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MODEL NO.
DPB0938
GaAs Bi-Phase Modulator
FEATURES
10 - 500 MHz
±1 Deg. Phase Accuracy
0.3 mA, +5 VDC
1.0 dB Insertion Loss
35 nSec Transition Time
50 nSec Switching Speed
22 mV Transients
TTL Control
TO-8 Package
BPM
DAICO I ndustries
Rev. B / Iss. 1
.25
.27
1
12
PART
IDENTIFICATION
12 PLACES
.60
TYP
TYP
.400
.200
.100
.200
45˚
.55
DIA
0.18 DIA
VSWR
I. LOSS
TYPICAL PERFORMANCE
at 25°C
I.L. (dB)
PHASE
DEVIATION
(DEG.)
VSWR
10004001004010
4
1
+4.0
4.0
1.8
+2.0
0
-2.0
1.0
2.0
3.01.6
1.4
1.2
1.0
0 -4.0
FREQUENCY (MHz)
3000
PHASE
DEV.
4
67
9
GND
31
10
12 11 8
180°
0°
CONT
“0”
+5V
•••••••
5
RF
OUT
2
RF
IN
Parameter Min Typ Max Units Conditions
Operating Frequency 10 500 MHz
DC Current 0.3 2 mA At +5 VDC Supply
Control Type TTL 1 Line
Logic “1” = Phase Reversal
Control Current
High
0 ±20 µA VIH = +3.0 V
Low
0 ±20 µA VIL = +0.6 V
Insertion Loss 1.0 1.5 dB 10 - 100 MHz
1.8 2.5 dB 100 - 500 MHz
Phase
Step
180 DEG
Accuracy
±1.0 ±3.0 DEG
VSWR 1.25/1 1.4/1
Impedance 50 OHMS
Switching Speed 50 70 nSec 50% TTL to 90% / 10% RF
Transition (Rise/Fall) Time 35 50 nSec 90% / 10% or 10% / 90% RF
Switching (Video) Transients 22 50 mV Peak Value
Intercept Points
2nd
+80 dBm 70 MHz / 50 MHz
3rd
+51 dBm 35 MHz / 50 MHz
RF Power
Operate
+17 +13 dBm 0.1 dB Compression
No Damage
+23 dBm
Operating Temperature -55 +25 +85 °CTA
GUARANTEED PERFORMANCE
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