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AT-107 PDF 데이터시트 : 부품 기능 및 핀배열

부품번호 AT-107
기능 Digital Attenuator/ 31.5 dB/ 6-Bit/ TTL Driver/ DC - 2 GHz
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AT-107 데이터시트, 핀배열, 회로
Digital Attenuator, 31.5 dB, 6-Bit,
TTL Driver, DC - 2 GHz
V 4.00
Features
n Attenuation: 1 dB steps to 31.5 dB
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 Ohm Nominal Impedance
Description
M/A-COM’s AT-107 is a GaAs FET 6-bit digital attenuator
with a 1 dB minimum step size and 31.5 dB total
attenuation. This attenuator and integral TTL driver is in a
hermetically sealed ceramic 24-lead surface mount package.
The AT-107 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.
CR-13
Electrical Specifications: TA = -55°C to +85°C 1
Parameter
Reference Insertion Loss
Attenuation Accuracy 2
VSWR
Trise, Tfall
Ton, Toff
Transients
1 dB Compression
Input IP3
Input IP2
Test Conditions
Any Single Bit
Any Combination of Bits
10% to 90%
50% Control to 90/10% RF
In-Band (peak-peak)
Input Power
Input Power
For two-tone Input Power
Up to +5 dBm
For two-tone Input Power
Up to +5 dBm
Frequency
DC - 0.5 GHz
DC - 1.0 GHz
DC - 2.0 GHz
DC - 1.0 GHz
DC - 2.0 GHz
DC - 1.0 GHz
DC - 2.0 GHz
DC - 2.0 GHz
0.05 GHz
0.5 - 2.0 GHz
0.05 GHz
0.5 - 2.0 GHz
0.05 GHz
0.5 - 2.0 GHz
Units Min
Typ Max
dB —
dB —
dB —
— 3.2
— 3.6
— 4.0
± (0.15 +3% of atten. setting in dB) dB
± (0.2 +3% of atten. setting in dB) dB
± (0.2 +3% of atten. setting in dB) dB
or ± 0.4 dB, whichever is greater
± (0.2 +3% of atten. setting in dB) dB
or ± 0.4 dB, whichever is greater
Ratio
— 1.8:1
ns —
9—
ns —
45 —
mV —
40 —
dBm
dBm
+21 —
+29 —
dBm
dBm
+35 —
+48 —
dBm
dBm
+75 —
+79 —
1. All specifications apply when operated with bias voltages of +5V for Vcc and –5.0V for Vee.
2. This attenuator is guaranteed monotonic.






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