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參數資料
| 型號： | RQS |
| 廠商： | Raltron Electronics Corporation |
| 英文描述： | Voltage Controlled Oscillator - VCO |
| 中文描述： | 壓控振蕩器-壓控振蕩器 |
| 文件頁數： | 1/1頁 |
| 文件大小： | 85K |
| 代理商： | RQS |
Voltage Controlled Oscillator - VCO
RQS-Series
Features
!
Frequency Range up to 3.5 GHz
!
Compatible to Murata MQE-series
!
Low Profile, 1.9 mm
!
Low Power Consumption
Raltron Electronics Corp.
10651 N.W. 19
St.
!
Miami, Fl. 33172
!
USA
!
Tel +001 305-593-6033
!
Fax +001 305-594-3973
!
vco@raltron.com
!
www.raltron.com
RQS-GeneralSpec-020710.doc
July
2002
Applic ations
!
Wireless Networks
!
Cordless Phones
!
Telecommunications
!
Navigation
Description
The RQS-series is ideally suited for cost-sensitive applications. With its small dimensions
and low power consumption, the RQS-series meets the requirements of portable and
wireless applications. A high degree of process-automation ensures consistent
performance at high volume and lowest cost.
Mec hanic al Specific ation
TOP VIEW
SIDE VIEW
BOTTOM VIEW
SOLDER PATTERN
COMMENTS
Pad / Functions:
No Industry-standard is
established for numbering
scheme of 6x8 package.
(2001/2002)
Height “H” (max):
1.9 mm / .075”
Outline Tolerances:
±0.20mm / ±.008”
Electric al S pecific ation
PARAMETER
Max Frequency
Tuning Ratio
Tuning Voltage
Supply Voltage
Supply Current
Output Power
Harmonic Suppression
Pushing
Pulling
General Spec ific ation
COMMENTS, EXAMPLES
Currently available in RQS-package
Ratio of upper-to-lower freq (2 = “Octave-VCO”)
Range is typ. 2V for battery-operated applications
Mobile devices typ. operated at 2.7V and up
Dependent on Frequency and Output Power
Output Power Tolerance is typically ±3dB
Dependent on Tuning Range and Frequency
Dependent on Freq, Tuning R., typ 0.5%~1% fo
Dependent on Freq, Output Power and Circuit.
SYMBOL
fo
f-up : f-low
Vt
Vcc
Icc
Pout
a(2fo)
df/dVcc
df/dZL
MIN
0~2
2.7
6
-3
2
2
TYP
1.1
0~5
3.3
15
0
-10
5
5
MAX
2500
2.0
25
+5
10
10
UNIT
MHz
-
V
V
mA
dBm
dBc
MHz/V
MHz
Phase Noise Examples
1. Load Impedance is 50 Ohms.
2. Operating temperature range is typically –40°C…+85°C.
3. The package is non-hermetic. Substrate is glass-reinforced laminate, the cover is
folded nickel-silver.
4. Bypass-capacitors (ceramic) from Vcc to Ground are recommended: 1nF||100pF.
5. Customized specifications may deviate from this General Specification.
6. Phase-noise performance depends on the individual specification. Phase Noise is
strongly dependent on (a) frequency (b) supply voltage and (c) tuning range.
7. The phase noise graph (to right) shows the characteristic of two typical RQS-
VCOs at 0dBm output power, ±1% tuning range and 3.3V / 2.8V supply voltage.
SSB Phase Noise
-160
-150
-140
-130
-120
-110
-100
-90
-80
-70
-60
1
10
100
1,000
10,000
Freq-offset [kHz]
L
750MHz @ 3.3V
2000MHz @ 2.8V
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