CERAMIC RF/Microwave Attenuators 18

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Manufacturers
    • Aeroflex/weinschel
    • Amphenol
    • Analog Devices
    • Api Technologies
    • Broadcom
    • Cobham Plc
    • Defense Logistics Agency
    • Herley Industries
    • Hirose Electric
    • Hittite Microwave
    • Honeywell
    • Huber+suhner Ag
    • IXYS Corporation
    • Infinite Electronics International
    • Integrated Device Technology
    • International Manufacturing Services
    • KYOCERA AVX
    • Keysight Technologies
    • Lockheed Martin Microwave
    • M/a-com Technology Solutions
    • Maxim Integrated
    • Meca Electronics
    • Mini-circuits
    • NXP Semiconductors
    • Panasonic
    • Pasternack Enterprises
    • Pomona Electronics
    • Psemi
    • Qorvo
    • Radiall S A
    • Renesas Electronics
    • Samsung
    • Skyworks Solutions
    • Smiths Group Plc
    • Susumu
    • Sv Microwave
    • TE Connectivity
    • Texas Instruments
    • Toshiba
    • Tt Electronics Plc
    • Ttm Technologies
    • Yokohama Denshi Seiko
RF or Microwave Device Type
    • FIXED ATTENUATOR
    • PROGRAMMABLE ATTENUATOR
    • VARIABLE ATTENUATOR
Mounting Feature
    • PANEL MOUNT
    • SURFACE MOUNT
    • THROUGH HOLE MOUNT
No. of Terminals
    • 10
    • 12
    • 14
    • 16
    • 20
    • 24
    • 3
    • 32
    • 36
    • 4
    • 5
    • 6
    • 8
    • 9
Package Body Material (1)
    • CERAMIC
    • METAL
    • PLASTIC/EPOXY
Technology
    • AIN
    • BICMOS
    • CMOS
    • GAAS
Screening Level
    • 38535V;38534K;883S
    • MIL-A-3933
    • MIL-C-39012; MIL-DTL-3933
    • MIL-DTL-3933
    • MIL-PRF-38534 Class K
    • MIL-PRF-55342
    • MIL-STD-202, MIL-STD-348A
    • MIL-STD-883
Maximum Input Power (CW)
    • 15.05 dBm
    • 16.02 dBm
    • 16.99 dBm
    • 17.78 dBm
    • 17.99 dBm
    • 18 dBm
    • 18.06 dBm
    • 20 dBm
    • 23 dBm
    • 23.01 dBm
    • 23.98 dBm
    • 24 dBm
    • 24.5 dBm
    • 24.91 dBm
    • 25 dBm
    • 25.05 dBm
    • 26 dBm
    • 26.02 dBm
    • 26.99 dBm
    • 27 dBm
    • 27.99 dBm
    • 28 dBm
    • 28.06 dBm
    • 28.98 dBm
    • 29 dBm
    • 29.03 dBm
    • 29.3 dBm
    • 30 dBm
    • 31 dBm
    • 31.76 dBm
    • 32.3 dBm
    • 32.304 dBm
    • 33.01 dBm
    • 33.98 dBm
    • 34 dBm
    • 35 dBm
    • 35.05 dBm
    • 36 dBm
    • 36.99 dBm
    • 40 dBm
    • 42.3 dBm
    • 43.01 dBm
