LA75501V_07 SANYO [Sanyo Semicon Device], LA75501V_07 Datasheet - Page 6

• Manufacturer Part Number: LA75501V_07
• Description: For Use in TV/VTR Applications VIF/SIF Signal Processing IC
• Manufacturer: SANYO [Sanyo Semicon Device]

Test Conditions
V1. Circuit current [I 21 ]
V2. V3. Maximum RF AGC voltage, Minimum RF AGC voltage [V 17 H, V 17 L]
V4. Input sensitivity [Vi]
V5.
V6. Maximum allowable input [Vi max]
V7. No-signal video output voltage [V 6 ]
V8. Sync. signal tip voltage [V 6 tip]
V9. Video output level [V O ]
V10. Video S/N [S/N]
(1) External AGC (V 18 = 1.5V)
(2) RF AGC VR MAX
(3) Connect an ammeter to the V CC and measure the incoming current to pin 17.
(1) Internal AGC
(2) Input a 38.9MHz, 10mVrms, continuous wave to the VIF input pin.
(3) Adjust the RF AGC VR (resistance max.) and measure the maximum RF AGC voltage.
(4) Adjust the RF AGC VR (resistance min.) and measure the minimum RF AGC voltage.
(1) Internal AGC
(2) fp = 38.9MHz 400Hz 40% AM (VIF input)
(3) Turn off the SW1 and put 100kΩ through.
(4) Measure the VIF input level at which the 400Hz detection output level at test point A becomes 0.7Vp-p.
(1) Apply the V CC voltage to the external AGC, If AGC (pin 18).
(2) In the same manner under the same conditions as for V4 (input sensitivity), measure the VIF input level at which
(3) GR = 20log
(1) Internal AGC
(2) fp = 38.9MHz 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 18).
(2) Measure the DC voltage of VIDEO output (A).
(1) Internal AGC
(2) Input a 38.9MHz, 10mVrms, continuous wave to the VIF input pin.
(3) Measure the DC voltage of VIDEO output (A).
(1) Internal AGC
(2) fp = 38.9MHz 15kHz 78% AM
(3) Measure the peak value of the detection output level at test point A. (Vp-p)
(1) Internal AGC
(2) fp = 38.9MHz CW = 10mVrms (VIF input)
(3) Measure the noise voltage at test point A in RMS volts through a 10kHz to 4MHz band-pass filter.
(4) S/N = 20log
Vi = 10mVrms (VIF input)
the detection output level becomes 0.7Vp-p. ····· Vil *Vi: Input sensitivity
····· Noise voltage (N)
(3), (4) Measuring point F
AGC range [GR]
Vil
Vi
Video voltage (Vp-p)
dB
N (Vrms)
= 20log
LA75501V
1.12Vp-p
N(Vrms)
(dB)
No.A0224-6/10