Spea

r3 R

F Sy

stem

S

am P

ark

11/0

6/20

03

Spea

r3 R

F S

yste

mSp

ear3

RF

Sys

tem

•R

F R

equi

rem

ent

•O

vera

ll Sy

stem

•H

igh

Pow

er C

ompo

nent

s

•O

pera

tion

and

Con

trol

Spea

r3 R

F Sy

stem

S

am P

ark

11/0

6/20

03

1996

Low

em

itta

nce

latt

ices

exp

lore

d19

96

SPE

AR

3 p

ropo

sed

11/9

7SP

EA

R 3

des

ign

stud

y te

am f

orm

ed11

/97

Dir

ecto

r’s

Rev

iew

07/9

8D

OE

Leh

man

Rev

iew

FY

99D

OE

BE

S an

d N

IH d

iscu

ss jo

int f

undi

ng11

/98

Act

ive

cavi

ty a

nd W

G a

rcin

g01

/99

Add

ition

al f

undi

ng f

or N

EW

RF

(476

.3 M

Hz)

04/9

9A

ctiv

e R

FHV

PS f

ailu

re.

01/0

0C

aviti

es o

rder

ed (

Rec

eive

d 05

/03)

03/0

0K

lyst

ron

orde

red

(Rec

eive

d 08

/01,

Rep

aire

d 05

/03)

05/0

12.

5 M

W P

S or

dere

d (R

ecei

ved

01/0

2)11

/01

Cir

cula

tor

orde

red

(Rec

eive

d 11

/01)

02/0

2W

G p

arts

ord

ered

(R

ecei

ve 0

4/02

)03

/02

LL

RF

wor

k in

pro

gres

s04

/03

Inst

alla

tion

(6 m

onth

s)12

/03

Com

mis

sion

ing

(3 m

onth

s)03

/04

Use

r B

eam

(3.

0 G

eV, 1

00 m

A, 1

8 nm

-rad

)

SPE

AR

3 H

isto

rySP

EA

R 3

His

tory

Spea

r3 R

F Sy

stem

S

am P

ark

11/0

6/20

03

Ele

ctro

n B

eam

Ene

rgy

Los

sE

lect

ron

Bea

m E

nerg

y L

oss

due

to S

ynch

rotr

on R

adia

tion

due

to S

ynch

rotr

on R

adia

tion

Ene

rgy

loss

at b

end

mag

nets

U0-

bend

(keV

/turn

) =

88.

5*(E

b/G

eV)4 /

(ρ/m

)

Ene

rgy

loss

at i

nser

tion

devi

ce

U0-

ID(k

eV/tu

rn)

= 0

.633

*(E

b/G

eV)2 *

<(B

/T)2 >

*(L

/m)2

whe

re <

B>

is th

e rm

s m

agne

tic f

ield

of

the

pole

and

L is

the

inse

rtio

n de

vice

leng

th

With

bea

m e

nerg

y E

b=3.

0GeV

, ben

d ra

dius

ρ=

7.86

m,

tota

l bea

m p

ower

loss

is 1

.16M

V*5

00m

A=

510

kW

in 2

003,

and

1.3

3MV

*500

mA

=66

5 kW

in 2

012

as th

e in

sert

ion

devi

ces

are

adde

d on

.

Spea

r3 R

F Sy

stem

S

am P

ark

11/0

6/20

03

Spea

r 3

Bea

m L

ifet

ime

Spea

r 3

Bea

m L

ifet

ime

Spea

r3 R

F Sy

stem

S

am P

ark

11/0

6/20

03

Spea

r 3

RF

Ins

talla

tion

Spea

r 3

RF

Ins

talla

tion

Spea

r3 R

F Sy

stem

S

am P

ark

11/0

6/20

03

SPE

AR

3 O

vera

ll Sy

stem

SPE

AR

3 O

vera

ll Sy

stem

Spea

r3 R

F Sy

stem

S

am P

ark

11/0

6/20

03

Kly

stro

n (R

epai

red

Mar

coni

)K

lyst

ron

(Rep

aire

d M

arco

ni)

•M

axim

um R

F Po

wer

: P r

f=

1.2

MW

•B

eam

Pow

er :

P b=

Vb*

I b=

82

kV *

23.