    • 43.98 dBm
    • 44.31 dBm
    • 44.77 dBm
    • 46.99 dBm
    • 50 dBm
    • 51.76 dBm
    • 53.98 dBm
    • 56.99 dBm
    • 60 dBm
Maximum Voltage Standing Wave Ratio
    • 1.1
    • 1.15
    • 1.2
    • 1.22
    • 1.25
    • 1.29
    • 1.3
    • 1.33
    • 1.35
    • 1.38
    • 1.4
    • 1.43
    • 1.45
    • 1.49
    • 1.5
    • 1.55
    • 1.58
    • 1.6
    • 1.65
    • 1.67
    • 1.7
    • 1.8
    • 1.9
    • 1.92
    • 1.95
    • 2
    • 2.1
    • 2.25
Nominal Attenuation
    • .05 dB
    • .5 dB
    • 0 dB
    • 1 dB
    • 10 dB
    • 10.87 dB
    • 11 dB
    • 110 dB
    • 12 dB
    • 120 dB
    • 13 dB
    • 14 dB
    • 15 dB
    • 15.5 dB
    • 15.75 dB
    • 16 dB
    • 17 dB
    • 18 dB
    • 19 dB
    • 19.7 dB
    • 2 dB
    • 2.9 dB
    • 20 dB
    • 20.05 dB
    • 21 dB
    • 22 dB
    • 23 dB
    • 23.5 dB
    • 24 dB
    • 25 dB
    • 27 dB
    • 28 dB
    • 29 dB
    • 29.97 dB
    • 3 dB
    • 30 dB
    • 31 dB
    • 31.5 dB
    • 31.7 dB
    • 31.75 dB
    • 32 dB
    • 32.4 dB
    • 33 dB
    • 33.7 dB
    • 35 dB
    • 39 dB
    • 4 dB
    • 40 dB
    • 42 dB
    • 45 dB
    • 5 dB
    • 5.7 dB
    • 50 dB
    • 6 dB
    • 60 dB
    • 63 dB
    • 7 dB
    • 7.5 dB
    • 7.75 dB
    • 70 dB
    • 8 dB
    • 8.5 dB
    • 9 dB
    • 9.5 dB
    • 9.9 dB
    • 9.97 dB
Maximum Supply Current
    • .05 mA
    • .1 mA
    • .2 mA
    • .25 mA
    • .26 mA
    • .3 mA
    • .35 mA
    • .4 mA
    • .9 mA
    • 1 mA
    • 1.5 mA
    • 2 mA
    • 2.5 mA
    • 25 mA
    • 3 mA
    • 3.5 mA
    • 5 mA
    • 6 mA
    • 6.5 mA
    • 7 mA
    • 9.5 mA
Construction
    • COAXIAL
    • COMPONENT
    • MODULE
Power Supplies (V)
    • +-3
    • +-3.3
    • +-5
    • -3
    • -3.3, 3.3
    • -3/-5
    • -4
    • -5
    • -7
    • 1
    • 1.25,1.5
    • 2.5/5
    • 2.7
    • 3
    • 3.3
    • 3.3/5
    • 3.3/5,5
    • 3.7
    • 3/5
    • 5
    • 5,-5/-8
Package Equivalence Code
    • DIE OR CHIP
    • DIP8,.2,200
    • LCC12,.12SQ,20
    • LCC12,.2SQ
    • LCC16,.12SQ,20
    • LCC16,.16SQ,25
    • LCC16,.1SQ,16
    • LCC20,.16SQ,20
    • LCC24,.16SQ,20
    • LCC32,.2SQ,20
    • LCC36,.25SQ,20
    • LCC6/8,.15SQ,28
    • LCC8,.2SQ,28
    • MODULE(UNSPEC)
    • MODULE,4LEAD(UNSPEC)
    • QFP16,.45SQ,30
    • QFP16,.4SQ,30
    • SOLCC6,.08,25
    • SOP14,.25
    • SOP16,.25
    • SOP24,.4
    • SOP8,.25
    • SOP8,.3
    • SOP8,.4
    • SSOP16,.25
