參數(shù)資料
型號： AT107
英文描述： Digital Attenuator， 31.5 dB， 6-Bit， TTL Driver DC2 GHz
中文描述： 數(shù)字衰減器，31.5分貝，6位，DC2的千兆赫的TTL驅(qū)動器
文件頁數(shù)： 1/2頁
文件大?。?/td> 131K
代理商： AT107
Digital Attenuator, 31.5 dB, 6-Bit, TTL Driver
DC - 2 GHz
AT-107
V3.00
M/A-COM, Inc.
North America:
Tel. (800) 366-2266
Fax (800) 618-8883
I
Asia/Pacific: Tel. +81 (03) 3226-1671
Fax +81 (03) 3226-1451
I
Europe: Tel. +44 (1344) 869 595
Fax +44 (1344) 300 020
1
Specifications Subject to Change Without Notice.
Features
Attenuation: 0.5-dB Steps to 31.5 dB
2
Temperature Stability: ± 0.18 dB from -55°C to
+85°C Typical
Low DC Power Consumption
Hermetic Surface Mount Package
Integral TTL Driver
50
Nominal Impedance
G
Description
M/A-COM’s AT-107 is a GaAs FET 6-bit digital attenuator
with a 0.5-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.
Parameter
Reference Insertion Loss
Test Conditions
Units
dB
dB
dB
Min.
Typ.
Max.
3.2
3.6
4.0
DC - 0.5 GHz
DC - 1.0 GHz
DC - 2.0 GHz
DC - 1.0 GHz
DC - 2.0 GHz
DC - 1.0 GHz
Attenuation Accuracy
3,4
Any Single Bit
± (0.15 + 3% of attenuation setting in dB) dB
± (0.2 + 3% of attenuation setting in dB) dB
± (0.2 + 3% of attenuation setting in dB) dB
or ± 0.4 dB, whichever is greater
± (0.2 + 3% of attenuation setting in dB) dB
or ± 0.4 dB, whichever is greater
Any Combination of Bits
DC - 2.0 GHz
VSWR
Trise, Tfall
Ton, Toff
Transients
1 dB Compression
DC - 2.0 GHz
1.8:1
10% to 90%
nS
nS
mV
dBm
dBm
dBm
dBm
dBm
dBm
V
V
mA
9
45
40
+21
+29
+35
+48
+75
+79
5.0
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
5
0.05 GHz
0.5 - 2.0 GHz
0.05 GHz
0.5 - 2.0 GHz
0.05 GHz
0.5 - 2.0 GHz
Input IP
3
5
Input IP
2
5
V
CC
V
EE
I
CC
4.5
-8.0
5.5
-5.0
6.0
V
= 4.5 to 5.5 V
Vctl = 0 to 0.8 V, or V
CC
- 2.1 V to V
CC
V
EE
= -5.0 to -8.0 V
Logic 0 (TTL)
Logic 1 (TTL)
0 to 0.8 V
2.0 to 5.0 V
I
EE
Vctl
Vctll
mA
V
V
μA
μA
1.0
0.8
5.0
1.0
1.0
0.0
2.0
Input Leakage Current (Low)
Input Leakage Current (High)
1. All specifications apply when operated with bias voltages of +5 V for V
CC
and -5.0 V to -8.0 V for V
EE
, and 50
impedance at all ports unless otherwise specified.
2. Above reference insertion loss.
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 10 K
resistor, or an RF choke.
5. V
EE
= -5 V for the typical numbers given.
Electrical Specifications,
T
A
= -55°C to +85°C
ORIENTATION MARK
0.350
(8.89)
0.(1.27)
0.090 MAX
(2.29)
±
0.008
±
.002
0.650
Pin 1
Pin 1
0.120
0.115
11 EQUAL SPACES
@ .050 (1.27) Tol.
Non-Cumulative
0.050
(1.27)
24 Places
12
0.015
±
.003
(0.38
±
20.08)
24
Pin 24
0.050 (1.27)
Pin 12
11
(0.620
0.015
CR-13
Bottom of case is AC ground.
Dimensions in ( ) are in mm.
Unless otherwise noted:
.xxx
56
0.010 (.xx
56
0.25)
G
G
G
G
G
Bottom View
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AT-107PIN 制造商:MA-COM 制造商全稱:M/A-COM Technology Solutions, Inc. 功能描述:Digital Attenuator, 31.5 dB, 6-Bit, TTL Driver, DC - 2 GHz
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