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PDF AT-283 Data sheet ( Hoja de datos )
| Número de pieza | AT-283 | |
| Descripción | Digital Attenuator/ 15.5 dB/ 5-Bit/ TTL Driver/ DC - 2 GHz | |
| Fabricantes | Tyco Electronics | |
| Logotipo |  |
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Digital Attenuator, 15.5 dB, 5-Bit,
TTL Driver, DC - 2 GHz
V 5.00
Features
n Attenuation: 0.5 dB Steps to 15.5 dB2
n Temperature Stability: ± 0.18 dB from –55°C
to +85°C Typical
n Low DC Power Consumption
n Hermetic Surface Mount Package
n Integral TTL Driver
n 50 O Nominal Impedance
CR-12
Description
M/A-COM’s AT-283 is a GaAs FET 5-bit digital attenuator
with a 0.5 dB minimum step size and 15.5 dB total
attenuation. This attenuator and integral TTL driver is in a
hermetically sealed ceramic 16-lead surface mount package.
The AT-283 is ideally suited for use where accuracy, fast
switching, very low power consumption and low
intermodulation products are required. Typical applications
include dynamic range setting in precision receiver circuits
and other gain/leveling control circuits. Environmental
screening is available. Contact the factory for information.
Electrical Specifications1: TA = 25°C
Parameter
Reference
Insertion Loss
Attenuation Accuracy 3
Test Conditions
DC-0.5 GHz
DC-1.0 GHz
DC-2.0 GHz
Any Single Bit
Any Combination of Bits
DC-2.0 GHz
DC-2.0 GHz
VSWR
Trise, Tfall
Ton, Toff
Transients
1 dB Compression 4
Input IP3 4
DC-1.0 GHz
DC-2.0 GHz
10% to 90%
50% Control to 90/10% RF
In-band (peak—peak)
Input Power
Input Power
0.05 GHz
0.5-2.0 GHz
For two-tone input power 0.05 GHz
up to +5 dBm
0.5-2.0 GHz
Units
dB
dB
dB
Min Typical Max
— — 2.2
— — 2.5
— — 2.9
± (0.25 +3% of attenuation setting in dB) dB
± (0.25 +3% of attenuation setting in dB) dB
or ± 0.4 dB, whichever is greater
—
—
nS
nS
mV
dBm
dBm
dBm
dBm
— — 1.6:1
— — 1.7:1
— 10
— 27
— 22
— +20
— +28
—
—
—
—
—
— +40
— +47
—
—
1. All specifications apply when operated with bias voltages of +5.0V for VCC and –5.0V to -8.0V for VEE, and 50 O impedance at
all ports unless otherwise specified.
2. Above reference insertion loss.
3. This attenuator is guaranteed monotonic.
4. VEE = -5.0V for the typical numbers given.
1 page | ||
| Páginas | Total 3 Páginas | |
| PDF Descargar | [ Datasheet AT-283.PDF ] | |
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