FEATURES
5 BIT
.30
.48
HOUSING ASTMF-15 ALLOY
GOLD PLATE PER MIL-G-45204
.15 ± .05
.60
1.20
600 - 1400 MHz
34 mA, +5 VDC
+44 dBm 3rd Order Intercept
2.8 dB Insertion Loss
1 dB LSB, 31 dB Range
TTL Control
Replaceable SMA Connectors
BASE: 6061-T6 ALUM ALLOY
ALODINE 1200, GOLD (CHEM
FILM PER MIL-C-5541CL3)
SMA FEMALE
2.00
E2E3E4
2 PLACES
E5
J2
.025 DIA
7 PLACES
.38
TYP
.10
1.000
TYPE III, GR.A
.40
+5V
J1
6 EQ SPACES
AT .20
E1
GND
MODEL NO.
CDA0666
PIN Diode 5 Section Attenuator
J1
16 dB 1 dB 2 dB 4 dB 8 dB
•• •• •• •• ••
•••••
+5V
16 dB 1 dB 2 dB 4 dB
"0" "0" "0" "0"
E5E4E3E2E1
8 dB
"0"
J2
GND
VSWR
2.2
2.0
1.8
1.6
1.4
1.2
1.0 0
.10
.xx = .02
.xxx = .010
TYPICAL PERFORMANCE
I.L. (dB)
6.0
5.0
4.0
3.0
2.0
1.0
100
1.800
2 - 56 THD INSERT (SCREW LOCKING)
2 THD DIA LONG (.17) .19 MAX. SCREW
DEPTH, 4 PLACES, FARSIDE
at 25°C
400
FREQUENCY (MHz)
PART IDENTIFICATION
I. LOSS
VSWR
1000 3000
GUARANTEED PERFORMANCE
Parameter Min Typ Max Units Conditions
Operating Frequency 600 1400 MHz
DC Current 34 50 mA At +5 VDC Supply
Control Type TTL 5 Line
Control Current
High
Low
0 ±5 µA VIH = +2.7 V
0 ±5 µA VIL = +0.5 V
Insertion Loss 2.5 4.5 dB
Attenuation
LSB
Range
Accuracy
1dB
031dB1, 2, 4, 8, 16
VSWR 1.2/1 1.7/1
Impedance 50 OHMS
Switching Speed 0.2 1 µSec 50% TTL to 90% / 10% RF
Transition (Rise/Fall) Time 0.15 µSec 90% / 10% or 10% / 90% RF
Switching (Video) Transients 340 mV Peak Value
Intercept Points
RF Power
2nd
3rd
Operate
No Damage
+60 +75 dBm 300 MHz / 720 MHz
+30 +44 dBm 850 MHz / 700 MHz
+23 +20 dBm 0.1 dB Compression
+27 dBm
Operating Temperature -55 +25 +125 °CTA
Logic “0” = Thru
Logic “1” = Attenuation
dB ± (0.25 dB +2% of Atten.
Setting in dB)
DAICO I ndustries
Rev. A / Iss. 1