MADCSM0011 Datasheet, PDF (2/5 Pages) Tyco Electronics – Dual Mode Cellular Downconverter 869 - 893 MHz

Dual Mode Cellular Downconverter
869 - 893 MHz
MADCSM0011
V2
Electrical Specifications⁴:
Test Conditions: V_DD = 3.0 V, RF = 880 MHz, IF = 85 MHz, LO = 965 MHz, T_A = +25°C
Parameter
Test Conditions
Units
Min
Typ
Max
Conversion Gain
LO Pin = -10 dBm
dB
10
12.5
15
Noise Figure
LO Pin = -10 dBm
dB
—
7.5
—
Input Intercept Point
LO Pin = -10 dBm
Return Loss
RF, LO Pin = -10 dBm
LO, LO Pin = -10 dBm
Isolation
RF to IF, LO Pin = -10 dBm
LO to IF, LO Pin = -10 dBm
I_DD
LO Pin = -10 dBm
4. All measurements are for both output modes.
dBm
6
8
—
dB
—
12
—
dB
—
13
—
dB
25
36
—
dB
18
21
—
mA
—
12
15
Recommended PCB Configuration
External Circuitry Parts List
Sample Board Schematic
Part Value
C1
2.7 pF
C2
1000 pF
C3,C5,
C10,C12
0.1 µF
C4
0.1 µF
C6,C8 33 pF
C7,C9 12 pF
C11
0.1 µF
L1
16 nH
L2
270 nH
L3
15 nH
L4
15 nH
L5,L6 150 nH
R1 34 Ohms
Case
Size
0402
0402
0402
0402
0402
0402
0402
0603
0603
0603
0603
0603
0402
Purpose
Mixer Input RF Matching
Mixer to IFA Matching
V_DD Bypass
IFA Source Bypass
IFA Output Matching
IFA Output Matching
Vmode Bypass
Mixer Input RF Matching
Mixer to IFA Matching
LOA Input Matching
LOA Matching
IFA Output Matching
IFA Source Resistor
2
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