CX74036 데이터 시트보기 (PDF) - Conexant Systems

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CX74036

IS-136 Receive RF IC for TDMA and AMPS Applications

Conexant Systems 

CX74036

Parameter

Output impedance

LO input port impedance

LO input port load isolation

Required LO level

LO to RF port isolation

LO to IF port isolation

Input frequency range

Output frequency

Power gain

Noise figure

Input impedance

Output P1dB

Output IP3

Required LO level for external source

LO leakage at RF port

LO leakage at IF port

Output impedance

Frequency range

Dynamic range

Maximum voltage gain

Maximum power gain

Input noise figure, maximum gain

Input noise figure, minimum gain

Input P1dB @ Gain = 0 dB

Output IP3 @ Gain = 0 dB

Input impedance

Gain slope

VGA control

8

Table 6. Electrical Characteristics (3 of 5)

VCC = 3.0 V, TA = 25 oC

Symbol

Test Conditions Minimum

MIX 1900 (continued)

Set externally using

defined circuit

topology.

Internal match.

External AC coupled

Active/standby

–20

transition

–13

Referenced to LO

input pin

Referenced to LO

input pin

MIX-2

120

–40 to +85 °C

14

15 dB of power gain

= 22 dB of Volt gain

15 to 50 °C

–40 to +85 °C

Differential, possible

to use single-ended

also

15 to 50 °C

1

–40 to +85 °C

0

High input

impedance. In place

of the internal VCO

Assuming 50 Ω

calculation or match

Assuming 50 Ω

calculation or match

Single-ended

1.8k

VGA 450

300

Typical

400

50

–10

30

20

450

15

12

400

–8

2

300

2k

450

70

54

70

43

–20

IP3 will remain

–10

constant over the

entire gain range

Differential

2k

45

Analog control

0.25

voltage

Maximum

–5

180

16

13

14

–40

–30

2.2k

500

15

2.5

Receive RF IC

Units

Ω

Ω

dB

dBm

dB

dB

MHz

kHz

dB

dB

Ω

dBm

dBm

mVp-p

dBm

dBm

Ω

kHz

dB

dB

dB

dB

dBm

dBm

Ω

dB/V

V

Conexant – Proprietary

Data Subject to Change

101105A

October 17, 2000

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