GS9060 Data Sheet
Table 1-1: Pin Descriptions (Continued)
Pin
Name
Timing
Type
Description
Number
76
VCO_VCC
–
Output Power
Power supply for the external voltage controlled oscillator.
Connect to pin 5 of the GO1555/GO1525*. This pin is an output.
Should be isolated from all other power supplies.
*For new designs use GO1555
77
78
79
80
LF
Analog
Analog
Analog
–
Output
Input
Control voltage to external voltage controlled oscillator. Nominally
+1.25V DC.
CP_CAP
LB_CONT
CP_GND
PLL lock time constant capacitor connection. Normally connected
to VCO_GND through 2.2nF.
Input
Control voltage to set the loop bandwidth of the integrated
reclocker. Normally connected to VCO_GND through 40kΩ.
Power
Ground connection for the charge pump. Connect to analog
GND.
22208 - 8 January 2007
13 of 61
GENNUM [ GENNUM CORPORATION ]
