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RQS

更新时间: 2024-10-01 06:08:43
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纬创 - RALTRON 振荡器压控振荡器
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描述
Voltage Controlled Oscillator - VCO

RQS 数据手册

  
Voltage Controlled Oscillator - VCO  
RQS-Series  
Features  
Applications  
Frequency Range up to 3.5 GHz Wireless Networks  
Compatible to Murata MQE-series Cordless Phones  
Low Profile, 1.9 mm  
Low Power Consumption  
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.  
Mechanical Specification  
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”  
Electrical Specification  
PARAMETER  
Max Frequency  
Tuning Ratio  
COMMENTS, EXAMPLES  
SYMBOL  
fo  
f-up : f-low  
Vt  
Vcc  
Icc  
Pout  
a(2fo)  
df/dVcc  
df/dZL  
MIN  
TYP  
MAX UNIT  
2500 MHz  
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  
1.1  
0~5  
3.3  
15  
0
-10  
5
5
2.0  
-
Tuning Voltage  
Supply Voltage  
Supply Current  
Output Power  
0~2  
2.7  
6
V
V
25  
+5  
mA  
dBm  
dBc  
MHz/V  
MHz  
-3  
Harmonic Suppression Dependent on Tuning Range and Frequency  
Pushing  
Pulling  
Dependent on Freq, Tuning R., typ 0.5%~1% fo  
Dependent on Freq, Output Power and Circuit.  
2
2
10  
10  
General Specification  
Phase Noise Examples  
SSB Phase Noise  
1. Load Impedance is 50 Ohms.  
-60  
-70  
-80  
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.  
2000MHz @ 2.8V  
-90  
4. Bypass-capacitors (ceramic) from Vcc to Ground are recommended: 1nF||100pF.  
5. Customized specifications may deviate from this General Specification.  
-100  
-110  
-120  
-130  
-140  
-150  
-160  
6. Phase-noise performance depends on the individual specification. Phase Noise is  
strongly dependent on (a) frequency (b) supply voltage and (c) tuning range.  
750MHz @ 3.3V  
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.  
1
10  
100  
1,000  
10,000  
Freq-offset [kHz]  
© Raltron Electronics Corp.  
RQS-GeneralSpec-020710.doc  
July 2002  
10651 N.W. 19th St. Miami, Fl. 33172 USA Tel +001 305-593-6033 Fax +001 305-594-3973 vco@raltron.com www.raltron.com  

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