la75693m Sanyo Semiconductor Corporation, la75693m Datasheet - Page 5

• Manufacturer Part Number: la75693m
• Description: Pal/ntsc Multi-channel Audio Vif/sif Signal Processing Ic For Tvs And Vcrs
• Manufacturer: Sanyo Semiconductor Corporation

Test Conditions
V1. Circuit current [I 5 ]
V2. V3. Maximum RF AGC voltage, Minimum RF AGC voltage [V 14 H, V 14 L]
V4. Input sensitivity [V i ]
V5. AGC range [GR]
V6. Maximum allowable input [V i max]
V7. No-signal video output voltage [ V6 ]
V8. Sync. signal tip voltage [V 6 tip]
V9. Video output level [V O ]
(1) Internal AGC
(2) Input a 45.75MHz 10mVrms continuous wave to the VIF input pin.
(3) RF AGC Vr MAX
(4) Connect an ammeter to the V CC and measure the incoming current.
(1) Internal AGC
(2) Input a 45.75MHz 10mVrms continuous wave to the VIF input pin.
(3) Adjust the RF AGC Vr (resistance max.) and measure the maximum RF AGC voltage. … F
(4) Adjust the RF AGC Vr (resistance min.) and measure the minimum RF AGC voltage. … F
(1) Internal AGC
(2) fp = 45.75MHz 15kHz 78% AM (VIF input)
(3) Turn off the S1 and put 100kΩ through.
(4) VIF input level at which the 15kHz detection output level at test point A becomes V O - 3dB.
(1) Apply the V CC voltage to the external AGC, IF AGC (pin 17).
(2) In the same manner under the same conditions as for V4 (input sensitivity), measure the VIF input level at which
(3) GR = Vil - Vi
(1) Internal AGC
(2) fp = 45.75MHz 15kHz 78% AM (VIF input)
(3) VIF input level at which the detection output level at test point A becomes video output (V O ) ±1dB.
(1) Apply the V CC voltage to the external AGC, IF AGC (pin 17).
(2) Measure the DC voltage at the VIDEO output (A).
(1) Internal AGC
(2) Input a 45.75MHz 10mVrms continuous wave to the VIF input pin.
(3) Measure the DC voltage at the VIDEO output (A).
(1) Internal AGC
(2) fp = 45.75MHz 15kHz 78% AM V i = 10mVrms (VIF input)
(3) Measure the peak value of the detection output level at test point A. (Vp-p)
the detection output level becomes V O - 3dB. … Vil
LA75693M
No.0250-5/9