5 A

= 1

.93

MW

•M

icro

perv

eanc

e µ

P =

Ib/

Vb1.

5*

106

= 1

.00

•E

ffic

ienc

y η

= P r

f/Pb

= 6

2%

•G

ain

A =

10*L

og10

(Prf/P

driv

e) =

45

dB

•D

rive

am

plif

ier

pow

er P

driv

e=

40

W

•C

atho

de h

eate

r po

wer

Ph =

110V

ac*5

.2A

= 5

70 W

•Fo

cusi

ng m

agne

t pow

er P

m=

70.

2V*4

7.5A

= 3

.33k

W

•N

o bu

ckin

g co

il po

wer

•L

CW

flo

w f

or 1

.5M

W :

275

gpm

, 150

psi

, 32

±1 o C

•2

Vac

Ion

pum

ps, 8

L/s

eac

h

Spea

r3 R

F Sy

stem

S

am P

ark

11/0

6/20

03

SPE

AR

3 K

lyst

ron

SPE

AR

3 K

lyst

ron

•Sp

ear3

kly

stro

n fr

om M

arco

ni•

Tha

t kly

stro

n w

as lo

aned

to P

EP2

•T

he k

lyst

ron

faile

d, a

nd r

ebui

lt by

PC

I•

SLA

C K

lyst

ron

Dep

t to

prod

uce

4 kl

ystr

ons

•T

hose

SL

AC

kly

stro

ns h

ave

high

er p

ower

cap

abili

ty

No.

Kly

stro

nD

ate

faile

dFi

l. H

rsFa

ilure

type

Rem

edy

1P

hilip

s #5

09/2

5/00

14,1

02H

eate

r sh

ort

Reb

uilt

at C

PI

2P

hilip

s #5

03/2

9/01

13,8

95A

node

dis

loca

tion

3P

hilip

s #5

05/2

2/01

5,74

0A

node

dis

loca

tion

Reb

uilt

at S

LA

C

4M

arco

ni #

307

/17/

011,

350

Vac

uum

leak

(u

p to

10

mA

pum

p cu

rren

t)R

ebui

lt at

CP

I

5M

arco

ni #

207

/26/

014,

730

Vac

uum

leak

(up

to

60

mA

pum

p cu

rren

t)R

ebui

lt at

CP

I

Phili

ps/E

EV

/Mar

coni

Kly

stro

n E

xper

ienc

e at

SL

AC

Spea

r3 R

F Sy

stem

S

am P

ark

11/0

6/20

03

Mar

coni

Kly

stro

nM

arco

ni K

lyst

ron

Spea

r3 R

F Sy

stem

S

am P

ark

11/0

6/20

03

AT

F C

ircu

lato

r Sp

ecif

icat

ion

AT

F C

ircu

lato

r Sp

ecif

icat

ion

T

ype:

YT

ype:

Y-- J

unct

ion

3Ju

nctio

n 3 --

port

Cir

cula

tor

port

Cir

cula

tor

Fr

eque

ncy

: 476

Fr

eque

ncy

: 476

± 1

0 M

Hz

Fo

rwar

d Po

wer

: 1.

2 M

W c

wFo

rwar

d Po

wer

: 1.

2 M

W c

w

R

ever

se P

ower

: 1.

2 M

W c

wR

ever

se P

ower

: 1.

2 M

W c

w

In

sert

ion

Los

s : <

0.1

dB

(In

sert

ion

Los

s : <

0.1

dB

(V

SWR

: <1

.1, p

ower

ref

lect

ion

<0.

