FEATURES AND SPECIFICATION
- Superior vestigial sideband filtering for adjacent channel systems
- Low spurious harmonic output
- Highly accurate crystal controlled oscillator
- 5 digits LED on Front panel
- Front panel keys for adjusting frequency, modulation level,
- A/V ratio, volume, RF signal level
- -25 dB test point on Rear panel
- GaAs Component used for N3282
- System: PAL-B/G/D, NTSC
|
Model |
N3151 |
N3182 |
N3282 |
||
RF output |
Frequency range (MHz) |
47-550 |
47-860 |
45-860 |
||
Frequency stability (KHz) |
㊣10 |
㊣10 |
㊣5 |
|||
Tuning step (KHz) |
// / |
/ |
250 |
|||
Output level (dB 米V) |
100 |
105 |
108 |
|||
Output level adjustable (dB) |
0 to -20 |
0 to -20 |
0 to -20 |
|||
Output return loss (dB) |
14 |
14 |
13 |
|||
Spurious output (dB) |
-62 |
-62 |
-60 |
|||
C/N Ratio in Channel (dB) |
65 |
65 |
65 |
|||
Audio/ video carrier ratio adjustable |
-10 to 每20 dB |
/ |
||||
Output impedance ( 次 ) |
75 |
75 |
75 |
|||
Video section |
Standard input level (V p-p) |
0.5 |
0.5 |
1.0 |
||
Input impedance ( 次 ) |
75 |
75 |
75 |
|||
Video S/N ratio (dB) |
53 |
60 |
50 |
|||
Video Response (dB) |
1.0 |
1.5 |
1.5 |
|||
Differential Gain |
<3% |
<3% |
2.5% |
|||
Differential Phase |
<3 ∼ |
<3 ∼ |
2.5∼ |
|||
C/L delay Inequality |
40nS |
40nS |
40nS |
|||
Video modulation level adjustable |
/ |
/ |
1-32 |
|||
Audio Section |
Input level range (dBmV) |
+5 ~ +25 |
+5 ~ +25 |
+5 ~ +25 |
||
Input impedance ( 次 ) |
>10k |
>10k |
>10k |
|||
Frequency response (dB) |
1.5 |
1.5 |
1.5 |
|||
Audio S/N (dB) |
55 |
55 |
52 |
|||
Audio distortion |
1.0% |
1.0% |
0.4% |
|||
Audio Frequency |
6.50,6.00,5.50,4.50 MHz Optional |
|||||
Pre-emphasis |
50米s |
50米s |
50米s |
|||
Audio Level Adjustable |
/ |
/ |
1-32 |
|||