Transcript
F E AT U R E S
MODEL NO. 100D1797
45 - 70 MHz High Isolation 30 nSec Switching Speed Integrated SPST Blanking Switch, Bi-Phase Modulators, and Digital Attenuators High Pass Filters for Reduced Transients 0.5 dB LSB / 127.5 dB Attention Range TTL Control
HDI
Modulator Sub-Assembly
PART IDENTIFICATION BI-PHASE MODULATOR (MOD - 2)
4.00 ±.03
SPST SWITCH (SW.1)
J3
CONNECTOR, 37 PIN M24308/3-4
BI-PHASE MODULATOR (MOD - 3)
CONNECTOR, SMA FEMALE 3 PLACES
GUARANTEED PERFORM ANCE
.xx = .02 .xxx = .010
VSWR
I.L. (dB)
ISO (dB)
Parameter
60
T YP I CA L P E R F OR MA NC E at 25 ° C
Min Typ Max Units
Operating Frequency DC Current Control Type
45 1 TTL
70 2
MHz A
±200 ±200 20 ±0.5 ±2
µA µA dB dB DEG dB dB dB dB dB
ISO
Control Current
High Low
1.6
30
Insertion Loss
45
Balance Between Channels Phase Difference
Isolation 1.4
20
70 40
30
Attenuation
I. LOSS
LSB Range
1 -60 16 0.1 +0.4 83 43 0.5
0
127.5
Accuracy 1.2
10
VSWR
15
0
0 20
40
100
400
1.2/1 1.4/1 50 30 20 +38 +10 +14
Input Output
VSWR
1.0
J3
2-WAY PWR DIVIDER (P1)
8 BIT ATTENUATOR .5dB 127.5 dB LSB RANGE
J4
.19
40
BI-PHASE MODULATOR (MOD 1)
12.00 ±.03 PIN 1
1.30 MAX
1.8
30 MHz HI-PASS FILTER
5.00 J1
3.50 TYP
J2
8 BIT ATTENUATOR .5dB 127.5 dB LSB RANGE
J2 J1
30 MHz HI-PASS FILTER
1000
Impedance Switching Speed Transition (Rise/Fall) Time Intercept Points 2nd 3rd
FREQUENCY (MHz)
RF Power
Operate No Damage
Operating Temperature
DA I C O In d u s t r i e s
0
+25
1.3/1 1.6/1 50
+10 +27 +60
OHMS nSec nSec dBm dBm dBm dBm °C
Conditions At +5 VDC Supply 20 Line Switch Modulator “1” = Thru “0” = Off Phase Modulator “1” = 0 DEG “0” = 180° Attenuation Bits “1” = ATTN “0” = Thru VIH = +2.7V VIL = +0.5V
Insertion Loss State J1 - J2, J1- J3 (SW1 Off) J2 - J3 0.5, 1, 2, 4, 8, 16, 32, 64 ±(0.15 + 2% of Atten. Setting in dB) J1, Input J2, J3 Outputs 50% TTL to 90% / 10% RF All SW., Mods, + Bits 40 MHz / 30 MHz 20 MHz / 30 MHz 0.1 dB Compression TA
Rev. A / Iss. 1
