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AT20-0107TR fiches techniques PDF

Tyco Electronics - Digital Attenuator/ 31.5 dB/ 6-Bit/ TTL Driver/ DC - 2.0 GHz

Numéro de référence AT20-0107TR
Description Digital Attenuator/ 31.5 dB/ 6-Bit/ TTL Driver/ DC - 2.0 GHz
Fabricant Tyco Electronics 
Logo Tyco Electronics 





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AT20-0107TR fiche technique
Digital Attenuator, 31.5 dB, 6-Bit,
TTL Driver, DC - 2.0 GHz
V 4.00
Features
n Attenuation: 0.5 dB Steps to 31.5 dB1
n Temperature Stability: ±0.18 dB from –40ºC to +85ºC
Typ.
n Low DC Power Consumption
n Surface Mount Package
n Integral TTL Driver
n High Intercept Point
n Low Cost/High Performance
Description
M/A-COM's AT20-0107 is a GaAs FET 6-bit digital
attenuator with a 0.5 dB minimum step size and a 31.5 dB
total attenuation. This attenuator and integral TTL driver is
in a ceramic 24-lead surface mount package. The AT20-
0107 is ideally suited for use where accuracy, fast speed,
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. Available with enhanced perform-
ance as fully hermetic version. Environmentally screenable
as P/N AT-107.
CR-13
Electrical Specifications2: TA = +25°C
Parameter
Insertion Loss
Attenuation Accuracy3,4
VSWR
Trise, Tfall
Ton, Toff
Transients
1 dB Compression 5
Input IP3 5
Input IP2 5
Vcc
-Vee
Icc
-Iee
Test Conditions
Any Bit or Combination of Bits
Full Range
10% to 90%
50% Control to 90%/10% RF
In-band (peak to peak)
Input Power
Input Power
Two Tone Inputs up to +5 dBm
Two Tone Inputs up to +5 dBm
Vcc = 4.5 to 5.5V
-Vee = -5.0 to -8.0V
Frequency
DC - 2.0 GHz
DC - 2.0 GHz
Units
dB
dB
Min
DC - 2.0 GHz
50 MHz
0.5 - 2.0 GHz
50 MHz
0.5 - 2.0 GHz
50 MHz
0.5 - 2.0 GHz
Ratio
nS
nS
mV
dBm
dBm
dB
dB
dB
dB
V
V
mA
mA
4.5
-8.0
Typ.
3.2
Max
3.8
— +(.3 +7% of atten.)
-(.2 +1% of atten.)
— 1.8:1
50 —
150 —
50 —
+21 —
+29 —
+35 —
+48 —
+75 —
+79 —
5.0 5.5
— -5.0
— 6.0
— 1.0
1. Above reference insertion loss.
2. All specifications apply when operated with bias voltages of +5V for VCC and –5.0 V to –8.0 V for VEE and 50O impedance at all
ports unless otherwise stated.
3. This attenuator is guaranteed monotonic.
4. For the attenuator to meet the guaranteed specifications, it is necessary to have a DC return on either RF1 or RF2. The DC
return can be either a 10KO resistor, or an RF choke.
5. VEE = -5 V for the typical numbers given.

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