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