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MRFIC0931
Balanced Transmit Mixer
The MRFIC0931 is a balanced Gilbert cell mixer with LO buffer amplifier
intended for transmit upmixer application. The device is usable for Industrial,
Scientific and Medical (ISM), Cellular and PCS applications and is packaged
in a low–cost surface mount package.
BALANCED
TRANSMIT MIXER
SEMICONDUCTOR
TECHNICAL DATA
•
•
Usable 500–2000 MHz
High Output Power @ 1 dB Gain Compression, 3.6 V
0.9 dBm (Typ) @ 900 MHz
–2.0 dBm (Typ) @ 1800 MHz
2.7–4.8 V Operation
Balanced Design for Good LO Rejection
47 mA (Max) Current @ 4.5 V
45 mA (Max) Current @ 3.6 V
Low Cost Surface Mount Package
ARCHIVE INFORMATION
•
8
1
PLASTIC PACKAGE
CASE 751
(SO–8, In Tape & Reel Only)
PIN CONNECTIONS
RF Out
Gnd
Gnd
IF In
1
2
3
4
8
7
6
5
RF Out
VCC
IF In
LO In
(Top View)
Simplified Block Diagram
IF In
RF Out
RF Out
ORDERING INFORMATION
LO In
IF In
Device
This device contains 16 active transistors.
MRFIC0931R2
Operating
Temp Range
TA = –35 to 85°C
Package
SO–8
*Tape & Reel
*2,500 units per 12 mm, 13 inch reel.
©
Motorola, Inc. 1998
Rev 4
MOTOROLA RF/IF DEVICE DATA
1
ARCHIVE INFORMATION
•
•
•
MRFIC0931
MAXIMUM RATINGS
Rating
Supply Voltage
Input Power, IF and LO
Operating Ambient Temperature
Storage Temperature
NOTES:
1. Meets Human Body Model (HBM)
≤400
V.
2. ESD data available upon request.
Symbol
VCC
PIF, PLO
TA
Tstg
Value
5.0
10
–35 to 85
–65 to 150
Unit
Vdc
dBm
°C
°C
RECOMMENDED OPERATING CONDITIONS
Characteristic
Supply Voltages
Symbol
VCC
fRF
fIF
Min
2.7
500
0
Typ
–
–
–
Max
4.5
2000
250
Unit
Vdc
MHz
MHz
ARCHIVE INFORMATION
RF Frequncy Range
IF Frequency Range
ELECTRICAL CHARACTERISTICS
(TA = 25°C, measured in circuit shown in Figure 1 or 2 as frequency indicates, unless
otherwise noted.)
Characteristic
RF Output Power (fIF = 88 MHz, fLO = 815 MHz, PLO = –10 dBm,
PIF = –20 dBm, VCC = 4.5 V)
LO Feed Through (fIF = 88 MHz, fLO = 815 MHz, PLO = –10 dBm,
PIF = –20 dBm, VCC = 4.5 V)
Undesired Sideband Output (fIF = 88 MHz, fLO = 815 MHz,
PLO = –10 dBm, PIF = –20 dBm, VCC = 4.5 V)
Small Signal Conversion Gain (fIF = 100 MHz, PIF = –25 dBm,
VCC = 3.6 V)
900 MHz (PLO = –10 dBm)
1800 MHz (PLO = –5.0 dBm)
Power Output at 1.0 dB Gain Compression (fIF = 100 MHz,
PIF = –25 dBm, VCC = 3.6 V)
900 MHz (PLO = –10 dBm)
1800 MHz (PLO = –5.0 dBm)
Supply Current
VCC = 4.5 V
VCC = 3.6 V
–
–
38
30
47
45
mA
mA
Symbol
Min
2.0
–
–
Typ
4.0
–
–
Max
8.0
–16
–25
Unit
dBm
dBc
dBc
–
–
25
20
–
–
dB
dB
–
–
0.9
–2.0
–
–
dBm
dBm
2
MOTOROLA RF/IF DEVICE DATA
ARCHIVE INFORMATION
MRFIC0931
Figure 1. 903 MHz Configuration Test Circuit
C10
L4
T1
C9
T2
C8
RF
Output
C1, C4, C6, C10
C2
C3, C9
C5
C7
C8
L1, L3
L2
L4
T1, T2
Board Material
C7
2
7
C5
L3
3
6
C4
L2
IF In
