
Test Conditions
1. Power-supply current with no input signal applied
2. Pin output voltage with no input signal applied (center bias voltage)
3. Measure the C-OUT output when 350-mVp-p sine wave signals are input to C-IN1 and C-IN2.
GVC = 20 log
[dB]
Measured frequencies
GVC-1
4.429662 MHz
(PAL/GBI)
GVC-2
4.425694 MHz
(4.43 NTSC)
4. Measure the comb depth from the C-OUT output when 350-mVp-p sine wave signals of frequency fa are input to C-
IN1 and C-IN2 and when signals of frequency fb are input.
CD = 20 log
[dB]
Measured frequencies
fa
fb
CD-1
4.429662 MHz
4.425756 MHz
(PAL/GBI)
CD-2
4.425694 MHz
4.417819 MHz
(4.43 NTSC)
5. Measure the C-OUT output when 200-mVp-p sine wave signals are input to C-IN1 and C-IN2 and when 500-mVp-p
sine wave signals are input and calculate the gain difference.
LNC = 20 log (
/
) [dB]
Measured frequencies
LNC-1
4.429662 MHz
(PAL/GBI)
LNC-2
4.425694 MHz
(4.43 NTSC)
6. Measure the 3fsc (13.3 MHz) and fsc (4.43 MHz) components in the C-OUT output with no input signal applied.
7. Measure the noise in the C-OUT output with no input signal applied.
Set up the noise meter with a 200-kHz high-pass filter and a 5-MHz low-pass filter.
8. Let V1 be the C-OUT output when 350-mVp-p sine wave signals are input to C-IN1 and C-IN2 with SW3 in the a
position, and V2 be the C-OUT output with SW3 in the b position.
ZOC =
× 500 []
Measured frequencies
ZOC-1
4.429662 MHz
(PAL/GBI)
ZOC-2
4.425694 MHz
(4.43 NTSC)
V2 [mVp-p] – V1 [mVp-p]
V1 [mVp-p]
Output for a 200-mVp-p input [mVp-p]
200 [mVp-p]
Output for a 500-mVp-p input [mVp-p]
500 [mVp-p]
The C-OUT output for an fb input [mVp-p]
The C-OUT output for an fa input [mVp-p]
C-OUT output [mVp-p]
350 [mVp-p]
No. 5391-5/7
LC89975M