25%

)

Is

olat

ion

: > 2

6 dB

(>1

4 dB

in

Isol

atio

n : >

26

dB (

>14

dB in

± 1

0 M

Hz)

C

oolin

g L

CW

: >

26 g

pm (

150

psig

, 25~

40o C

, nom

inal

35

± 1o C

)

M

ount

ing

Ori

enta

tion

: any

Spea

r3 R

F Sy

stem

S

am P

ark

11/0

6/20

03

AF

T C

ircu

lato

rA

FT

Cir

cula

tor

Spea

r3 R

F Sy

stem

S

am P

ark

11/0

6/20

03

C

oola

nt :

HC

W (

0.75

% C

orr

Coo

lant

: H

CW

(0.

75%

Cor

r --Sh

ield

by

volu

me

to L

CW

)Sh

ield

by

volu

me

to L

CW

)

C

oola

nt s

uppl

y : 1

50 p

sig,

10~

70

Coo

lant

sup

ply

: 150

psi

g, 1

0~70

oo CC

C

oola

nt r

etur

n : 1

5 ps

ig, <

80C

oola

nt r

etur

n : 1

5 ps

ig, <

80oo CC

C

oola

nt d

uct :

Tef

lon

tubi

ngC

oola

nt d

uct :

Tef

lon

tubi

ng

Fr

eque

ncy

: 476

Fr

eque

ncy

: 476

±10

MH

z10

MH

z

P

ower

: <1

.2 M

W a

vera

ge (

<2.

0 M

W p

eak

for

100

Pow

er :

<1.2

MW

ave

rage

(<

2.0

MW

pea

k fo

r 10

0 µµ s

)s)

V

SWR

: <

1.05

(re

flec

ted

pow

er <

0.0

6%)

VSW

R :

<1.

05 (

refl

ecte

d po

wer

< 0

.06%

)

R

F L

eaka

ge :

< 0

.1 m

W/c

mR

F L

eaka

ge :

< 0

.1 m

W/c

m22

L

engt

h : 9

.5 f

eet o

vera

llL

engt

h : 9

.5 f

eet o

vera

ll

A

ir p

ress

ure

: <0.

5 ps

ig (

0.25

psi

g no

min

al)

Air

pre

ssur

e : <

0.5

psig

(0.

25 p

sig

nom

inal

)

Wat

er L

oad

Spec

ific

atio

nW

ater

Loa

d Sp

ecif

icat

ion

Spea

r3 R

F Sy

stem

S

am P

ark

11/0

6/20

03

Wat

er L

oad

Wat

er L

oad

Spea

r3 R

F Sy

stem

S

am P

ark

11/0

6/20

03

HC

W S

tatio

n be

hind

Boo

ster

HC

W S

tatio

n be

hind

Boo

ster

Spea

r3 R

F Sy

stem

S

am P

ark

11/0

6/20

03

O

utpu

t DC

pow

er :

90 k

V*

27A

=2.4

3 M

W

Out

put D

C p

ower

: 90

kV

* 27

A=2

.43

MW

Cor

resp

onds

to m

icro

perv

eanc

e of

1.0

0 C

orre

spon

ds to

mic

rope

rvea

nce

of 1

.00

and

2.43

* 0

.62

= 1

.50

MW

RF

pow

eran

d 2.

43 *

0.6

2 =

1.5

0 M

W R

F po

wer

In

put A

C p

ower

: 12

.47

kV li

neIn

put A

C p

ower

: 12

.47

kV li

ne-- t

oto-- l

ine,

127

A p

er p

hase

lin

e, 1

27 A

per

pha

se

Pow

er s

uppl

y ef

fici

ency

= 2

430/

(1.7

3*12

7*12

.47)

= 0

.89

Pow

er s

uppl

y ef

fici

ency

= 2

430/

(1.7

3*12

7*12

.47)