C2
L1
C1
4
5
C3
LO In
C6
VCC
1000 pF
13 pF
10 pF
100 pF
2.4 pF
2.0 pF
220 nH
3.3 nH
12 nH
1/8
λ
50
Ω
Microstrip
Epoxy/Glass
ε
r = 4.45
1
8
ARCHIVE INFORMATION
Figure 2. 1800 MHz Applications Circuit
C10
L3
T1
C9
T2
C8
RF
Output
C1, C6, C10
C2
C3, C4, C5, C8
C7
C9
C11
L1,
L2
L3
T1, T2
Board Material
1000 pF
10 pF
100 pF
1.2 pF
2.7 pF
1.0 pF
180 nH
3.3 nH
2.7 nH
1/8
λ
50
Ω
Microstrip
Epoxy/Glass
ε
r = 4.45
1
8
C7
2
7
C5
C6
VCC
3
6
C4
L2
IF In
C2
L1
C1
4
5
C11
C3
LO In
MOTOROLA RF/IF DEVICE DATA
3
ARCHIVE INFORMATION
MRFIC0931
Table 1. Mixer Deembedded Port Reflection Coefficients
(ZO = 50
Ω,
TA = 25°C)
Γ
IF
f
(MHz)
50
100
150
200
250
500
600
700
Mag
0.68
0.68
0.67
0.66
0.65
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
∠φ
φ
Degrees
–9.4
–18
–26
–33
–40
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
Mag
–
–
–
–
–
0.93
0.92
0.91
0.89
0.87
0.85
0.82
0.79
0.75
0.71
0.66
0.60
0.58
0.53
0.48
0.44
Γ
RF
∠φ
φ
Degrees
–
–
–
–
–
–28
–33
–37
–41
–45
–48
–50
–53
–56
–61
–66
–67
–71
–74
–76
–79
Mag
–
–
–
–
–
0.79
0.79
0.79
0.77
0.75
0.73
0.69
0.65
0.61
0.56
0.52
0.52
0.48
0.42
0.36
0.30
Γ
LO
∠φ
φ
Degrees
–
–
–
–
–
–30
–32
–33
–34
–34
–35
–36
–37
–41
–47
–55
–58
–62
–67
–74
–83
ARCHIVE INFORMATION
800
900
1000
1100
1200
1300
1400
1500
1600
1700
1800
1900
2000
4
MOTOROLA RF/IF DEVICE DATA
ARCHIVE INFORMATION
MRFIC0931
Figure 3. Conversion Gain versus
LO Power
26
G C , CONVERSION GAIN (dB)
G C , CONVERSION GAIN (dB)
25.5
25°C
25
24.5
24
23.5
23
–15
85°C
TA = –35°C
VD = 3.6 V
IF = –25 dBm @ 100 MHz
fRF = 900 MHz
28
VD = 4.8 V
26
3.6 V
3.3 V
24
2.7 V
22
TA = 25°C
IF = –25 dBm @ 100 MHz
fRF = 900 MHz
–13
–11
–9.0
–7.0
–5.0
Figure 4. Conversion Gain versus
LO Power
–13
–11
–9.0
–7.0
–5.0
20
–15
ARCHIVE INFORMATION
PLO, LO POWER (dBm)
PLO, LO POWER (dBm)
Figure 5. Conversion Gain versus
LO Power
23
TA = –35°C
G C , CONVERSION GAIN (dB)
G C , CONVERSION GAIN (dB)
22
25°C
22
26
Figure 6. Conversion Gain versus
LO Power
VD = 4.8 V
3.6 V
21
85°C
3.3 V
18
2.7 V
14
TA = 25°C
IF = –25 dBm @ 100 MHz
fRF = 1800 MHz
–8.0
–6.0
–4.0
–2.0
0
20
VD = 3.6 V
IF = –25 dBm @ 100 MHz
fRF = 1800 MHz
–8.0
–6.0
–4.0
–2.0
0
19
–10
10
–10
PLO, LO POWER (dBm)
PLO, LO POWER (dBm)
Figure 7. 1.0 dB Compression versus
LO Power
4.0
P1dB, 1.0 dB COMPRESSION (dBm)
P1dB, 1.0 dB COMPRESSION (dBm)
3.0
2.0
1.0
0
–1.0
–15
VD = 3.6 V
IF = –25 dBm @ 100 MHz
fRF = 900 MHz
5.0
3.0
1.0
–1.0
Figure 8. 1.0 dB Compression versus
LO Power
VD = 4.8 V
TA = –35°C
3.6 V
25°C
85°C
3.3 V
–3.0
–5.0
–7.0
–15
2.7 V
TA = 25°C
IF = –25 dBm @ 100 MHz
fRF = 900 MHz
–11
–9.0
–7.0
–5.0
–13
–11
–9.0
–7.0
–5.0
–13
PLO, LO POWER (dBm)
PLO, LO POWER (dBm)
MOTOROLA RF/IF DEVICE DATA
5
ARCHIVE INFORMATION
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