lm2326slbx National Semiconductor Corporation, lm2326slbx Datasheet - Page 14

• Manufacturer Part Number: lm2326slbx
• Description: Pllatinum? Low Power Frequency Synthesizer For Rf Personal Communications
• Manufacturer: National Semiconductor Corporation

www.national.com
1.0 Functional Description
1.6 Typical Application Example
OPERATIONAL NOTES:
**
power level. f
**
resistor is required. OSC
*
R1 increases impedance so that VCO output power is provided to the load rather than the PLL. Typical values are 10
50
VCO is assumed AC coupled.
termination is often used on test boards to allow use of external reference oscillator. For most typical products a CMOS clock is used and no terminating
IN
RF impedance ranges from 40
IN
may be AC or DC coupled. AC coupling is recommended because the input circuit provides its own bias. (See Figure below.)
to 100 .
(Continued)
14
DS100127-12
to 200
depending on the VCO
DS100127-11