= 0

.89

Low

er e

ffic

ienc

y at

low

er o

utpu

t vol

tage

/pow

erL

ower

eff

icie

ncy

at lo

wer

out

put v

olta

ge/p

ower

N

ew f

ilter

ing

capa

cito

rs b

y G

ener

al A

tom

ics

New

filt

erin

g ca

paci

tors

by

Gen

eral

Ato

mic

s

L

ight

trig

gere

d cr

owba

r SC

R’s

Lig

ht tr

igge

red

crow

bar

SCR

’s

L

ess

than

0.5

Jou

les

to th

e kl

ystr

on in

cas

e of

arc

ing

Les

s th

an 0

.5 J

oule

s to

the

klys

tron

in c

ase

of a

rcin

g

at 8

0 kV

per

sw

ingi

ng b

all t

est o

f cr

owba

rat

80

kV p

er s

win

ging

bal

l tes

t of

crow

bar

RF

HV

Pow

er S

uppl

y Sp

ecif

icat

ion

RF

HV

Pow

er S

uppl

y Sp

ecif

icat

ion

Spea

r3 R

F Sy

stem

S

am P

ark

11/0

6/20

03

RF

HV

Pow

er S

uppl

y Sc

hem

atic

RF

HV

Pow

er S

uppl

y Sc

hem

atic

Spea

r3 R

F Sy

stem

S

am P

ark

11/0

6/20

03

Spea

r3 R

FH

V P

ower

Sup

ply

Spea

r3 R

FH

V P

ower

Sup

ply

Spea

r3 R

F Sy

stem

S

am P

ark

11/0

6/20

03

Spea

r3 R

FH

V P

ower

Sup

ply

Gro

undi

ng T

ank

Spea

r3 R

FH

V P

ower

Sup

ply

Gro

undi

ng T

ank

Spea

r3 R

F Sy

stem

S

am P

ark

11/0

6/20

03

RF

HV

PS

Swin

ging

Bal

l Tes

tR

FH

V P

S Sw

ingi

ng B

all T

est

Spea

r3 R

F Sy

stem

S

am P

ark

11/0

6/20

03

Fr

eque

ncy

476.

3 M

Hz

(dif

fere

nt f

rom

PE

P2 4

76.0

MH

z)Fr

eque

ncy

476.

3 M

Hz

(dif

fere

nt f

rom

PE

P2 4

76.0

MH

z)

Sh

unt I

mpe

danc

e R

Shun

t Im

peda

nce

Raa

= V

= V

gg22/P/P

rfrf=

7.6

2 M

= 7

.62

MΩ

Ω

(95

kW f

or 0

.85

MV

)(9

5 kW

for

0.8

5 M

V)

A

ccel

erat

ion

fiel

d ~

3.9

MV

/mA

ccel

erat

ion

fiel

d ~

3.9

MV

/m

C

oupl

ing

Cou

plin

g ββ

= 1

+P

= 1

+P

bb/P/P

cc=

3.8

(hi

gh r

efle

ctio

n at

low

er c

urre

nt)

= 3

.8 (

high

ref

lect

ion

at lo

wer

cur

rent

)

W

indo

w p

ower

<41

0 kW

, Wal

l pow

er <

80

W/c

mW

indo

w p

ower

<41

0 kW

, Wal

l pow

er <

80

W/c

m22

3

high

pow

er H

OM

load

s at

eac

h of

4 c

aviti

es3

high

pow

er H

OM

load

s at

eac

h of

4 c

aviti

es

O

ne H

OM

filt

er p

er c

avity

at t

he w

aveg

uide

cou

pler

One

HO

M f

ilter

per

cav

ity a

t the

wav

egui

de c

oupl

er

Sim

ilar

filte

rs w

ere

used

at S

pear

2Si

mila

r fi

lters

wer

e us

ed a

t Spe

ar2

O

ne m

ovab

le tu

ner

per

cavi

tyO

ne m

ovab

le tu

ner

per

cavi

ty

C

oupl

er w

indo

w te

mpe

ratu

re is

mon

itore

d by

IR

sen

sor

Cou

pler

win

dow

tem

pera

ture

is m

onito

red

by I

R s

enso

r

Q

~ 3

0,00

0 at

ope

ratin

g te

mpe

ratu

re (

Fill

time

is Q

/Q

~ 3

0,00

0 at

ope

ratin

g te

mpe

ratu

re (

Fill

time

is Q

/ ωω~1

0 ~1

0 µµ s

)s)