    • TO-253
    • TSOP5/6,.11,37
    • TSOP6,.11,37
    • TSSOP10,.19,20
    • TSSOP8,.19
Characteristic Impedance
    • 50 ohm
    • 75 ohm
Sub-Category
    • RF/Microwave Attenuators
Maximum Operating Temperature
    • 100 Cel
    • 102 Cel
    • 105 Cel
    • 125 Cel
    • 135 Cel
    • 140 Cel
    • 150 Cel
    • 200 Cel
    • 55 Cel
    • 65 Cel
    • 71 Cel
    • 75 Cel
    • 85 Cel
    • 90 Cel
Minimum Operating Temperature
    • -10 Cel
    • -20 Cel
    • -40 Cel
    • -45 Cel
    • -50 Cel
    • -54 Cel
    • -55 Cel
    • -65 Cel
    • 0 Cel
Terminal Finish
    • GOLD
    • GOLD OVER NICKEL
    • GOLD/SILVER
    • Gold (Au)
    • Gold (Au) - with Nickel (Ni) barrier
    • Gold Flash (Au) - with Nickel (Ni) barrier
    • MATTE TIN
    • MATTE TIN OVER NICKEL
    • Matte Tin (Sn)
    • Matte Tin (Sn) - annealed
    • Matte Tin (Sn) - with Nickel (Ni) barrier
    • NICKEL (10) PALLADIUM GOLD SILVER
    • NICKEL PALLADIUM GOLD
    • Nickel (Ni)
    • Nickel/Gold (Ni/Au)
    • Nickel/Palladium/Gold (Ni/Pd/Au)
    • SILVER
    • SILVER FLASH OVER NICKEL PALLADIUM GOLD
    • SILVER OVER NICKEL
    • Silver (Ag)
    • TIN
    • TIN LEAD
    • TIN SILVER
    • TIN SILVER NICKEL
    • TIN SILVER OVER NICKEL
    • Tin (Sn)
    • Tin/Lead (Sn/Pb)
    • Tin/Lead (Sn/Pb) - with Nickel (Ni) barrier
    • Tin/Lead (Sn85Pb15)
    • Tin/Silver (Sn/Ag)
Maximum Insertion Loss
    • .5 dB
    • .7 dB
    • 1 dB
    • 1.2 dB
    • 1.3 dB
    • 1.32 dB
    • 1.4 dB
    • 1.5 dB
    • 1.6 dB
    • 1.7 dB
    • 1.8 dB
    • 1.9 dB
    • 10.5 dB
    • 11.3 dB
    • 2 dB
    • 2.1 dB
    • 2.2 dB
    • 2.3 dB
    • 2.4 dB
    • 2.5 dB
    • 2.6 dB
    • 2.7 dB
    • 2.8 dB
    • 20 dB
    • 21.7 dB
    • 3 dB
    • 3.1 dB
    • 3.2 dB
    • 3.25 dB
    • 3.3 dB
    • 3.4 dB
    • 3.5 dB
    • 3.6 dB
    • 3.7 dB
    • 3.8 dB
    • 31.7 dB
    • 4 dB
    • 4.2 dB
    • 4.3 dB
    • 4.4 dB
    • 4.5 dB
    • 4.6 dB
    • 4.7 dB
    • 4.8 dB
    • 42.5 dB
    • 5 dB
    • 5.1 dB
    • 5.2 dB
    • 5.7 dB
    • 5.8 dB
    • 6 dB
    • 6.5 dB
    • 7 dB
    • 7.5 dB
    • 7.8 dB
    • 8 dB
    • 8.5 dB
Additional Features
    • 0-26.5 GHZ SPECIFIED FREQUENCY RANGE
    • 1.85 MM
    • 2.4 MM-F, I/P POWER-MAX(PEAK)=200W
    • 2.4 MM-F; 2.4 MM-M, I/P POWER-MAX(PEAK)=200W
    • 2.92 MM-F
    • 2.92 MM-F; 2.92 MM-M, I/P POWER-MAX(PEAK)=500W
