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001-01 / 20020221 / e81111_qvc81.fm
QVC81 Series
RF Modules
VCOs
For Cellular Phone/Single Band 8.5x6.5
High Power Type
FEATURES
ELECTRICAL CHARACTERISTICS
PART NO. : QVC811747RT-2128
APPLICATION : DCS TX(High power)
Measuring conditions : Ta=25±2°C Vcc=2.75V
Min.
• VCO for mobile communication equipment TX (sending) appli-
cations. Roughly 0.5 to 2GHz frequency range, high power.
• Occupation area of component can be reduced because exter-
nal pre-amp is not needed.
Typical Max.
Parameter
Unit
value value value
• Compact, low profile and light weight type (L8.5×W6.5×T1.8mm,
210mg typ.).
Oscillation frequency
Current consumption
Output power [at F0]
MHz
mA
dBm
1710
–
+5
1747.5 1785
25
35
• Low voltage operation, low current consumption.
• Makes cost reduction possible.
+7.5
+10
C/N ratio
[at F0, Offset frequency=10kHz,
B.W.=1Hz]
Tuning sensitivity [Vt=0.7 to 1.9V]
dBc/Hz
–
–93
–85
SHAPES AND DIMENSIONS/
MHz/V 80
90
±1
100
±2
RECOMMENDED PC BOARD PATTERN
Frequency pushing
[Vcc=2.75±0.15V]
Frequency pulling
[VSWR=2, all phases]
Spurious level
Operating temperature range
Storage temperature range
MHz
MHz
–
–
1
1
1
M
G
P
±2
±3
dBc
°C
°C
–
–20
–40
–15
–
–
–10
+75
+85
8.5±0.5
PART NO. : QVC810898RT-2127
APPLICATION : GSM TX(High power)
C
G
B
3
3
Measuring conditions : Ta=25±2°C Vcc=2.75V
3±0.2 3±0.2
8×1±0.3
Solder resist
Min.
Typical Max.
Parameter
Unit
value value value
7-ø0.4 Through-hole
Dimensions in mm
Oscillation frequency
Current consumption
Output power [at F0]
C
G
G
B
P
MHz
mA
dBm
880
–
+5
897.5 915
25
35
+7.5
+10
TERMINAL FUNCTIONS
C/N ratio
[at F0, Offset frequency=10kHz,
B.W.=1Hz]
M
P
B
C
G
M
Output
dBc/Hz
–
–102
–85
Power supply
Frequency tuning
GND
Tuning sensitivity [Vt=0.7 to 1.9V]
MHz/V 35
45
55
±1
Frequency pushing
[Vcc=2.75±0.15V]
Frequency pulling
[VSWR=2, all phases]
Spurious level
Operating temperature range
Storage temperature range
MHz
MHz
–
–
±0.5
GND
±1
±2
RECOMMENDED REFLOW
SOLDERING CONDITIONS
dBc
°C
°C
–
–20
–40
–25
–
–
–15
+75
+85
10s max.
55s max.
• Company and product names mentioned are registered trademarks.
240˚C max.
230˚C
200˚C
150˚C
120s max.
( )
Time s
• All specifications are subject to change without notice.
