CX74005 Просмотр технического описания (PDF) - Skyworks Solutions

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CX74005

VGA + I/Q Demodulator Rx ASIC for Portable Phone Applications

Skyworks Solutions 

CX74005

Rx ASIC

Table 5. CX74005 Rx ASIC Electrical Specifications (2 of 2)

(TA = 25° C, VCC = 3.0 V)

Parameter

Test Condition

Min

Rx VGA - I/Q Demodulator (continued)

Output level:

AMPS

CDMA

PCS

Maximum output level

1.4

Gain variation over frequency:

AMPS (0.1-12.2 kHz)

CDMA (1-630 kHz)

PCS (1-630 kHz)

I+, I–, and Q+, Q– DC offset

I/Q gain mismatch

I/Q phase mismatch

Output load impedance (differential)

10

Output impedance (differential)

500

Total supply current (includes I/Q mixers, LO buffers, and dividers)

Oscillator

Frequency range

100

Phase noise (fc = 200 MHz, unloaded Q = 20) @ 100 kHz offset

Second harmonic distortion (application dependent)

Output level to PLL (differential)

Output impedance to PLL (differential)

Total supply current (including external tank circuits)

Typical Max

2.75

2.50

2.50

0.1

0.3

0.1

0.3

0.1

0.3

1

6

0.2

0.3

2

4

15

640

–117

–30

–26

300

300

10

Units

mVrms

mVrms

mVrms

Vp-p

dB

dB

dB

mVrms

dB

deg

kΩ

Ω

mA

MHz

dBc/Hz

dBc

mVp-p

Ω

mA

6

Conexant - Preliminary

101252A

Proprietary Information and Specifications Are Subject to Change

March 13, 2001

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