    • 2.92 MM-F; N-F, I/P POWER-MAX(PEAK)=5000W, MODE FREE OPERATION TO 10 GHZ
    • 3.5 MM, I/P POWER-MAX(PEAK)=500W
    • 3.5 MM-F, I/P POWER-MAX(PEAK)=1000W
    • 3.5 MM-F; 3.5 MM-M, I/P POWER-MAX(PEAK)=1000W
    • 3.5 MM-F; N-F, I/P POWER-MAX(PEAK)=1000W
    • 3.5 MM-F; N-M, I/P POWER-MAX(PEAK)=1000W
    • 3.5 MM-M, I/P POWER-MAX(PEAK)=1000W
    • 3.5 MM-M; N-F, I/P POWER-MAX(PEAK)=1000W
    • 3.5 MM-M; N-M, I/P POWER-MAX(PEAK)=1000W
    • 7/16-F, I/P POWER-MAX(PEAK)=10000W
    • 7/16-F; 7/16-M, I/P POWER-MAX(PEAK)=10000W
    • 7/16-F; N-F, I/P POWER-MAX(PEAK)=10000W
    • 7/16-F; N-M, I/P POWER-MAX(PEAK)=10000W
    • 7/16-M, I/P POWER-MAX(PEAK)=10000W
    • BNC, I/P POWER-MAX(PEAK)=100W
    • BNC-F; BNC-M
    • BNC-F; BNC-M, I/P POWER-MAX(PEAK)=500W
    • CMOS COMPATIBLE
    • CMOS COMPATIBLE, I/P POWER-MAX(PEAK)=1.26W
    • F-F; SMA-F, I/P POWER-MAX(PEAK)=250W
    • HIGH RELIABILITY
    • HIGH RELIABILITY, I/P POWER-MAX(PEAK)=2W
    • I/P POWER-MAX (PEAK)=1W
    • I/P POWER-MAX(PEAK)=1.26W
    • I/P POWER-MAX(PEAK)=100W
    • I/P POWER-MAX(PEAK)=1W
    • I/P POWER-MAX(PEAK)=200W
    • I/P POWER-MAX(PEAK)=25W
    • I/P POWER-MAX(PULSE)=0.5W
    • I/P POWER-MAX(PULSE)=0.63W
    • I/P POWER-MAX(PULSE)=1.26W
    • LOW NOISE
    • N
    • N-F, I/P POWER-MAX(PEAK)=10000W
    • N-F, I/P POWER-MAX(PEAK)=1000W
    • N-F; N-M
    • N-F; N-M, I/P POWER-MAX(PEAK)=10000W
    • N-F; N-M, I/P POWER-MAX(PEAK)=1000W
    • N-F; N-M, I/P POWER-MAX(PEAK)=1000W, USABLE TO 5000 MHZ
    • N-F; N-M, I/P POWER-MAX(PEAK)=100W
    • N-F; N-M, I/P POWER-MAX(PEAK)=125W
    • N-F; N-M, I/P POWER-MAX(PEAK)=500W
    • N-F; SMA-F, I/P POWER-MAX(PEAK)=250W
    • N-F; SMK-M, I/P POWER-MAX(PEAK)=10000W; MIL-STD-348
    • N-M, I/P POWER-MAX(PEAK)=10000W
    • N-M, I/P POWER-MAX(PEAK)=1000W
    • SMA
    • SMA 2.9-F; SMA 2.9-M, I/P POWER-MAX(PEAK)=100W
    • SMA, CMOS COMPATIBLE
    • SMA, HIGH RELIABILITY
    • SMA, I/P POWER-MAX(PEAK)=100W
    • SMA, I/P POWER-MAX(PEAK)=500W
    • SMA-F, HIGH RELIABILITY
    • SMA-F, TTL COMPATIBLE
    • SMA-F; SMA-M
    • SMA-F; SMA-M, I/P POWER-MAX(PEAK)=1000W
    • SMA-F; SMA-M, I/P POWER-MAX(PEAK)=100W
    • SMA-F; SMA-M, I/P POWER-MAX(PEAK)=125W
    • SMA-F; SMA-M, I/P POWER-MAX(PEAK)=250W
    • SMA-F; SMA-M, I/P POWER-MAX(PEAK)=5000W
    • SMA-F; SMA-M, I/P POWER-MAX(PEAK)=500W
    • SMA-F; SMA-M, USABLE TO 30 GHZ, I/P POWER-MAX(PEAK)=500W
    • SMA-M, I/P POWER-MAX(PEAK)=1000W
