MACOM AT-354, AT-337, AT-332 Datasheet
V 2.00
Guaranteed Specifications
1
(From -55°C to + 85°C)
Frequency Range DC – 2.0 GHz
Insertion Loss DC – 2.0 GHz 1.5 dB Max
DC – 1.0 GHz 1.2 dB Max
VSWR AT-332 AT-337
DC – 2.0 GHz 1.4:1 1.5:1 Max
DC – 1.0 GHz 1.25:1 1.3:1 Max
Attenuation DC – 2.0 GHz 40 dB Min
(Matched) @ 25°C
Flatness 0-20 dB Attenuation 1.0 dB Max
(Peak to Peak) 0-30 dB Attenuation 2.0 dB Max
0-40 dB Attenuation 3.0 dB Max
Attenuation vs 0 to 20 dB Attenuation ±2.5 dB
Temperature 0 to 30 dB Attenuation ±4.0 dB
(Relative to 25°C) 0 to 40 dB Attenuation ±6.0 dB
Operating Characteristics
Impedance 50 Ohms Nominal
Switching Characteristics
Trise, Tfall (10% to 90%) 14 ns Typ
Ton, Toff (50% CTL to 90%/10% RF) 22 ns Typ
Transients (in band) 14 mV Typ
Input Power for 1 dB Compression
Attenuation Level 0 dB
0.05 GHz 21
0.5 GHz to 2.0 GHz 27 dBm Typ
Intermodulation Intercept Point (for two-tone input power up to +5 dBm)
Intercept Points IP2 IP3
Attenuation Level (dB) 0 5 10 0 5 10
0.05 GHz 54 43 39 39 33 30 dBm Typ
0.5 to 2 GHz 65 54 49 47 44 38 dBm Typ
Phase Shift
(Relative to 0 dB Attenuation)
Attenuation Level 10 dB 20 dB 30 dB 40 dB
0.5 GHz 0.1 3 10 19 Deg Typ
2.0 GHz 0.4 12 35 60 Deg Typ
Control Voltages
A input (Shunt FETS) 0 to -4V @ 100 µA Max
B input (Series FETS) 0 to -4V @ 100 µA Max
1. All specifications apply with 50 ohm connected to all RF Ports.
2. Contact the factory for standard or custom sreenig requirements.
Voltage Variable Absorptive Attenuator
DC - 2 GHz
AT-332, AT-337
Features
• Available in Ceramic and TO-5 packages
• 40 dB Matched Attenuation
• Low Insertion Loss
AT-332 (TO-5-4)
AT-337 (CR-2 w/o Pin 1)
Ordering Information
Model No. Package
AT-354 PIN Dual Inline
V 2.00
Typical Performance
Functional Schematics (Top V i ew )Absolute Maximum Ratings
1.Operation of this device above any one of these parameters may cause
permanent damage.
Parameter Absolute Maximum
1
Max. Input Power
0.05 GHz +27 dBm
0.5 – 2.0 GHz +30 dBm
Control Voltage +5V, -8.5V
Operating Temperature -55°C to +125°C
Storage Temperature -65°C to +150°C
FREQUENCY (GHz)
FREQUENCY (GHz)
Voltage Variable Absorptive Attenuator AT-332, AT-337
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