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HPMX-5002-TR1

IF Modulator/Demodulator IC

HP => Agilent Technologies 

HPMX-5002 Pin Description

No. Mnemonic I/O Type

1 IFOP1

Analog O/P

Description

Output of IF amplifier, feeds quadrature network for discriminator

2 DMOD

Analog I/P Input to discriminator mixer, driven by output of quadrature network

3 DMODOP Analog O/P Output of discriminator mixer, drives external low-pass data filter

4

BUF1

Analog I/P Noninverting input of buffer amplifier that drives the data slicer

5

BUF2

Analog O/P Output of buffer amplifer that drives the data slicer

6 TCNT

Analog DC External capacitor connection which sets time constant for data slicer

7 TCSET

CMOS I/P Data slicer time constant select

8 DATOP CMOS O/P Output bit stream from data slicer

9

RSSI

Analog O/P Receive Signal Strength Indicator output

10 LKFIL

Analog DC External capacitor connection which sets time constant for lock detector

11 LKDET

CMOS O/P Indicates that LO2 PLL is in lock status

12

REF

Analog I/P Reference signal for LO2 PLL

13 VCC3

DC Supply PLL supply voltage

14 VEE3

Ground

PLL ground

15 DIV1

CMOS I/P Controls divide ratio for reference frequency input to the LO2 PLL

16 DIV2

CMOS I/P Controls divide ratio for reference frequency input to the LO2 PLL

17 DIV3

CMOS I/P Controls divide ratio for VCO frequency input to the LO2 PLL

20

PFD

Analog O/P LO2 PLL phase/frequency detector charge pump output

21 VEE4

Ground

LO2 VCO ground

22 VCC4

DC Supply LO2 VCO supply voltage

23

AGC

Analog DC External capacitor connection to compensate LO2 VCO AGC loop

24 VCOA

Analog I/P VCO tank force line

25 VCOB

Analog O/P VCO tank sense line

26 VCOADJ Analog I/P Controls amplitude of buffered LO2 VCO output

27 OSCOP Analog O/P Buffered LO2 output (+)

28 OSCOPB Analog O/P Buffered LO2 output (-)

29 VCC5

DC Supply 1st IF supply voltage

30 VEE5

Ground

1st IF ground

31 IPDC

Analog DC External capacitor connection for decoupling 1st IF bias point

32

IP1

Analog I/P 1st IF input signal

33 VCC1

DC Supply IF limiting amplifier supply voltage

34 VEE1

Ground

IF limiting amplifier ground

35

IF1

Analog O/P Downconverted signal from front-end mixer, drives external filter

(hi-Z output, open collector)

37 IFIP1

38 DC1A

Analog I/P

Analog DC

Input to IF limiting amplifier, driven by external filter

(600 Ω impedance, internally set)

External capacitor connection for decoupling IF limiting amplifier

39 VCC2

DC Supply IF limiting amplifier supply voltage

40 VEE2

Ground

IF limiting amplifier ground

7-109

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