SPRF2738A Datasheet, PDF (7/12 Pages) List of Unclassifed Manufacturers – Low Power FM/FSK IF IC

SPRF2738A
6.3. Test Circuit
COB (Chip on Board) Testing Circuit
J1
1
2
3
VCC
C1
C14
2.2n 104
CON1
R1 R2
C2
47uF
R3
C3
C4
10k 10k
J2
51
103
1
2.2n
2
ANT
U1
tial ^{ly J3}
1
VCC
n ^{n 2}
PD
PD
SPRF2738_COB
nfide ^{se O} _L1
Co B ^U _{C10 C11}
s ^{A 103 104}
10uH
R4
100
lu ^{A VCC}
C5
C6
30
27
F1
33
Murata CFWM455E
X1
C12
39
26.690MHz
C7 C8
C9
104 1n
N/U
R5 C13
47k
N/U
L2
TOKO 8128
np ^{S 6.4. Typical Characteristics}
u ^R Current Consumption
A 5
S _{R 4}
B ₃
For ²
Demodulator DC Output, VCC=3.0V
3
2.5
2
1.5
1
1
0.5
0
1
2
3
4
5
6
Supply Voltage (V)
0
430
440
450
460
470
480
freq, LMI input frequency (kHz)
© Sunplus Technology Co., Ltd.
7
Proprietary & Confidential
APR. 30, 2003
Version: 1.2