SAW Resonator
HR643.75
The
HR643.75
is a true one-port, surface-acoustic-wave (SAW) resonator in a surface-mount
ceramic
QCC8C
case. It provides reliable, fundamental-mode, quartz frequency stabilization i.e.
in transmitters or local oscillators operating at
643.750
MHz.
1. Package Dimension
(QCC8C)
Pin
2
6
4,8
1,3,5,7
Sign
A
B
C
D
Data (unit: mm)
2.08
0.6
1.27
2.54
Sign
E
F
G
H
Configuration
Terminal1
Terminal2
Case Ground
Empty
Data (unit: mm)
1.2
1.35
5.0
5.0
2. Marking
3. Equivalent LC Model and Test Circuit
HR643.75
Laser Marking
4. Typical Application Circuits
1) Low-Power Transmitter Application
2) Local Oscillator Application
5. Typical Frequency Response
6. Temperature Characteristics
Tel:+86-755-82973806 Fax:+86-755-82973550 E-mail: sales@hoperf.com http://www.hoperf.com
HOPERF [ Hope Microelectronics co., Ltd ]