    • SMA-M, I/P POWER-MAX(PEAK)=500W
    • SMA; I/P POWER-MAX(PEAK)=100W
    • SMC
    • SMK 2.92 MM-F; N-F, I/P POWER-MAX(PEAK)=5000W
    • SMK 2.92 MM-F; N-M, I/P POWER-MAX(PEAK)=10000W
    • SMK 2.92 MM-F; SMK 2.92 MM-M, I/P POWER-MAX(PEAK)=5000W
    • SMK-F; N-M, I/P POWER-MAX(PEAK)=10000W; MIL-STD-348
    • SMK-F; SMK-M, I/P POWER-MAX(PEAK)=10000W
    • SMK-M; N-M, I/P POWER-MAX(PEAK)=10000W; MIL-STD-348
    • SMP-M, I/P POWER-MAX(PEAK)=250W
    • TNC-F; TNC-M, I/P POWER-MAX(PEAK)=1000W
    • TTL COMPATIBLE
    • USABLE TO 10000 MHZ
JESD-609 Code
    • e0
    • e2
    • e3
    • e4
Minimum Operating Frequency
    • -40 MHz
    • .001 MHz
    • .009 MHz
    • .3 MHz
    • 0 MHz
    • 1 MHz
    • 10 MHz
    • 100 MHz
    • 1000 MHz
    • 10000 MHz
    • 12400 MHz
    • 17000 MHz
    • 1895 MHz
    • 2000 MHz
    • 20000 MHz
    • 2200 MHz
    • 2400 MHz
    • 250 MHz
    • 350 MHz
    • 36000 MHz
    • 4 MHz
    • 400 MHz
    • 450 MHz
    • 5 MHz
    • 50 MHz
    • 500 MHz
    • 5000 MHz
    • 600 MHz
    • 700 MHz
    • 7000 MHz
    • 70000 MHz
    • 750 MHz
    • 8000 MHz
Maximum Operating Frequency
    • .5 MHz
    • 10000 MHz
    • 12400 MHz
    • 1250 MHz
    • 13000 MHz
    • 14000 MHz
    • 1500 MHz
    • 18000 MHz
    • 1918 MHz
    • 2000 MHz
    • 20000 MHz
    • 2200 MHz
    • 22000 MHz
    • 2400 MHz
    • 2500 MHz
    • 25000 MHz
    • 26000 MHz
    • 26500 MHz
    • 2700 MHz
    • 27000 MHz
    • 28000 MHz
    • 300 MHz
    • 3000 MHz
    • 30000 MHz
    • 31000 MHz
    • 32000 MHz
    • 33000 MHz
    • 3700 MHz
    • 3800 MHz
    • 4000 MHz
    • 40000 MHz
    • 4200 MHz
    • 43500 MHz
    • 45000 MHz
    • 5000 MHz
    • 50000 MHz
    • 5500 MHz
    • 55000 MHz
    • 6000 MHz
    • 60000 MHz
    • 65 MHz
    • 67000 MHz
    • 7000 MHz
    • 8000 MHz
    • 85 MHz
    • 8500 MHz
    • 86000 MHz
Reset All
Part RoHS Manufacturer RF or Microwave Device Type Mounting Feature No. of Terminals Package Body Material Technology Screening Level Maximum Input Power (CW) Maximum Voltage Standing Wave Ratio Nominal Attenuation Maximum Supply Current Construction Power Supplies (V) Package Equivalence Code Characteristic Impedance Sub-Category Maximum Operating Temperature Minimum Operating Temperature Terminal Finish Maximum Insertion Loss Additional Features JESD-609 Code Minimum Operating Frequency Maximum Operating Frequency

