7-93

Table 1 - HPMX-5001 Pin Description

No.

Mnemonic

I/O Type

Description

1

TXCTRL

CMOS I/P

Controls biasing of transmit mixer, amplifiers, and doubler

3

RXIFB

Analog O/P

Inverted single-ended downconverted receiver output,

4

RXIF

Analog O/P

Single-ended downconverted receiver output, drives SAW

filter (internal 750

Ω resistor connects to RXIFB)

5

TXIF

Analog I/P

Transmit non-inverting IF input

6

TXIFB

Analog I/P

Transmit inverting IF input

7

LNAREF

Analog DC I/P

Reference input for receive input amplifier

8

RXRF

Analog I/P

Receive RF input

10

TXRXVCC

DC Supply

Supply voltage for transmit path, receive front-end and mixer

11,15

TXRXGND

Ground

Ground for transmit path, receive front-end and mixer

12

TXRFB

Analog O/P

Inverting output of transmit path (see test diagram for

matching network)

14

TXRF

Analog O/P

Non-inverting output of transmit path (see test diagram for

matching network)

16

DBLVCC

DC Supply

Supply voltage for LO frequency doubler

17

DBLGND

Ground

Ground for LO frequency doubler

20

VCOTNKS

Analog I/P

Sense line from external tank circuit to on-chip VCO amplifier

21

VCOTNKF

Analog O/P

Force line from on-chip VCO amplifier to external tank circuit

22

VCOVCC

DC Supply

Supply voltage for on-chip VCO amplifier

23

VCOGND

Ground

Ground for on-chip VCO amplifier

26

DIVVCC

DC Supply

Supply voltage for 32/33 dual-modulus prescaler

27

DIVGND

Ground

Ground for 32/33 dual-modulus prescaler

28

DIV

Analog O/P

Output from 32/33 dual-modulus prescaler

30

DIVMC

CMOS I/P

Modulus control signal for 32/33 dual-modulus prescaler

31

LOCTRL

CMOS I/P

Controls biasing for VCO and 32/33 dual modulus prescaler

32

RXCTRL

CMOS I/P

Controls biasing for receive mixer, amplifiers, and doubler

2, 9, 13,

VSUB

Ground

Substrate bias voltage

18,19,24,

25,29

Table 2 - HPMX-5001 Mode Control

(CMOS Logic Levels - all pins internally pulled up to high level)

Mode

TXCTRL

RXCTRL

LOCTRL

Transmit

0

1

0

Receive

1

0

0

Synth

1

1

0

Standby

1

1

1