SL1925
RF INPUTS
Preliminary Information
Vcc
IF-LOOPs-eSlEL
VREF 3
Converter RF inputs (pins 21, 22)
TANK
TANKB
VREF 2
1K 1K
Oscillator inputs (pins 6, 7, and 9,10)
Vcc
LPOSoOuUtTPUT
LPOSoOuUtbTPUTB
Oscillator select input (pin 24)
OPFI & OPFQ
Converter outputs (pins 1, 14)
VREF4
2K
AGC 12K
CONTROL
Prescaler buffer drive (Pins 3,4)
AGC input (pin 19)
Figure15a Input/Output interface circuits
10