LA7790M datasheet(3/14 Pages) SANYO

Part #	LA7790M

Description	QPSK Transmitter for Cable TV

Download	14 Pages

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Manufacturer	SANYO [Sanyo Semicon Device]

Direct Link	https://www.sanyo-av.com/us/

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3 / 14 page

No. 5689-3/14

LA7790M

Parameter

Symbol

Conditions

Ratings

Unit

min

typ

max

Band switch 2 “H” level

V12H

Note 7: V17 = V21 = VCC,

4

V

f(V11) = 25 MHz

V20 = V23 = GND, S1 = A

Band switch 2 “L” level

V12L

Note 7: V17 = V21 = VCC,

1

V

f(V11) = 12.5 MHz

V20 = V23 = GND, S1 = A

RF output amplifier

Maximum output level

V1 max

Note 8: V12 = V17 = V21 = VCC,

7

10

13

dBm

V20 = V23 = GND, SG3 = –6 dBm, S1 = A

V1(HD2)

Note 8: V12 = V17 = V21 = VCC,

40

dBc

Maximum output distortion

V20 = V23 = GND, SG3 = –6 dBm, S1 = A

V1(HD3)

40

dBc

Muting

Muting on voltage

V23H

V12 = V17 = V21 = VCC,

4

V

V20 = GND, S1 = B

Muting off voltage

V23L

V12 = V17 = V21 = VCC,

1

V

V20 = GND, S1 = B

Muting attenuation

V1(mute)

Note 9: V23 = 1 V → 4 V

70

dB

V12 = V17 = V21 = VCC, V20 = GND, S1 = B

Power save function

Power save on voltage

V20H

4

V

Power save off voltage

V20L

1

V

Power save current

I1

Note 10: V20 = 4 V

0

0.1

mA

Continued from preceding page.

Pin Assignment

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