Schematics, Board Layouts, and Parts Lists: Transceiver (RF) Board

12-9

 

 

Figure 12-8. NUE7337_ Antenna Switch and Harmonic Filter

C701

RXRF

100pF

D701

R701

C703

390

100pF

C722D702 TXRF

100pF L703 470nH

ANO

C707

100pF

SH701SH702

SHIELDSHIELD

11

C704

2.4pF

L702

19.61nH

C723

100pF

C706

4.3pF

 

XB+

 

 

 

 

 

 

 

R704

 

 

 

 

 

 

100K

 

 

47K

 

 

 

 

 

 

 

 

 

 

 

 

47K

R703

 

 

 

Q703

 

 

 

2

 

51K

 

 

 

 

 

 

 

 

 

 

 

 

 

1

 

 

 

 

 

 

Q702

 

 

 

 

 

 

3

C724

 

 

C710

 

 

 

 

 

 

 

 

100pF

 

 

3.6pF

 

 

L701

 

 

 

 

D602

470nH

 

 

 

L706

 

 

 

 

 

C726

 

C728

 

L711

 

8.67nH

 

 

 

 

 

 

 

 

 

 

C709

2.7pF

 

 

 

100nH

 

 

L704

100pF

 

 

3pF

 

 

 

 

C727

19.61nH

R705

 

 

 

 

 

620

 

 

 

 

 

 

 

 

 

 

1pF

D601

C725

 

 

 

 

 

 

 

 

 

 

 

100pF

 

 

 

C716

C719

 

 

3pF

1.6pF

 

 

L709

L710

C721

 

8.67nH

12.16nH

100pF

 

 

 

C717

C718

C720

 

3.6pF

6.8pF

2pF

 

TX_INH

 

C711

 

 

2.2pF

 

 

L707

C714

 

REMOTE

 

12.16nH

 

100pF

C712

C713

 

6.8pF

4.7pF

 

ANT

MAEPF-27945-O

6881094C12-A

November 11, 2004

Page 175
Image 175
Motorola SSETM 5000 service manual NUE7337 Antenna Switch and Harmonic Filter