RF133 查看數據表（PDF） - Conexant Systems

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RF133

RF/IF Transceiver For GSM Applications

Conexant Systems 

RF133

RF/IF Transceiver

Table 4. RF133 Electrical Specifications (4 of 4)

(TA = 25 °C, VCC = 3.0 V, except where noted)

Parameter

Symbol

Test Condition

Min

Typ

Max

Units

Transceiver

DC offset calibration timing (see Figure 4):

T1

T2 (see Table 2)

T3

T4 (assuming RF210 front-end mixer)

Enable and control VIH

VIH

40

µs

µs

5

µs

20

µs

VCC ×

V

0.8

Enable and control VIL

VIL

VCC ×

V

0.2

Enable and control IIH

Enable and control IIL

Total supply current:

Rx mode

Tx mode

Synthesizer mode

Sleep mode (VCC = 5.0 V)

Power supply range (transceiver Vcc)

IIH

IIL

ICC

(SXENA=RXENA=on)

(SXENA=TXENA=on)

(SXENA=on)

VCC

20

60

µA

–10

–1

0

µA

52

mA

54

mA

17

mA

0.1

mA

2.7

3.0

5.0

V

Operating temperature range

TA

–40

+25

+85

°C

Note 1: Gain steps are such that monotonicity is maintained throughout the entire IF gain range.

Note 2: Specified down to 2.8 V supply voltage. Slight degradation at temperature extremes for 2.7 V supply voltage.

Note 3: Refer to Figure 7 for the 1 dB compression point of the entire receiver chain, including the baseband gain section.

Note 4: For 1 Vp-p 100 kHz differential signals acorss lin and Qin.

Note 5: Using transmit VCO with similar characteristics as Murata MQE 550-902.

Note 6: Using varactors with similar characteristics as Alpha part SMV1234-004.

Note 7: Refer to Figure 6.

10

October 8, 1999

Conexant

Proprietary Information and Specifications are Subject to Change

100776A

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