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3.45V Single Supply Operation
Low Power Dissipation: 250mW typ
Broadband: DC to 6GHz
SSB Phase Noise: 鈥?50dBc/Hz @ 10KHz
Pout 0dBm
Surface Mount Plastic Package: 8 SOIC
Issue 1
October 2002
Ordering Information
ZL40803/DCA (tubes)
8 pin SOIC
ZL40803/DCB (tape and reel) 8 pin SOIC
-40擄C to +85擄C
Prescaler Modulus
ZL40803 鈥?Divide by 2
Description
The ZL40803 are Bipolar 3.45V supply, very low power
prescalers for professional applications with a fixed
modulus of 2. The ultra low close in (1KHz offset) SSB
phase noise performance is ideal for narrow band
communications systems or systems with ultra low jitter
budgets such as next generation fibre optic
communications. The devices are broadband from DC
to 6GHz.
See Figure 1 and Application Note for RF Prescalers for
more details.
Applications
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DC to 6 GHz PLL applications
HyperLan
LMDS
Instrumentation
Satellite Communications
Fibre Optic Communications; OC48, OC192
Ultra Low Jitter Clock Systems
Vcc_Out
200
200
Vcc_In
Block Diagram
Output
Vref
Input
Input bar
400
Div N
Output Bar
10mA
Gnd
Gnd
Figure 1 - Functional Block Diagram
1
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