If

RF

is tu

rned

off

on

orbi

t int

erlo

ck tr

ip, b

eam

is lo

st in

~30

If R

F is

turn

ed o

ff o

n or

bit i

nter

lock

trip

, bea

m is

lost

in ~

300 0

µµ s s

Spea

r3 R

F C

avity

Cha

ract

eris

tics

Spea

r3 R

F C

avity

Cha

ract

eris

tics

Spea

r3 R

F Sy

stem

S

am P

ark

11/0

6/20

03

Spea

r3 R

F C

avity

Ass

embl

ySp

ear3

RF

Cav

ity A

ssem

bly

Spea

r3 R

F Sy

stem

S

am P

ark

11/0

6/20

03

Spea

r3 R

F C

avity

Ass

embl

ySp

ear3

RF

Cav

ity A

ssem

bly

Spea

r3 R

F Sy

stem

S

am P

ark

11/0

6/20

03

Cav

ities

in th

e W

est S

trai

ght

Cav

ities

in th

e W

est S

trai

ght

Spea

r3 R

F Sy

stem

S

am P

ark

11/0

6/20

03

Cav

ities

in th

e W

est S

trai

ght

Cav

ities

in th

e W

est S

trai

ght

Spea

r3 R

F Sy

stem

S

am P

ark

11/0

6/20

03

HO

M lo

ad p

late

, wat

er-c

oole

d

HO

M lo

ad a

t E-

and

H-m

itre

LC

W f

low

is 6

gal

lons

per

min

ute.

No

appr

ecia

ble

∆T is

det

ecte

d,

but t

he f

low

is in

terl

ocke

d.

Mat

rix

of 1

.0 in

ch s

quar

e fe

rrit

e til

es. T

hey

are

soft

-so

lder

ed o

nto

a co

pper

pla

te.

Coo

ling

cha

nnel

s w

ere

dril

led

out

from

a s

olid

cop

per

plat

e.

Spea

r3 R

F Sy

stem

S

am P

ark

11/0

6/20

03

Mov

able

Tun

er b

elow

the

Cav

ityM

ovab

le T

uner

bel

ow th

e C

avity

Spea

r3 R

F Sy

stem

S

am P

ark

11/0

6/20

03

Mov

able

Tun

er T

unin

g R

ange

Mov

able

Tun

er T

unin

g R

ange

y =

3.4

769E

-06x

3 +

3.8

603E

-04x

2 +

1.9

154E

-02x

- 2

.264

9E-0

1

R2 =

9.9

982E

-01,

y =

δf re

s, x

= tu

ner

posi

tion

-0.6

-0.4

-0.20

0.2

0.4

0.6

0.8

-30

-20

-10

010

2030

Tun

er P

osit

ion

(mm

)

Resonance Shift (MHz)

Spea

r3 R

F Sy

stem

S

am P

ark

11/0

6/20

03

M

agic

Tee

s : D

ivid

e R

F po

wer

eve

nly.

Mag

ic T

ees

: Div

ide

RF

pow

er e

venl

y.

