ML3371, ML3372
LANSDALE Semiconductor, Inc.
RECOMMENDED OPERATING CONDITIONS
Rating
Supply Voltage
(@ TA = 25°C)
( –30°C
TA
+75°C)
RF Input Voltage
RF Input Frequency
Oscillator Input Voltage
Intermediate Frequency
Limiter Amp Input Voltage
Filter Amp Input Voltage
Squelch Input Voltage
Mute Sink Current
Ambient Temperature Range
Pin
4
16
16
1
–
5
10
12
14
–
Symbol
VCC
Vrf
frf
Vlocal
fif
Vif
Vfa
Vsq
lsq
TA
Value
2.0 to 9.0
2.4 to 9.0
0.0005 to 10
0.1 to 100
80 to 400
455
0 to 400
0.1 to 300
0 or 2
0.1 to 30
–30 to +70
Unit
Vdc
mVrms
MHz
mVrms
kHz
mVrms
mVrms
Vdc
mA
°C
AC ELECTRICAL CHARACTERISTICS
(VCC = 4.0 Vdc, fo = 58.1125 MHz, df =
±3.0
kHz, fmod = 1.0 kHz, 50
Ω
source,
flocal = 57.6575 MHz, Vlocal = 0 dBm, TA = 25°C, unless otherwise noted)
Characteristic
Input for 12 dB SINAD
Matched Input – (See Figures
11, 12 and 13
)
Unmatched Input – (See Figures 1 and 2)
Input for 20 dB NQS
Recovered Audio Output Voltage
Vrf = –30 dBm
Recovered Audio Drop Voltage Loss
Vrf = –30 dBm, VCC = 4.0 V to 2.0 V
Meter Drive Output Voltage (No Modulation)
Vrf = –100 dBm
Vrf = –70 dBm
Vrf = –40 dBm
Filter Amp Gain
Rs = 600
Ω
, fs = 10 kHz, Vfa = 1.0 mVrms
Mixer Conversion Gain
Vrf = –40 dBm, RL = 1.8 kΩ
Signal to Noise Ratio
Vrf = –30 dBm
Total Harmonic Distortion
Vrf = –30 dBm, BW = 400 Hz to 30 kHz
Detector Output Impedance
Detector Output Voltage (No Modulation)
Vrf = –30 dBm
Meter Drive
Vrf = –100 to –40 dBm
Meter Drive Dynamic Range
RFIn
IFIn (455 kHz)
Mixer Third Order Input Intercept Point
f1 = 58.125 MHz
f2 = 58.1375 MHz
Mixer Input Resistance
Mixer Input Capacitance
Pin
–
Symbol
VSIN
–
–
–
–
–
13
VNQS
AFO
120
AFloss
–8.0
MDrv
MV1
MV2
MV3
AV(Amp)
47
–
–
–
9
9
13
13
AV(Mix)
14
s/n
36
THD
–
ZO
DVO
–
MO
–
MVD
–
–
–
ITOMix
–
16
16
Rin
Cin
–
–
–22
3.3
2.2
–
–
–
kΩ
pF
60
80
–
–
dBm
0.8
–
dB
1.45
–
µA/dB
–
0.6
450
3.4
–
Ω
Vdc
67
–
%
20
–
dB
50
–
dB
–
1.1
2.0
–1.5
0.3
1.5
2.5
–
Vdc
0.5
1.9
3.1
dB
200
320
dB
–
1.0
5.0
3.5
–
15
–
µVrms
mVrms
Min
Typ
Max
Unit
µVrms
–
Page 2 of 19
www.lansdale.com
Issue A
LANSDALE [ LANSDALE SEMICONDUCTOR INC. ]
