YOUDA INTEGRATED CIRCUIT
YD3361
LOW POWER NARROW BAND IF AMPLIFIER
鈥擸D3361
DESCRIPTION
The YD3361 includes an Oscillator, Mixer, Limiting Amplifier, Quadrature Discriminator, Active Filter, Squelch,
Scan Control and mute Switch. This device is designed for use in FM dual conversion communications equipment.
FEATURES
*Operates from 2.0 to 7.0 V supply.
*Low drain current 3.9 mA Typical @ VCC=4.0 Vdc.
*Excellent sensitivity: input limiting voltage (鈥?.0 dB )2.6渭V typical.
*Low number of external parts required.
*Operating frequency up to 60 MHz.
BLOCK DIAGRAM
16
15
GND
14
+
Filter
Amp
Limiter
Amp
AF
Amp
13
12
11
10
9
Squelch Trigger with
Hysteresis
Mixer
Oscillator
1
2
3
Vcc
4
5
6
Demodulator
7
8
WuXi YouDa Electronics Co., Ltd
Tel:
Add: No.5 Xijin Road, National Hi-Tech Industrial Development Zone, Wuxi Jiangsu China
86-510-85205117
86-510-85205106
Fax: 86-510-85205110
Website: www.e-youda.com
SHENZHEN OFFICE
Tel錛?86-755-83740369
Fax錛?86-755-83741418
Ver 5.0
1 of 3
2006-06-28