M

agic

tee

load

s ar

e to

com

pens

ate

for

any

mis

mat

chM

agic

tee

load

s ar

e to

com

pens

ate

for

any

mis

mat

ch

and

abso

rbs

refl

ecte

d po

wer

(tw

o ar

ms

are

90 d

egre

e ap

art)

and

abso

rbs

refl

ecte

d po

wer

(tw

o ar

ms

are

90 d

egre

e ap

art)

B

ello

w le

ngth

s ar

e ad

just

ed to

mat

ch th

e R

F ph

ase

in c

aviti

esB

ello

w le

ngth

s ar

e ad

just

ed to

mat

ch th

e R

F ph

ase

in c

aviti

es

G

uide

d w

avel

engt

h G

uide

d w

avel

engt

h λλ gg

= = λλ 00/

[1/[1 --

(( λλ00

/2/2aa ))

22 ]]1/

21/

2 , , λλ

gg=

=

c/fc/f

W

aveg

uide

sec

tions

are

pos

itive

ly p

ress

uriz

ed w

ith d

ry a

irW

aveg

uide

sec

tions

are

pos

itive

ly p

ress

uriz

ed w

ith d

ry a

ir

to e

nsur

e th

at th

ere

is n

o m

echa

nica

l gap

(no

RF

leak

age)

to e

nsur

e th

at th

ere

is n

o m

echa

nica

l gap

(no

RF

leak

age)

and

no m

oist

ure

ente

rs in

to th

e sy

stem

and

no m

oist

ure

ente

rs in

to th

e sy

stem

W

indo

w a

t the

kly

stro

n is

coo

led

by f

orce

d ai

rW

indo

w a

t the

kly

stro

n is

coo

led

by f

orce

d ai

r

Wav

egui

de N

etw

ork

& P

hasi

ngW

aveg

uide

Net

wor

k &

Pha

sing

Spea

r3 R

F Sy

stem

S

am P

ark

11/0

6/20

03

Mag

icM

agic

-- T a

nd B

ello

w N

etw

ork

T a

nd B

ello

w N

etw

ork

Spea

r3 R

F Sy

stem

S

am P

ark

11/0

6/20

03

LL

RF

in R

oom

101

, Bld

g 13

2L

LR

F in

Roo

m 1

01, B

ldg

132

Spea

r3 R

F Sy

stem

S

am P

ark

11/0

6/20

03

Con

nect

ions

to K

lyst

ron

Con

nect

ions

to K

lyst

ron

Spea

r3 R

F Sy

stem

S

am P

ark

11/0

6/20

03

Con

nect

ions

to K

lyst

ron

Con

nect

ions

to K

lyst

ron

Spea

r3 R

F Sy

stem

S

am P

ark

11/0

6/20

03

Flo

w m

onito

r an

d in

terl

ock

Flo

w m

onito

r an

d in

terl

ock

Spea

r3 R

F Sy

stem

S

am P

ark

11/0

6/20

03

Pow

er B

alan

ce w

ith B

eam

Loa

ding

Pow

er B

alan

ce w

ith B

eam

Loa

ding

0

200

400

600

800

1000

1200

010

020

030

040

050

0

Stor

ed C

urre

nt (

mA

)

RF Power (kW)

Ref

lect

Spea

r3 R

F Sy

stem

S

am P

ark

11/0

6/20

03

Spea

r3 R

F Sy

stem

S

am P

ark

11/0

6/20

03

Spea

r3 R

F Sy

stem

S

am P

ark

11/0

6/20

03

Spea

r3 R

F Sy

stem

S

am P

ark

11/0

6/20

03

Spea

r3 R

F Sy

stem

S

am P

ark

11/0

6/20

03

Mar

con

i K

lyst

ron

Gai

n C

urv

es

0

200

400

600

800

1000

1200

1400

1020

3040

5060

Dri

ve P

ow

er (

W)

Power Out (kW)

60 k

V

65k

V

70k

V

75 k

V

Vb

=81

kV

Spea

r3 R

F Sy

stem

S

am P

ark

11/0

6/20

03

Mar

coni

Kly

stro

n G

ain

Cur

ves

0

200

400

600

800

1000

1200

1400

5560

6570

7580

85

Kly

stro

n B

eam

Vol

tage

(kV

)

Klystron RF Output (kW)

