LTC5535ES6 데이터 시트보기 (PDF) - Linear Technology

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LTC5535ES6

Precision 600MHz to 7GHz, RF Detector with Adjustable Gain and 12MHz Baseband Bandwidth

Linear Technology 

LTC5535

APPLICATIO S I FOR ATIO

Applications

The LTC5535 can be used as a self-standing signal strength

measuring receiver for a wide range of input signals from

–32dBm to 10dBm for frequencies from 600MHz to 7GHz.

The LTC5535 offers increased baseband bandwidth com-

pared to other Schottky diode detectors. Table 1 shows

that the baseband (demodulation) bandwidth is typically

12MHz at an RF input signal level of –10dBm. The baseband

bandwidth is largely independent of the RF input signal

frequency over the range of 600MHz to 7GHz.

Table 1

INPUT LEVEL OUTPUT BW FREQUENCY

(dBm)

–3dB (MHz)

(GHz)

GAIN

–20

12.5

3

2

–10

12

3

2

–5

11

3

2

0

9.5

3

2

Operation at higher RF input frequencies is achievable.

Consult factory for more information.

The LTC5535 can be used as a demodulator for AM and

ASK modulated signals. Depending on specific application

needs, the RSSI output can be split between two branches,

providing AC-coupled data (or audio) output and a

DC-coupled RSSI output for signal strength measure-

ments and AGC.

5535f

10

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