SL1925 Ver la hoja de datos (PDF) - Mitel Networks

Número de pieza

componentes Descripción

Fabricante

SL1925

Satellite Zero IF QPSK Tuner IC

Mitel Networks 

SL1925

Preliminary Information

Electrical Charqacterisitics

These characteristics are guaranteed by either production test or design. They apply within the specified

ambient temperature and supply voltage unless otherwise stated.

T

amb

=

-20°C

to

+

70°C,

Vee=

0V,

Vcc

=

4.75V

to

5.25V.

Desired

channel

at

fc

MHz

Characteristic

Value

Pin

Units

Min Typ Max

Conditions

Supply current, Icc

2,13,23

130 175 mA

RF input operating frequency

21,22 950

2150 MHz

SYSTEM

System noise figure, DSB

21,22

Variation in system NF with gain 21,22

adjust

System input referred IP2

135

System input referred IP3

110

System conversion gain

Minimum AGC gain

Maximum AGC gain

59

Gain Roll off

System I/Q gain match

18,25 -1

System I/Q phase balance

18,25 -3

System I & Q channel in band

18,25

ripple

LO 2nd harmonic interference level

LNA 2nd harmonic interference

level

All other spurii on I & Q outputs 18,25

CONVERTER

Converter input impedance

21,22

All system specification items should be

read in conjunction with Note 1.

19

dB Maximum gain, AGC = 1V

-1 dB/dB See Figure 10

140

dBµV See Note 2.

113

dBµV See Note 3.

Terminated voltage conversion gain into

load as in Figure 3.

AGC monotonic from Vee to Vcc, see

Figure 6

20 dB AGC = 4.0V, 950MHz

dB AGC = 1.0V, 950MHz

5

dB 950MHz to 2150MHz

+1 dB Excluding interstage filter stage

3 deg Excluding interstage filter stage

1

dB Excluding interstage filter stage

-50

dBc

See Note 5

-35

dBc

See Note 6

78 dBµV Within 0 →100MHz band, under all gain

settings, RF input set to deliver 108dBµV

at baseband outputs

75

Ω See Figure 5

Converter input return loss

21,22 10

12

dB

Converter input referred IP2

Converter input referred IP3

Converter input referred IM2

Converter input referred IM3

Converter input referred 1dB

gain compression (P1dB)

Converter conversion gain

21,22 121

21,22 110

21,22

21,22

21,22

Minimum AGC gain

Maximum AGC gain

30

AGC gain control slope variation

AGC control input current

19 -250

130

dBµV See Note 4

112

dBµV See Note 4

-33 -24 dBc

See Note 4

-30 -26 dBc

See Note 4

See Figure 9

-5 dB

dB

250 µA

Terminated voltage conversion gain in

load as in Figure 3.

AGC = 4.0V

AGC = 1.0V

Monotonic from Vee to Vcc, see Figure 6

AGC bandwidth 100kHz

12

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