HMC424ALH5TR

Analog Devices

VARIABLE ATTENUATOR

SURFACE MOUNT

12

CERAMIC

GAAS

25 dBm

31.5 dB

COMPONENT

-5

LCC12,.2SQ

50 ohm

85 Cel

-40 Cel

5.2 dB

0 MHz

13000 MHz

HMC424ALH5

Analog Devices

VARIABLE ATTENUATOR

SURFACE MOUNT

12

CERAMIC

GAAS

25 dBm

31.5 dB

COMPONENT

-5

LCC12,.2SQ

50 ohm

85 Cel

-40 Cel

5.2 dB

0 MHz

13000 MHz

HMC346ALC3BTR

Analog Devices

VARIABLE ATTENUATOR

SURFACE MOUNT

12

CERAMIC

GAAS

18 dBm

24 dB

COMPONENT

LCC12,.12SQ,20

50 ohm

85 Cel

-40 Cel

GOLD OVER NICKEL

4 dB

e4

0 MHz

18000 MHz

HMC424AG16

Analog Devices

VARIABLE ATTENUATOR

SURFACE MOUNT

16

CERAMIC

GAAS

24.5 dBm

31.5 dB

COMPONENT

-5

QFP16,.45SQ,30

50 ohm

85 Cel

-40 Cel

3.6 dB

3000 MHz

HMC424LH5TR

Analog Devices

VARIABLE ATTENUATOR

SURFACE MOUNT

12

CERAMIC

GAAS

-5

LCC12,.2SQ

RF/Microwave Attenuators

85 Cel

-40 Cel

HMC346LC3BTR

Analog Devices

VARIABLE ATTENUATOR

SURFACE MOUNT

12

CERAMIC

GAAS

LCC12,.12SQ,20

RF/Microwave Attenuators

85 Cel

-40 Cel

HMC812LC4TR

Analog Devices

VARIABLE ATTENUATOR

SURFACE MOUNT

24

CERAMIC

GAAS

LCC24,.16SQ,20

RF/Microwave Attenuators

85 Cel

-40 Cel

4 dB

5000 MHz

30000 MHz

HMC812LC4RTR

Analog Devices

SURFACE MOUNT

24

CERAMIC

GAAS

LCC24,.16SQ,20

RF/Microwave Attenuators

85 Cel

-40 Cel

HMC424LH5

Analog Devices

VARIABLE ATTENUATOR

SURFACE MOUNT

12

CERAMIC

GAAS

25.05 dBm

31.5 dB

COMPONENT

-5

LCC12,.2SQ

50 ohm

RF/Microwave Attenuators

85 Cel

-40 Cel

Gold (Au) - with Nickel (Ni) barrier

4.7 dB

HIGH RELIABILITY

e4

0 MHz

13000 MHz

HMC346C8TR

Analog Devices

VARIABLE ATTENUATOR

SURFACE MOUNT

8

CERAMIC

GAAS

SOP8,.3

RF/Microwave Attenuators

85 Cel

-40 Cel

HMC812LC4

Analog Devices

VARIABLE ATTENUATOR

SURFACE MOUNT

24

CERAMIC

GAAS

30 dBm

30 dB

COAXIAL

LCC24,.16SQ,20

50 ohm

RF/Microwave Attenuators

85 Cel

-40 Cel

GOLD OVER NICKEL

4 dB

e4

5000 MHz

30000 MHz

HMC812ALC4

Analog Devices

VARIABLE ATTENUATOR

SURFACE MOUNT

24

CERAMIC

GAAS

30 dBm

35 dB

COMPONENT

LCC24,.16SQ,20

50 ohm

85 Cel

-40 Cel

GOLD OVER NICKEL

e4

5000 MHz

30000 MHz

HMC346C8RTR

Analog Devices

SURFACE MOUNT

8

CERAMIC

GAAS

SOP8,.3

RF/Microwave Attenuators

85 Cel

-40 Cel

HMC346LC3B

Analog Devices

VARIABLE ATTENUATOR

SURFACE MOUNT

12

CERAMIC

GAAS

17.99 dBm

30 dB

COMPONENT

LCC12,.12SQ,20

50 ohm

RF/Microwave Attenuators

85 Cel

-40 Cel

Gold Flash (Au) - with Nickel (Ni) barrier

3.5 dB

0 MHz

18000 MHz

HMC346ALC3B

Analog Devices

VARIABLE ATTENUATOR

SURFACE MOUNT

12

CERAMIC

GAAS

18 dBm

24 dB

COMPONENT

LCC12,.12SQ,20

50 ohm

85 Cel

-40 Cel

GOLD OVER NICKEL

4 dB

e4

0 MHz

18000 MHz

HMC346LC3BRTR

Analog Devices

SURFACE MOUNT

12

CERAMIC

GAAS

LCC12,.12SQ,20

RF/Microwave Attenuators

85 Cel

-40 Cel

SMM-11000-205

Samsung

SURFACE MOUNT

8

CERAMIC

GAAS

-3

SOP8,.4

RF/Microwave Attenuators

Tin/Lead (Sn/Pb)

e0

SMM-11000-105

Samsung

SURFACE MOUNT

8

CERAMIC

GAAS

-3

SOP8,.4

RF/Microwave Attenuators

Tin/Lead (Sn/Pb)

e0

RF/Microwave Attenuators

RF/Microwave attenuators are electronic devices designed to reduce the strength or amplitude of an RF or microwave signal without significantly affecting its waveform. They are used in a variety of applications, including signal conditioning, power level control, and impedance matching.

There are various types of RF/Microwave attenuators, including fixed, variable, and programmable. Fixed attenuators provide a fixed amount of attenuation and are used in applications where the signal level needs to be reduced by a specific amount. Variable attenuators allow for the adjustment of the signal level by rotating a knob or sliding a lever, and are used in applications where the signal level needs to be continuously adjusted. Programmable attenuators can be controlled electronically and offer greater flexibility in adjusting the signal level.

Attenuators can be designed using different technologies, such as resistive, capacitive, and diode-based. Resistive attenuators use resistors to dissipate energy and reduce signal strength. Capacitive attenuators use capacitors to block high-frequency signals and allow low-frequency signals to pass through. Diode-based attenuators use PIN diodes or varactor diodes to control signal strength.

RF/Microwave attenuators are used in a wide range of applications, including in wireless communication systems, test and measurement equipment, radar systems, and satellite communication systems. They play an important role in controlling signal levels and ensuring the integrity of signals in these systems.