APPLICATIONS
Carrier oscillators in RF Modulators for VCR,
BS tuner, CATV, etc.
FEATURES:
(1) Adjustment free
(2) Two channels in one Single Inline Package
(3) Direct fundamental oscillation
(4) No spurious response
(5) Small size and light weight
(6) High reproducibility
(7) High reliability
ELECTRICAL CHARACTERISTICS
(Ta=25
oC unless otherwise noted)
MAXIMUM RATINGS
Operating Temperature ................ -10 to 60
oC
Storage Temperature................... -55 to 85
oC
DC Voltage..................................................3V
Driving power.......................................0.2mW
PACKAGE DIMENSION
FUJITSU MEDIA DEVICES
SAW RESONATOR
F88SM
No. F88SM 2002-04-01
The information contained herein is presented only as a guide for the applications of our products. No responsibility is assumed by
Fujitsu Media Devices for any infringements of patents or other rights of the third parties which may result from its use. No license is granted by
implication or otherwise under any patent or patent rights of Fujitsu Media Devices or others.
The information contained herein may be changed without prior notice. It is therefore advisable to contact Fujitsu Media Devices before proceeding
with the design of equipment incorporating this product.
*
*
PIN CONNECTIONS
EQUIVALENT CIRCUITS
SYSTEM
CHANNEL NTSC USA
2 CH (55.25 MHz)
3 CH (61.25 MHz)
f
r1
f
r2
A
r1
A
r2
C
TE1
C
TE2
Item Type F88SM Unit
-18
55.23 ± 0.06
61.23 ± 0.06
3.8 Max.
4.0 Max.
4.9 ± 1.0
3.7 ± 1.0
MHz
dB
pF
ppm/˚C
Note (1) Measured in a 50-ohm system
(2) Measured at frequency of 1 MHz
Resonant frequency (1)
Resonant loss (1)
Parallel capacitance (2)
Temp. coeff. of frequency
(-20˚C to 70˚C)
12.5 MAX
7.7 MAX
3.7 MAX8.0 ± 0.8
Pin No.
#1. Low ch (2 ch)
#2. High ch (3 ch)
#3. Ground
#4. Common
Unit mm
2.5 ± 0.5 pitch
ø 0.5 ± 0.05
2.2 ± 0.5
#4 #3 #2 #1
Bottom View
C
TE
L
1
C
1
R
1
FUJITSU MEDIA DEVICES LTD.
TYPICAL FREQUENCY TRANSMISSION CHARACTERISTICS (F81U)
MEASUREMENT CIRCUIT
A MODULATOR CIRCUIT EXAMPLE
USING A SAW RESONATOR
50Ω50Ω
100kHz/div 100kHz/div
f
r1
f
r2
10 dB/div
90°/div
Low ch (2 CH) High ch (3 CH)
6.2 V
F88KM
0.01 µ
1 µ
1 µ
1 µ
0.01 µ
CH.SW
1000 P
1000 P
510
300 51 P
8 P
82
51k
180
150
220
22k
13k
150
3 k
39P
8P
0.01 µ
1.2 k
300
500 k
500 k
10 P
10 P
3 k
510
VIDEO
IN
16 15 14 13 12 11 10 9
GND
TA7673P/F
12345678
RF OUT B.P.F.
21
100 k
CARRIER
BALANCE
4.5 MHz
TANK SOUND
IN
+ 6.2 100 k
820 P
TRAP
6.8k
VccGND
