DA0857 Datasheet, PDF (1/1 Pages) DAICO Industries, Inc. – GaAs 5 Section Attenuator

F E AT U R E S
10 - 1000 MHz
1 mA, +5 VDC
2 dB LSB, 62 dB Range
5 BIT
38 nSec Switching Speed
12 nSec Transition Time
TTL Control
24 Pin DIP
See DA0757 for Surface Mount Version
MODEL NO.
DA0857
GaAs 5 Section Attenuator
.20
.20
PART IDENTIFICATION
1.27
1.100
.100 TYP
.018±.002 DIA
24 PLACES
1
.600
24
12
.77
13
CONTRASTING
COLOR BEAD
.xx = .02
.xxx = .010
2.2 12.0
TYPICAL PERFORMANCE
at 25°C
2.0 10.0
1.8
8.0
1.6
6.0
1.4
4.0
1.2
2.0
I. LOSS
VSWR
1.0
0
1
5 10
50 100
500 1000 3000
FREQUENCY (MHz)
RF
RF
IN/OUT GND GND GND GND GND GND GND GND GND GND IN/OUT
24 23 22 21 20 19 18 17 16 15 14 13
• • ••• • • • •
••
•
••
•
••
•
••
•
••
•
•
••
1
2
3
4
5
6
7
8
9 10 11 12
+5V GND GND N/C 32DB 2DB 4DB 8DB 16DB GND GND GND
"0" "0" "1" "0" "0"
N/C = NO INTERNAL CONNECTION
GUARANTEED PERFORMANCE
Parameter
Min Typ Max Units Conditions
Operating Frequency
10
1000 MHz
DC Current
1
5 mA At +5 VDC Supply
Control Type
TTL
5 Line
Logic “0” = Thru
Logic “1” = Attenuation
Control Current
High
0 ±40 µA VIH = +3.0 V
Low
0 ±40 µA VIL = +0.5 V
Insertion Loss
4.0 5.2 dB 10 - 100 MHz
5.6 7.0 dB 100 - 1000 MHz
Attenuation
LSB
2
dB
Range 0
62 dB 2, 4, 8, 16, 32
Accuracy
dB ± (0.25 dB ± 2% of Atten.
Setting in dB)
VSWR
1.2/1 1.4/1
Impedance
50
OHMS
Switching Speed
32 50 nSec 50% TTL to 90% / 10% RF
Transition (Rise/Fall) Time
18
nSec 90% / 10% or 10% / 90% RF
Switching (Video) Transients
215
mV Peak Value
Intercept Points
2nd
+65
dBm 70 MHz / 50 MHz
3rd
+44
dBm 35 MHz / 50 MHz
RF Power
Operate
+13 +10 dBm 0.1 dB Compression
No Damage
+27 dBm
Operating Temperature -55 +25 +125 °C TA
DAICO Industries
Rev. A / Iss. 1