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Broadband Digital Attenuator

The HDA040-069 Digital Attenuator covers the range from DC to 40 GHz in 6-bit operation. Attenuation bit values are 0.5 dB (LSB), 1, 2, 4, 8 and 16 dB for total attenuation of 31.5 dB above the attenuator insertion loss. Low bit errors and RMS phase errors are characteristics of this attenuator. The attenuator is useful for communication systems, radars and in test equipment.







Attenuator Bias Voltage = +5 volts.

Parameter Test Conditions Units Typical
Insertion Loss (at minimum attenuation)DCdB4.0
1 GHz5.1
3 GHz6.0
10 GHz7.3
20 GHz8.4
30 GHz9.2
40 GHz11.5
Return LossDC-40 GHzdB10.0
Atttenuation Bits @ 20 GHzLSB: 0.5 dBdB0.4
Bit 2: 1 dB0.9
Bit 3: 2 dB1.8
Bit 4: 4 dB3.8
Bit 5: 8 dB8.0
Bit 6: 16 dB17.4
Input P1dBDC-40 GHzdBm23
Input IP3DC-40 GHzdBm37
Switching TimeDC-40 GHznS45
Control LogicDC-40 GHzV0/+5
Control CurrentEach control bit @ +5VmA6
Supply CurrentDC-40 GHzmA17 (45 max)
Absolute Maximum InputDC-40 GHzdBm35

Operating Temperature Range (absolute maximum): -40°C to +85°C
Storage Temperature Range (absolute maximum): -65°C to +150°C

Downloads (click to download)

Broadband Digital Attenuator, HDA040-069 Datasheet
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