V 2.00
Guaranteed Specifications
1
(From -55C to + 85C)
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) @ 25C
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 25C)
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 A Max
B input (Series FETS)
0 to -4V @ 100 A 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
-55C to +125C
Storage Temperature
-65C to +150C
FREQUENCY (GHz)
FREQUENCY (GHz)
Voltage Variable Absorptive Attenuator
AT-332, AT-337
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