DAICO DA0944-10 Datasheet
Parameter Min Typ Max Units Conditions
Operating Frequency 5 1000 MHz
DC Current 0.4 1.0 mA At +5 VDC Supply
Control Type TTL 1 Line
Logic “0” = Thru
Logic “1” = Attenuation
Control Current
High
0 ±20 µA VIH = +3.0 V
Low
0 ±20 µA VIL = +0.5 V
Insertion Loss 0.9 1.2 dB 5 - 200 MHz
1.4 2.0 dB 200 - 1000 MHz
Attenuation
LSB
dB 10
Range
010dB
Accuracy
dB ± (0.25 dB +2% of Atten.
Setting in dB)
VSWR 1.2/1 1.35/1
Impedance 50 OHMS
Switching Speed 30 50 nSec 50% TTL to 90% / 10% RF
Transition (Rise/Fall) Time 20 nSec 10% / 90% - 90% / 10% RF
Switching (Video) Transients 45 mV Peak Value
Intercept Points
2nd
+73 dBm 70 MHz / 50 MHz
3rd
+48 dBm 35 MHz / 50 MHz
RF Power
Operate
+13 +10 dBm 0.1 dB Compression
No Damage
+30 dBm
Operating Temperature -55 +25 +125 °CTA
5
GND
••
•
•••
RF
OUT/IN
4
8
+5V
RF
IN/OUT
CONT ”0”
7
1236
CONTRASTING COLOR BEAD
.38
.15 TYP
.040
.12
8
5
4
1
PART
IDENTIFICATION
.100 TYP
.38
.015 ± .002 DIA
8 PLACES
VSWR
I. LOSS
I.L. (dB)
VSWR
1000400
100
4010
4
1
2.0
1.8
0.5
1.0
1.51.6
1.4
1.2
1.0 0
FREQUENCY (MHz)
3000
TYPICAL PERFORMANCE
at 25°C
MODEL NO.
DA0944-10
GaAs 1 Section Attenuator
FEATURES
5 - 1000 MHz
0.4 mA, +5 VDC
TTL Control
0.380 Sq. Package
1 BIT
GUARANTEED PERFORMANCE
DAICO Industries
Rev. A / Iss. 1
.xx = .02
.xxx = .010
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