Attenuator - Digitally Controlled

Digitally Controlled MMIC Attenuators are versatile small signal RF components which attenuate an RF signal by a precise (digitally-selected) amount (in dB). As new applications (ranging from communications to defense) place demands for tighter signal amplitude control, RF and microwave engineers have come to increasingly rely on the use of digital attenuators for both precise and highly-linear signal amplitude control. Another industry-common name for Digitally Controlled MMIC Attenuators is “digital step attenuators” (DSAs). Applications for Digitally Controlled MMIC Attenuators include (but are not limited to): cellular base stations, repeaters, and femtocells; bench test equipment and automated test equipment; military radios, Radar, and ECM; RF power amplifier distortion canceling loops; Microwave radio and VSAT; CATV headend and distribution systems; and Cable and satellite set-top-boxes. Richardson RFPD stocks a large assortment of Digitally Controlled MMIC Attenuators from industry-leading manufacturers.

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Minimum Frequency (MHz)

0 (7)
100 (2)

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Maximum Frequency (MHz)

2400 (1)
3000 (1)
4000 (2)
18000 (1)
31000 (1)
35000 (1)
40000 (2)

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Control Accuracy (Bits)

2 (1)
4 (2)
5 (2)
6 (2)

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Step Size (dB)

0.5 (1)
1 (7)
16 (1)

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Attenuation Control Range (dB (dB)

15 (2)
30 (2)
31 (2)
31.5 (1)
32 (1)
50 (1)

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Select Max 15 30 31 31.5 32 50

Insertion Loss (dB)

2.1 (1)
4 (1)
4.5 (1)
5 (1)
5.5 (3)
7 (1)
8 (1)

Select Min 2.1 4 4.5 5 5.5 7 8
Select Max 2.1 4 4.5 5 5.5 7 8

P1dB (dBm)

20 (2)
24 (1)
26 (1)
27 (2)

Select Min 20 24 26 27
Select Max 20 24 26 27

Input IP3 (dBm)

37 (2)
38 (1)
42 (1)
48 (1)

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Select Max 37 38 42 48

Control Type (TTL/-5V)

0/3.3-5 V (2)
TTL (5)
USB Type A (2)

Package Type

Die (2)
PQFN (3)
QFN (1)
SMA Connectorized (2)
Surface Mount (1)

11 results found.

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	Image	Item	Mfg Part #	Mfg	Description	Datasheet	Availability	Min/Mult	Price (US Stock)	Quantity		ECAD Model	Minimum Frequency (MHz)	Maximum Frequency (MHz)	Control Accuracy (Bits)	Step Size (dB)	Attenuation Control Range (dB (dB)	Insertion Loss (dB)	P1dB (dBm)	Input IP3 (dBm)	Control Type (TTL/-5V)	Package Type
		CHT3029-99F	CHT3029-99F		Attenuator - Digitally Controlled		Request Quote for Lead Time	100/100	100:   $49.2900 200:   $43.3800 300:   $38.1700	Add To Order	Quote		0	35000	4	1	15	4.5	20		0/3.3-5 V	Die
		CHT3029-QEG	CHT3029-QEG		Attenuator - Digitally Controlled		Request Quote for Lead Time	1	1:   $59.5100 100:   $53.1300 500:   $46.7500 1000:   $41.1500	Add To Order	Quote		0	31000	4	1	15	4	20		0/3.3-5 V	QFN
		MAAD-000523-TR1000			Attenuator - Digitally Controlled		Request Quote for Lead Time	1,000/1000	1000:   $5.2600	Add To Order	Quote
		MAAD-007080-000100	MAAD-007080-000100		Attenuator - Digitally Controlled		185	100/100	100:   $18.4400 200:   $16.7100 300:   $15.9000 400:   $14.4100 500:   $13.6900	Add To Order	Quote		0	2400	6	1	50	5.5	24	48	TTL	PQFN
		MAAD-007081-000100			Attenuator - Digitally Controlled		Request Quote for Lead Time Mfg. Stock: 446	100/100	100:   $13.9000 200:   $12.3200 300:   $11.7000 400:   $10.6100 500:   $10.0900	Add To Order	Quote
		MAAD-008790-000100	MAAD-008790-000100		Attenuator - Digitally Controlled		Request Quote for Lead Time	100/100	100:   $13.2400 200:   $11.6800 300:   $10.8400	Add To Order	Quote		0	4000	5	1	31	5.5	27	37	TTL	PQFN
		MAAD-008790-0001TR	MAAD-008790-0001TR		Attenuator - Digitally Controlled		Request Quote for Lead Time	1,000/1000	1000:   $10.2200 2000:   $9.3200 3000:   $8.2900 4000:   $7.7000	Add To Order	Quote		0	4000	5	1	31	5.5	27	37	TTL	PQFN
		MAAD-009260-000100	MAAD-009260-000100		Attenuator - Digitally Controlled		1	1	Call RFPD		Quote		0	3000	2	16	32	2.1	26	42	TTL	Surface Mount
		MAAD-011021-0GPDIE	MAAD-011021-0GPDIE		Attenuator - Digitally Controlled		Request Quote for Lead Time	100/100	100:   $85.1100	Add To Order	Quote		0	40000	6	0.5	31.5	7		38	TTL	Die
		ATN-30-100M18G-USB	ATN-30-100M18G-USB		Attenuator - Digitally Controlled		5	1	1:   $1,506.2300 2:   $1,443.2700 5:   $1,380.3200	Add To Order	Quote		100	18000		1	30	5			USB Type A	SMA Connectorized
		ATN-30-100M40G-USB	ATN-30-100M40G-USB		Attenuator - Digitally Controlled		5	1	1:   $1,883.9700 2:   $1,821.0100 5:   $1,758.0500	Add To Order	Quote		100	40000		1	30	8			USB Type A	SMA Connectorized