RF2637TR7 RFMD, RF2637TR7 Datasheet - Page 5

• Manufacturer Part Number: RF2637TR7
• Description: IC AGC AMP FOR 3V CELLULAR 8MSOP
• Manufacturer: RFMD

Specifications of RF2637TR7

• Current - Supply: 7mA ~ 15mA
• Frequency: 12MHz ~ 385MHz
• Gain: 35dB ~ 65dB @ 2.5V
• Noise Figure: 5dB ~ 7.2dB
• Package / Case: 8-VSSOP, 8-MSOP (0.118", 3.00mm Width)
• Rf Type: PCS
• Test Frequency: 85MHz
• Voltage - Supply: 2.7V ~ 3.4V
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• P1db: -
• Other names: 689-1017-2

Rev A6 DS080403
SMA
J1
GC
CDMA
C D M A +
C D M A -
R 1 s e ts th e C D M A b a la n c e d in p u t im p e d a n c e . T h e e ffe c tiv e in p u t im p e d a n c e is th e n 5 0 0 Ω .
R 2 s e ts th e b a la n c e d o u tp u t im p e d a n c e to 5 0 0 Ω . L 1 a n d C 2 s e rv e d u a l p u rp o s e s . L 1 s e rv e s
a s a n o u tp u t b ia s c h o k e , a n d C 2 s e rv e s a s a s e rie s D C b lo c k . In a d d itio n , th e v a lu e s o f L 1 a n d
C 2 m a y b e c h o s e n to fo rm a n im p e d a n c e m a tc h in g n e tw o rk o f th e lo a d im p e d a n c e is n o t 5 0 0
Ω . O th e rw is e , th e v a lu e s o f L 1 a n d C 1 a re c h o s e n to fo rm a p a ra lle l-re s o n a n t ta n k c irc u it a t
th e IF w h e n th e lo a d im p e d a n c e is 5 0 0 Ω .
P1-1
P1-3
50 Ω μstrip
C
D
M
A
I
F
F
i
l
t
e
r
P1
1
2
3
GND
VCC
GC
T1
Z
S
= 5 0 0 Ω
Z
IN , E F F
390 nH
15 pF
15 pF
C3
C4
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support, contact RFMD at ([phone] or [e-mail].
L2
R e fe re n c e P la n e
M e a s u re m e n t
= 5 0 0 Ω
G A IN
(Download Bill of Materials from www.rfmd.com.)
390 nH
4.7 kΩ
10 nF
10 nF
L1
C1
C2
R2
1 k Ω
Evaluation Board Schematic
R 1 :
Z
Z
IN
4 .7 k Ω
1 kΩ
1 nF
= 1 k Ω
R1
S , E F F
C5
Application Schematic
= 3 3 3 Ω
2627400A
1
2
3
4
1
2
3
4
C O N T R O L
G A IN
CONTROL
GAIN
Z
L O A D ,E F F
= 2 5 0 Ω
8
7
6
5
8
7
6
5
390nH
390nH
L4
L3
R 2 : 5 0 0 Ω
C 1
C 1
1 0 n F
1 0 n F
510 Ω
10 nF
R3
15 pF
15 pF
C6
C8
C9
L 1
L 1
V
C C
C 2
C 2
10 nF
10 nF
Z
V
C10
T2
C7
O U T
C C
RF2637
= 5 0 0 Ω
Z
L O A D
50 Ω μstrip
R e fe re n c e P la n e
= 5 0 0 Ω
M e a s u re m e n t
O U T +
O U T -
OUT
5 of 10
VCC
VCC
SMA
J2