DAICO DAT41994 Gaas 4 section attenuator Datasheet

F E AT U R E S
MODEL NO.
DAT419 9 4
DC - 2000 MHz
< 1 mA, ±5 VDC
3 dB LSB, 30 dB Range
30 nSec Switching Speed
TTL Control
24 Pin DIP
4 BIT
GaAs 4 Section Attenuator
PART IDENTIFICATION
"0"
"0"
CONT
CONT
3dB GND 6dB GND GND
24
23
22
21
20
1.27
.22
-5V
19
GND
18
+5V
17
"0"
"1"
CONT
CONT
GND 9dB GND 12dB
16
15
14
13
•
.18
.018±.002 DIA
24 PLACES
1.100
.100 TYP
•
• 3dB
• •
1
12
• •
.77
.600
24
13
1
RF1
•
•
•
6dB
9dB
12dB
• •
• •
• •
•
•
•
•
•
• •
2
3
4
5
6
7
8
9
10
11
GND GND GND GND GND GND GND GND GND GND
12
RF2
.xx = .02
.xxx = .010
CONTRASTING
COLOR BEAD
VSWR
I.L. (dB)
GUARANTEED PERFORM ANCE
2.0
5
1.8
4
Parameter
T YP I CA L P E R F OR MA NC E
Min Typ Max Units
Operating Frequency
DC Current
at 25 °C
DC
0.53
0.01
TTL
Control Type
Control Current
1.0
1.0
3.1
3
High
Low
1.6
3
Insertion Loss
Attenuation
I. LOSS
LSB
Range
1.4
2
1.2
1
±10
±10
4.0
30
Accuracy
VSWR
1.0
0
2000
30
3
0
1
4
10
40
100
400
1000
3000
VSWR
Impedance
Switching Speed
Transition (Rise/Fall) Time
Switching (Video) Transients
Intercept Points
2nd
1.25/1
50
30
10
30
+68
+32
+20
3rd
FREQUENCY (MHz)
RF Power
Operate
No Damage
Operating Temperature
DA I C O In d u s t r i e s
-55
+25
MHz
mA
mA
µA
µA
dB
dB
dB
dB
Conditions
At +5 VDC Supply
At -5 VDC Supply
4 Line
Logic “1” = Attenuation
VIH = +5.0 V
VIL = 0 V
3, 6, 9, 12
± (0.25 dB +3% of Atten.
Setting in dB)
1.7/1
50
+10
+17
+125
OHMS
nSec
nSec
mV
dBm
dBm
dBm
dBm
°C
50% TTL to 90% / 10% RF
90% / 10% or 10% / 90% RF
Peak Value
1700 / 700 MHz
850 / 750 MHz
0.1 dB Compression @ 10 MHz
TA
Rev. N/D / Iss. 1
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