VOLTAGE/POWER NARROW BAND MC3361BP designed dual conversion commu
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MC3361BP LINEAR INTEGRATED CIRCUIT
VOLTAGE/POWER NARROW BAND
MC3361BP designed dual conversion communication. contains complete narrow band demodulation system operable less than 2.5V supply voltage. This low-power narrow-band system provides second converter, second demodulator. Filter squelch circuitry communications scanning receivers.
SOP-16
FEATURES
*Low power consumption (4.0mA typ. Vcc=4.0V) *Excellent input sensitivity (-3dB limiting, 2.0µVrms typ.) *Minimum number external components required. *Operating Voltage:2.5~7.0V
DIP-16
APPLICATIONS
*Cordless phone (for home use) dual conversion communications equipment
CONFIGURATION
MIXER OUTPUT LIMITER INPUT DECOUPLING DECOUPLING QUADRATURE INPUT
INPUT
MUTE
SCAN CONTROL
SQUELCH INPUT
FILTER OUTPUT FILTER INPUT AUDIO OUTPUT
UNISONIC TECHNOLOGIES CO., LTD.
QW-R108-010,A
MC3361BP LINEAR INTEGRATED CIRCUIT
ABSOLUTE MAXIMUM RATINGS(TA=25°C)
PARAMETER SYMBOL VALUE UNIT
Max. Supply Voltage Vcc(max) Supply Voltage Range Detector Input voltage VI(DET) Vp-p Input Voltage (Vcc>=4.0V) VI(RF) Vrms Mute Function VMUTE -0.5 Vpeak Operating Temperature TOPR Storage Temperature TSTG +150 Note: Absolute maximum ratings those values beyond which permanent damage device occur. These stress ratings only functional operation device beyond them implied. Long exposure these conditions affect device reliability.
ELECTRICAL CHARACTERISTICS
(Vcc=4.0V, fo=10.7MHz,f=+-3KHz,Ta=25°C, unless otherwise specified) PARAMETER SYMBOL TEST CONDITIONS
Operating Current Input Limiting voltage Detector Output voltage Detector Output Impedance Audio Output Voltage Filter Gain Filter Output Voltage Trigger Hysteresis filter Mute Switch-on Resistance Mute Switch-off Resistance Scan Control "Low" Output Scan Control "High" Output Mixer Conversion Gain VI(LIM) VO(DET) ZO(DET) VO(DC) RON(MUTE) ROFF(MUTE) VL(SCAN) VH(SCAN) GV(MIXER) RI(MIXER) CI(MIXER) Squelch (V12=2V) Squelch (V12=GND) -3.0dB limiting
UNIT
mVrms
Vin=10mV f=10KHz,Vin=5mV
Mute Low" Mute High" Mute (V12=2V) Mute (V12=GND)
Mixer Input Resistance
Mixer Input Capacitance
UNISONIC TECHNOLOGIES CO., LTD.
QW-R108-010,A
MC3361BP LINEAR INTEGRATED CIRCUIT
APPLICATION CIRCUIT
10.245MHz 220p SCAN CONTROL 120K 0.1µF 0.1µ 0.1µF 470K 3.3µF AUDIO VOLUME SQUELCH SENSITIVITY 0.01µ INPUT
MURATA 455D
455KHz FILTER
MC3361BP
0.1µ
1N4148
0.1µ QUAD COIL TOKO TYPE RMC-2A6597HM
8.2K 0.01µF 0.01µF
0.01µF
AUDIO
above typical application, audio signal recovered using conventional quadrature detector. absence input signal indicated presence noise above desired audio frequencies. This "noise band: monitored active filter detector. squelch trigger circuit indicates presence noise tone) output which used control scanning. same time, internal switch operated which used mute audio.
UNISONIC TECHNOLOGIES CO., LTD.
QW-R108-010,A
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