DIVV
CC
PIN 26
PIN 30
DIVMC i/p
LOW = 1/33
OPEN OR V
CC
= 1/32
PIN 27
DIVGND
Figure 21. Equivalent Circuit for the Divider Modulus Control.
VCOV
CC
, PIN 22
TO USE WITH INJECTED LO SIGNAL,
DRIVE PIN 20 (VCOTNKS) WITH
630 m V
p-p
.
LEAVE PIN 21 (VCOTNKF) FLOATING
AS SHOWN BELOW.
C = 22 p MAX. FOR MINIMAL
TURN ON DELAYS.
20
PIN 21
OPTIONAL
FOR SWR
21
7k
PIN 20
VCOGND, PIN 23
Figure 22. Equivalent Circuit for VCO Tank Connection and Recommended
Tank Circuit.
V
CC
ALL LOGIC CONTROL
PINS ARE ACTIVE LOW.
OPEN OR V
CC
=
NOT ACTIVE.
TXCTRL, PIN 1
LOCTRL, PIN 31
RXCTRL, PIN 32
GND
Figure 23. Equivalent Circuit for Logic Control Pin 1, 31, and 32.
7-98