3V, Ultra-Low-Power

Quadrature Modulator

4

_______________________________________________________________________________________

-60

69.0

70.6

71.0

MODULATOR OUTPUT SPECTRUM

-50

0

(MHz)

69.4

70.0

-20

-10

-30

-40

____________________________Typical Operating Characteristics (continued)

NAME

FUNCTION

1

IF

IF Inverting Output

2, 15

GND

Ground

PIN

3

I

Inphase Input

4

I

Inphase Inverting Input

8

TANK

Local-Oscillator Resonant Tank

Input

7

ENABLE

Enable Control, active high

6

Q

Quadrature Inverting Input

5

Q

Quadrature Input

13

N.C.

No Connect, no internal connection

to this pin

12

PRE_OUT

Local-Oscillator Divide-by-8

Prescaled Output

11

Local-Oscillator Supply

10

LO_GND

Local-Oscillator Ground

9

TANK

Local-Oscillator Resonant Tank

Inverting Input

_____________________Pin Description

16

IF

IF Output

14

Modulator Supply