
Attenuation Range:
63 dB
Bits:
6 Bit
Interface:
TTL/Serial/Parallel
Power:
1 W
Insertion Loss:
7.3 to 7.8 dB
Connector:
SMA, SMA - Female
Impedance:
50 Ohms
Package Type:
Module with Connectors
more info
Description:Programmable Attenuator for Cellular Fading Simulation Applications
Type:
Programmable, Digital, Computer Controlled
Channels:
1 Channel
Frequency:
DC to 3 GHz
Attenuation Range:
90 dB
Interface:
TTL/Serial/Parallel
Power:
0.1 W, (20 dBm)
Insertion Loss:
5.5 dB
Connector:
SMA, SMA - Female
Package Type:
Module with Connectors
more info
Description:USB Controlled Digital Attenuator from 1 to 22 GHz
Type:
Digital, Programmable
Channels:
1 Channel
Configuration:
Solid State
Frequency:
1 to 22 GHz
Attenuation Range:
Up to 60 dB in 0.5 dB Steps
Interface:
USB, GPIB
Power:
0.4 W
Insertion Loss:
Less than 10 dB
Connector:
SMA
Step Size:
0.5 dB
Package Type:
Benchtop
more info
Description:Digitally Controlled PIN Diode Attenuators from 8 to 26 GHz
Type:
Digital
Configuration:
Solid State
Frequency:
8 to 26 GHz
Attenuation Range:
60 dB
Bits:
6 Bit
Interface:
TTL/Serial/Parallel
Power:
0.2 W
Insertion Loss:
10.5 dB
Connector:
SMA, SMA - Female
Impedance:
50 Ohms
Step Size:
1 dB
Package Type:
Module with Connectors
more info

What are Digital Attenuators?

A digital attenuator is a device that attenuates or reduces the amplitude of the RF signal passed through it. RF signal attenuation capabilities are achieved digitally using semiconductor devices like PIN diodes, MOSFETs, and GaAs MESFETs. Digital RF attenuators switch between discrete and finite attenuation states.

Digital attenuators are classified according to the attenuation states that they offer which is determined by the number of bits they use. They are used in cellular networks, point-to-point nodes, repeaters, and in a wide selection of test & measurement and wireless applications.

Important parameters for a Digital Attenuator:

Operating Frequency: This is the frequency range at which a digital attenuator is fully functional or provides the best performance.

Attenuation Range: It is the total range of attenuation that an attenuator can provide.

Bits: It is the number of different attenuation values the attenuator can achieve and depend on the number of bits the attenuator has. A higher number of bits will result in more attenuation states and a smaller step size, which provide better control over the attenuation resolution.

Logic: The type of logic used to perform attenuation is determined by the driver circuitry of the attenuator. The most common types of logic used by digital attenuators are CMOS logic levels and transistor-transistor logic (TTL).

Switching Speed: This is the time between two consecutive switches by the attenuator. 

Interfaces: The attenuator is connected and controlled via an interface. It may support several interfaces through which it can be controlled.

everything RF has listed Digital RF Attenuators from the leading manufacturers. Use the filters to find products that meet your requirement. View details, download datasheets and get quotes/pricing.