SA647 Просмотр технического описания (PDF) - Philips Electronics

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SA647

Low-voltage digital IF receiver

Philips Electronics 

Philips Semiconductors

Low-voltage digital IF receiver

Product specification

SA647

AC ELECTRICAL CHARACTERISTICS

VCC = +3.0V, Mixer input freq = 110.52MHz, LO input freq = 109.92MHz, TA = 25°C; unless otherwise stated.

SYMBOL

PARAMETER

Mixer/Osc section

fIN

fOSC

NF

Input signal frequency

Crystal oscillator frequency

Noise figure at 110.52MHz

IIP3

Third-order input intercept point

GCP

RIN

CIN

ROUT

ISOL

Conversion power gain

Mixer input resistance

Mixer input capacitance

Mixer output resistance

Mixer RF to LO isolation

Buffered LO output level, DC coupled

External input level

IF section

IF amp power gain

Limiter power gain

IFBW

IF amp bandwidth

RSSI output

RSSI range

RSSI accuracy

RSSI ripple

RSSI speed – (Rise Time)

Input @ Pin 1

RSSI speed – (Fall time)

Input @ Pin 1

IF input impedance

IF output impedance

Limiter input impedance

Limiter output impedance

Limiter output (each pin)

Limiter output DC level

Differential output matching

Limiter output offset

TEST CONDITIONS

MIN

Matched input and output 50Ω

Matched input and output to 50Ω

Matched input and output to 50Ω

17

at 110.52 MHz

at 110.52 MHz

at 600 kHz

10kII3.9pF load

110

f = 110.52 MHz at Pin 4

250

Matched input and output 50W

30

51

Input power level = -113dBm, Pin 1

Input power level = -68dBm, Pin 1

Input power level = -29dBm, Pin 1

No filter

No filter

(Pin 10, Pin 11)

Output load is 1.5K in parallel with 30

pF to GND each pin

240

LIMITS

TYP

4.5

-29.5

20

670

3.0

1.5

32

230

36

60

2

0.30

1.00

1.55

85

±1.5

30

5

25

1.5

1.5

1.5

230

350

1.27

±5

0.09

MAX

200

200

23

320

420

UNITS

MHz

MHz

dB

dBm

dB

Ω

pF

kΩ

dB

mVP–P

mVP–P

dB

dB

MHz

V

V

V

dB

dB

mVP–P

µs

µs

kΩ

kΩ

kΩ

Ω

mVP–P

V

mV

V

1998 Aug 10

5

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