Voltage Variable Absorptive Attenuator AT-332, AT-337 DC - 2 GHz V 2.00 AT-332 (TO-5-4) Features • Available in Ceramic and TO-5 packages • 40 dB Matched Attenuation • Low Insertion Loss Guaranteed Specifications1 (From -55°C to + 85°C) Frequency Range Insertion Loss DC – 2.0 GHz DC – 2.0 GHz DC – 1.0 GHz 1.5 dB Max 1.2 dB Max VSWR AT-332 1.4:1 1.25:1 DC – 2.0 GHz DC – 1.0 GHz Attenuation (Matched) @ 25°C DC – 2.0 GHz Flatness (Peak to Peak) 0-20 dB Attenuation 0-30 dB Attenuation 0-40 dB Attenuation Attenuation vs Temperature (Relative to 25°C) 0 to 20 dB Attenuation 0 to 30 dB Attenuation 0 to 40 dB Attenuation AT-337 1.5:1 Max 1.3:1 Max 40 dB Min 1.0 dB Max 2.0 dB Max 3.0 dB Max ±2.5 dB ±4.0 dB ±6.0 dB Operating Characteristics Impedance 50 Ohms Nominal Switching Characteristics Trise, Tfall (10% to 90%) Ton, Toff (50% CTL to 90%/10% RF) Transients (in band) 14 ns Typ 22 ns Typ 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 0.5 GHz 2.0 GHz 10 dB 0.1 0.4 Control Voltages A input (Shunt FETS) B input (Series FETS) 20 dB 3 12 30 dB 10 35 40 dB 19 60 Deg Typ Deg Typ 0 to -4V @ 100 µA Max 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. Ordering Information Model No. Package AT-354 PIN Dual Inline AT-337 (CR-2 w/o Pin 1) Voltage Variable Absorptive Attenuator AT-332, AT-337 V 2.00 Absolute Maximum Ratings Functional Schematics (Top View) Absolute Maximum1 Parameter 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 1.Operation of this device above any one of these parameters may cause permanent damage. Typical Performance FREQUENCY (GHz) FREQUENCY (GHz)