s7.P ^\/ t CAUTION SENSlTlVE ELECTRONIC DEVICES DO   NOT    SHIP    OR   STORE NEAR STRONG ELECTROSTATIC, ELECTROMAGNETIC, MAGNETIC, OR   RADlOACflVE FIELDS CAUTION CONTENTS SUBJECT TO   DAMAGE BY STATIC ELECTRICITY DO   NOT     OPEN UNLESS APPROVED STATIC CONTROL PRECAUTIONS ARE     OBSEAVED CAUTION - - THIS EQUIPMENT CONTAINS ASSEMBLIES SUBJECT TO DAMAGE BY     STATIC ELECTRICITY. USE APPROVED GROUNDING PROCEDURES BEFORE TOUCH. ING, REMOVING, OR INSERTING PRINTED WIRING AS- SEMBLIES. Figure  10.lbESDS  markings. REVIEW QUESTIONS Q5. Ql. What     causes    internally generated noise    in    a receiver? Q6. Q2. Atmospheric static produces what indication on   a  visual output device? Q7. Q3. What    is   the   definition of  a  nonlinear device? Q4. What is the crossover frequency of a     4uF Q8. capacitor with 2-inch leads? A bonding jumper should not exceed     how many     inches    in    length? What   problems can   arise    if   the   ESD    program is   not   implemented? What    voltage     level    can   be built up   by  walking across   a  carpet    in   low    humidity? What are the two types of    ESD-protective material? 10.19