Pdr

ive=

60 W

40 W

20 W

Spea

r3 R

F Sy

stem

S

am P

ark

11/0

6/20

03

Spea

r3 R

F Sy

stem

S

am P

ark

11/0

6/20

03

Boo

ster

kly

stro

n sa

tura

tion

00.0

01

0.0

02

0.0

03

0.0

04

0.0

05

0.0

06

0.0

07

0.0

08

0.0

09

0.0

1-10123456

tim

e (

s)

amplitude (V)

Fig

ure

4

gain

bre

akdow

n

att

enuato

r contr

ol voltage

-50X k

lystr

on d

rive p

ow

er

-20X k

lystr

on forw

ard

pow

er

5X c

avity c

ell p

ow

er

Fig

. 2

P(k

ly) v

s. P

(drv

) at 4

3.5

kV

y =

-0.

0508

x2 +

3.3

792x

+ 1

7.83

41

505560657075

1214

1618

2022

2426

2830

32

P-d

rive

(dB

m)

P-klystrin (dBm)

Spea

r3 R

F Sy

stem

S

am P

ark

11/0

6/20

03

Exi

stin

g B

oost

er R

F So

ft-S

tart

, Mec

hani

cal

SCR

Ass

embl

y w

ith B

uilt-

In S

oft S

tart

Spea

r3 R

F Sy

stem

S

am P

ark

11/0

6/20

03

Tim

ing

Syst

emT

imin

g Sy

stem

•S

ingl

e-bu

nch

fill

ing

•P

hase

-loc

k B

oost

er R

F (

358.

505

MH

z)to

SPE

AR

RF

(476

.300

MH

z)

•C

Boo

/CSP

EA

R=

4 /

7

•f B

oo/f

SPE

AR

= 7

0 / 9

3

Boo

ster

RF

VC

O

÷p

phas

ede

tect

loop

filte

r

÷q

buck

etse

lect

SPE

AR

freq

uenc

yco

ntro

lm

odul

ator

sS

-ban

d am

pin

ject

kic

ker

chop

per

vern

ier

tim

ing

SPE

AR

RF

VC

O

÷h SP

buck

etde

lay

D clk

inje

ctio

nen

ergy

win

dow

trig

ger

dela

ys

trig

ger

dela

ys

ejec

t kic

ker

SP k

icke

rs

D clk

phas

esh

ift

ejec

tion

ene

rgy

win

dow

sync

to S

PE

AR

RF

f SPr

ev

sync

’d÷

h B÷

n f B

rev

f Bre

v/n

476.

337

MH

z

358.

533

MH

zto

Boo

ster

RF

new

com

pone

nts

Spea

r3 R

F Sy

stem

S

am P

ark

11/0

6/20

03

Dri

ving

I&

Q M

odul

ator

Tes

t Fill

Pat

tern

in S

pear

2

00.

20.

40.

60.

81

1.2

1.4

1.6

1.8

21

0.5

0

0.5

1SP

EA

R B

UN

CH

PA

TT

ER

N

Mill

isec

onds

Volts

.

00.

10.

20.

30.

40.

50.

60.

70.

80.

91

1.1

0.3

0.2

0.1

0

0.1

0.2

0.3

SPE

AR

BU

NC

H P

AT

TE

RN

Mic

rose

cond

s

Volts

.

Spea

r3 R

F Sy

stem

S

am P

ark

11/0

6/20

03

SPE

AR

3 C

avity

Pro

duct

ion

SPE

AR

3 C

avity

Pro

duct

ion

Ele

ctro

form

ing

at A

ccel

Cav

ity

body

mil

ling

at A

ccel

Spea

r3 R

F Sy

stem

S

am P

ark

11/0

6/20

03

SPE

AR

3 (

PE

PSP

EA

R 3

(P

EP

-- II)

RF

Cav

ities

II)

RF

Cav

ities

Spea

r3 R

F Sy

stem

S

am P

ark

11/0

6/20

03

PE

PP

EP

-- II

RF

Cav

ity A

ssem

blie

sII

RF

Cav

ity A

ssem

blie

s