RF2418TR7 RFMD, RF2418TR7 Datasheet - Page 7

• Manufacturer Part Number: RF2418TR7
• Description: IC LNA MIXER LOW CURRENT 14-SOIC
• Manufacturer: RFMD
• Series: RF2418r

Specifications of RF2418TR7

• Rf Type: ISM, UHF
• Frequency: 400MHz ~ 1.1GHz
• Number Of Mixers: 1
• Gain: 23dB
• Noise Figure: 2.4dB
• Current - Supply: 26mA
• Voltage - Supply: 3 V ~ 6.5 V
• Package / Case: 14-SOIC (0.154", 3.90mm Width)
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Secondary Attributes: -
• Other names: 689-1013-2

Rev A7 DS060203
IF O U T
R F I N
V
D D
I
F
F
i
l
t
e
r
,
5
0
Ω
V
7628 Thorndike Road, Greensboro, NC 27409-9421 · For sales or technical
support, contact RFMD at ([phone] or [e-mail].
D D
1 0 0 n F
1 0 0 n F
C 1
R 1
R 2
Buffered Output Configuration
4 7 p F
1 0 0 n F
1 0 n H
Application Schematic
L 1
1
2
3
4
5
6
7
850MHz
L 1 s h o u ld p a r a lle l r e s o n a t e , a t t h e IF f r e q u e n c y , w it h th e in t e r n a l
1 0 p F c a p a c ito r p lu s a n y e x t r a p a r a s it ic la y o u t c a p a c it a n c e .
R 1 a n d R 2 a r e b ia s r e s is t o r s t h a t s e t t h e b ia s c u r r e n t f o r t h e b u f fe r
a m p lifie r . T h e v a lu e r e c o m m e n d e d is 5 1 0 W , e a c h . H ig h e r v a lu e s
w ill d e c r e a s e th e c u r r e n t c o n s u m p tio n b u t a ls o d e c r e a s e t h e o u t p u t
le v e l a t w h ic h v o lta g e c lip p in g b e g in s to o c c u r . A t lo w e r IF
f r e q u e n c ie s , w h e r e t h e in te r n a l 1 0 p F c a p a c ito r d o e s n o t r o ll o ff th e
c o n v e r s io n g a in , L 1 m a y b e e lim in a t e d .
C 1 is a b lo c k in g c a p a c ito r , in c a s e th e I F f ilte r 's in p u t is n o t a n o p e n
c ir c u it a t D C .
B U F F E R
1 0 p F
L N A
M I X E R
R F A M P
1 4
1 3
1 2
1 1
1 0
9
8
1 0 n H
1 5 n H
1 n F
4 p F
RF2418
I
m
a
g
e
F
i
l
t
e
r
,
5
0
Ω
L O IN
7 of 12