ISL3685IR96 查看數據表（PDF） - Intersil

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ISL3685IR96

2.4GHz RF/IF Converter and Synthesizer

Intersil 

ISL3685

Cascaded LNA/Mixer AC Electrical Specifications Assumes a direct connection between the LNA and Mixer, IF = 374MHz,

LO = 2075MHz at

Unless Otherwise

S-6pdeBcmifie, dV,C2C5o=C2.7(Continued)

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNITS

LNA Input 50Ω VSWR with Match Network

High Gain Mode

-

-

2.0:1

-

Low Gain Mode

-

-

2.0:1

-

LO VSWR (Direct)

LO = Single End

-

-

2.0:1

-

Differential IF Output Load

Shared with TX

-

200

-

Ω

IF Output Capacitance (Single Ended)

-

1.2

-

pF

IF Output Resistance (Single Ended)

-

5.5

-

kΩ

LO to LNA Input Feedthrough (Cascaded, no Filter)

-

-65

-50

dBm

Gain Switching Speed at Full Scale - High to Low

±1dB settling

-

0.03

0.1

µs

Gain Switching Speed at Full Scale - Low to High

±1dB settling

-

0.25

0.3

µs

Image Rejection (Cascaded, No Filter)

With Matching Network

-

14

-

dB

Cascaded Transmit Mixer AC Electrical Specifications Assumes a direct connection between the Mixer and Preamplifier,

F = 374MHz, LO = 2075MHz at -6dBm, VCC = 2.7 Unless Otherwise

Specified, 25oC.

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNITS

RF Frequency Range

2400

-

2500

MHz

IF Frequency Range

280

374

600

MHz

LO Frequency Range

1800

-

2220

MHz

Power Conversion Gain

200Ω In, 50Ω Out

21

25

29

dB

SSB Noise Figure

-

10

15

dB

Output IP3

+12

+14

-

dBm

Output P1dB

+2.8

+4

-

dBm

LO Input Drive Level

Same as RX

-10

-6

0

dBm

LO to Transmit Amp. Output Feedthrough (Cascaded, No

Filter)

-

-25

-

dBm

Preamplifier Output 50Ω VSWR

LO 50Ω VSWR

Differential IF Input Load

LO = Single End

Shared with RX

-

-

3.0:1

-

-

1.4:1

2.0:1

-

-

200

-

Ω

IF Input Capacitance (Single Ended)

-

1.1

-

pF

IF Input Resistance (Single Ended)

-

0.7

-

kΩ

Phase Lock Loop Electrical Specifications (See Notes 4 through 12)

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNITS

Operating LO Frequency (32/33 Prescaler)

1800

-

2220

MHz

Operating LO Frequency (64/65 Prescaler)

1800

-

3500

MHz

Reference Oscillator Frequency

-

-

50

MHz

Selectable Prescaler Ratios (P)

32/33

-

64/65

-

Swallow Counter Divide Ratio (A Counter)

0

-

127

-

Programmable Counter Divide Ratio (B Counter)

3

-

2047

-

Reference Counter Divide Ratio (R Counter)

3

-

32767

-

Reference Oscillator Sensitivity, Single or Differential

Sine Inputs

0.5

-

VCC

VPP

5

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