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DA0984-1 Datasheet, PDF (1/1 Pages) DAICO Industries, Inc. – GaAs 4 Section Attenuator
F E AT U R E S
10 - 1000 MHz
MODEL NO.
0.8 mA, +5 VDC
1 dB LSB, 15 dB Range
DA0984-1
4 BIT
20 nSec Switching Speed
12 nSec Rise Time
GaAs 4 Section Attenuator
TTL Control
12 Pin TO-8 Package
See DA0784-1 For Surface Mount Package
PART
IDENTIFICATION
.55
DIA
RF
IN/OUT
7
8 dB
••
4 dB
••
2 dB
••
1 dB
••
RF
OUT/IN
3
.20
.25
.60
.100
TYP
.018±.002 DIA
12 PLACES
.200
TYP
12
1
45˚
.200
.400
2.2
3.0
TYPICAL PERFORMANCE
at 25°C
2.0
2.5
1.8
2.0
1.6
1.5
I.L. (dB)
1.4
1.0
1.2
0.5
VSWR
1.0
0
1
4
10
40 100
400 1000 3000
FREQUENCY (MHz)
2,4-6,8 9 10
GND +5V CONT 4
8 dB
"1"
11
CONT 3
4 dB
"0"
12
CONT 2
2 dB
"0"
1
CONT 1
1 dB
"0"
GUARANTEED PERFORMANCE
Parameter
Min Typ Max Units Conditions
Operating Frequency
10
1000 MHz
DC Current
0.8 2.0 mA At +5 VDC Supply
Control Type
TTL
4 Line
Logic “0” = Thru
Logic “1” = Attenuation
Control Current
High
0 ±20 µA VIH = +2.7 Volts
Low
0 ±20 µA VIL = 0.5 Volts
Insertion Loss
1.9 2.5 dB MHz
Attenuation
LSB
1
dB
Range
15
dB 1, 2, 4, 8
Accuracy
dB +0.15 dB +2% of Atten.
Setting in dB
-0.35 dB +2% of Atten.
Setting in dB
VSWR
1.2/1 1.6/1
Impedance
50
OHMS
Switching Speed
20 30 nSec 50% TTL - 90% / 10% RF
Transition (Rise/Fall) Time
12
nSec 10% / 90% - 90% / 10% RF
Switching (Video) Transients
48
mV Peak Value
Intercept Points
2nd
+54
dBm 70 MHz / 50 MHz
3rd
+38
dBm 35 MHz / 50 MHz
RF Power
Operate
+9 +6 dBm 0.1 dB Compression (<50 MHz)
+14 +10 dBm 0.1 dB Compression (>50 MHz)
No Damage
+23 dBm
Operating Temperature
-55 +25 +85 °C
TA
DAICO Industries
Rev. C / Iss. 1