Voltage Variable Absorptive Attenuator
DC - 5 GHz
AT-201
V 2.00
Features
CR-2
●
Miniature Ceramic Package
●
Fast Switching Speed, 4 ns Typical
●
Ultra Low DC Power Consumption
Guaranteed Specifications *
(From -55°C to +85°C)
Frequency Range
DC - 5 GHz
Insertion Loss
VSWR
DC - 5 GHz
DC - 3 GHz
DC - 2 GHz
2.5 dB Max
1.3 dB Max
1.5 dB Max
Dimensions in ( ) are in mm.
Bottom of Case is AC Ground.
DC - 5 GHz
DC - 3 GHz
DC - 2 GHz
2.0:1 dBMax
1.5:1 dB Max
1.5:1 dB Max
Typical Performance
Attenuation
DC - 4 GHz
DC - 5 GHz
20 dB Max
18 dB Max
+85
+25°C
- 55
Flatness
(Peak to Peak)
DC - 5 GHz
DC - 3 GHz
DC - 2 GHz
2.5 dB Max
1.5 dB Max
1.0 dB Max
*
Attenuation vs. Temperature
0 to 10 dB Att.
20 dB Att.
±0.6 dB
±2.5 dB
To 15 dB attenuation
*
30 dB attn.
0 dB attn.
Operating Characteristics
Impedance
50 Ohms Nominal
Switching Characteristics
Trise, Tfall (10% to 90%)
4 ns Typ
8 ns Typ
10 mv Typ
Ton, Toff (50% C+L to 90%/10% RF)
Transients (in band)
Input Power for 1 dB Compression
Attenuation Level
.05 GHz to 5 GHz
0 dB
+16
20 dB
+11
dBm Typ
Intermodulation Intercept Point
(for two-tone input power up to +5 dBm)
Intercept Points
IP2
IP3
.05 GHz to 5 GHz
+25
+13
dBm Typ
Control Voltages
A Input (Shunt FETS)
B Input (Series FETS)
-1.5 to -4 V @ 100 µA Max
0 to -4 V @ 100 µA Max
SERIES
B Input
SHUNT
A Input
Environmental
See Appendix for MIL-STD-883 screening option.
All specifications apply with 50 ohm connected to all RF ports.
† Faster switching speed can be achieved with enhanced driver waveform.
Switching speed is measured between 20 dB and 2 dB attenuation levels.
*
Pin Configuration
Ordering Information
Model No.
Package
AT-201 PIN
Ceramic