HSP50307EVAL1(1996) 데이터 시트보기 (PDF) - Intersil

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HSP50307EVAL1
(Rev.:1996)

Burst QPSK Modulator

Intersil 

HSP50307

TABLE 3. GENERAL FUNCTIONAL SPECIFICATIONS

AVCC, DVCC = +5V, AVDD = +9V; RCLK = 2.048MHz; MCLK = 25.6MHz; TA = 0oC to 70oC

PARAMETER

MIN

TYP

QPSK Carrier Frequency

8.0

-

QPSK Carrier Frequency Step Size

-

32

Modulation Bandwidth

-

192

Raised Cosine Filter Response Excess Bandwidth (α)

-

0.5

Transmit Level Adjust

-

40

Data Rate

-

256

Baud Rate

-

128

NOTE: May operate up to 20MHz.

TABLE 4. QPSK PERFORMANCE SPECIFICATIONS

AVCC, DVCC = +5V, AVDD = +9V; RCLK = 2.048MHz; MCLK = 25.6MHz; TA = 0oC to 70oC

PARAMETER

MIN

TYP

Output Spurious Signals Less Than 54MHz

-

-40

Output Spurious Signals Greater Than 54MHz

-

-60

Off Mode Spurs

-

-

Transmit Level (D18-D13 = 000000)

59

62

Output Gain Adjust Relative Accuracy

-0.5

0.2

Absolute Output Accuracy at Any Step

-3.0

±2

QPSK Carrier Phase Noise at 10kHz Offset

-

-

QPSK Carrier Phase Noise at 1kHz Offset

-

-

QPSK Modulator Carrier Suppression

35

40

QPSK I/Q Amplitude Imbalance

-

-

QPSK I/Q Phase Imbalance

-

-

QPSK Passband Amplitude Ripple

-0.3

-

MAX

15 (Note)

-

-

-

-

-

-

MAX

-35

-50

-30

65

0.5

3.0

-75

-60

-

0.5

2.0

0.3

UNIT

MHz

kHz

kHz

-

dB

KBPS

KBPS

UNITS

dBc

dBc

dBmV

dBmV

dB

dB

dBc/Hz

dBc/Hz

dBc

dB

Degree

dB

7-73

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