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AT-264TR

Digital Attenuator, 4-Bit, Single Control 30 dB, 0.5 - 2.0 GHz

M/A-COM Technology Solutions, Inc. 

AT-264

Digital Attenuator, 4-Bit, Single Control

30 dB, 0.5 - 2.0 GHz

Rev. V7

Electrical Specifications4: TA = 25°C, Z0 = 50 Ω, VS = 5 V

Parameter

Test Conditions

Units

Min.

Typ.

Max.

Reference Insertion Loss

0.5 - 1.0 GHz

0.5 - 2.0 GHz

dB

—

dB

—

2.0

2.4

2.2

2.6

Attenuation Accuracy

0.5 - 1.0 GHz

0.5 - 2.0 GHz

± (0.15 dB + 5% of attenuation setting in dB) dB

± (0.3 dB + 5% of attenuation setting in dB) dB

VSWR

1.0 - 1.5 GHz

0.5 - 2.0 GHz

Ratio

—

1.5:1

—

Ratio

—

1.9:1

—

Trise, Tfall

10% to 90% RF, 90% to 10% RF

ns

—

200

—

Ton, Toff

50% Control to 90% RF,50% Control to 10% RF ns

—

200

—

Transients

In Band

mV

—

75

—

1 dB Compression

Input Power, 0.5 GHz

Input Power, 0.9 GHz

dBm

—

25

—

dBm

—

25

—

0.5 GHz

IP2

0.5 - 2.0 GHz

Measured Relative to Input

dBm

—

65

—

dBm

—

71

—

(for two-tone Input Power up to +5 dBm)

0.5 GHz

IP3

0.5 - 2.0 GHz

Measured Relative to Input

dBm

—

43

—

dBm

—

47

—

(for two-tone Input Power up to +5 dBm)

IC

Vc  5 V

µA

—

—

10

IVS

—

µA

—

—

20

4. External DC blocking capacitors are required on all RF ports. Loss varies at 0.003 dB/°C.

Absolute Maximum Ratings 5,6

Parameter

Input Power

50 MHz

500 - 2000 MHz

Control Voltage

Operating Temperature

Storage Temperature

Absolute Maximum

+27 dBm

+34 dBm

-0.5 V < VC < 8.5 V

-40°C to +85°C

-65°C to +150°C

5. Exceeding any one or combination of these limits may cause

permanent damage to this device.

6. MACOM does not recommend sustained operation near these

survivability limits.

Truth Table7

VC1 VC2 VC3 VC4

1111

1110

1101

1011

0111

0000

7. 0 = 0 ± 0.2 V, 1 = +5 V

Attenuation (dB)

Reference Insertion Loss

2

4

8

16

30

2

M/A-COM Technology Solutions Inc. (MACOM) and its affiliates reserve the right to make changes to the product(s) or information contained herein without notice.

Visit www.macom.com for additional data sheets and product information.

For further information and support please visit:

https://www.macom.com/support

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