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■ Agile Modulator JB862-A

Features
 45~870MHz agile frequency.
 High stability webbing filter.
 Spurious suppression ≥60dB.
 Fourfold PLL frequency lock.
 IF input and IF output are equipped on rear panel.
 High quality RF hybrid ensures high output level and low distortion.
 LED on front panel displays channel number.
 Power-off memory functioned.
 19', 1U.

RF

Unit

Specifications

Frequency Range

MHz

45~870MHz

Output Level

dBμV

≥115 (adjustable), 75Ω

Spurious Suppression

dB

≥60

Webbing Restrain

dB

≥25dB

Frequency Accuracy

KHz

≤5

Output Reflection

dB

≥10

Picture-Audio Separation

KHz

6500±5 KHz (PAL-D/K)
6000±5 KHz (PAL-I)
5500±5 KHz (PAL-B/G)
4500±5 KHz (NTSC)

V/A Rate

dB

10~20dB adjustable

IF Output Frequency

MHz

38 MHz (PAL-D/K),  38.9 MHz (PAL-B/G), 

45.75 MHz (NTSC)

IF Output Level

dBμV

90

Video

Input Level

Vp-p

≥0.7Vp-p  (modulation degree @ 87.5%)

Input Impedence

Ω

 75Ω

Modulation Degree

-

87.5%  (adjustable)

Differential Phase

-

≤3°

Differential Gain

-

≤3%

Chroma Luminance Delay △t

ns

≤45ns

Frequency Response

dB

≤2dB

Flatness

dB

≤2dB

K Coefficient

-

≤4%

S/N

dB

≥50

Audio

Input Impedance

KΩ

≥10 (imbalance)

Input Level

dBm

0

Pre-Aggravate

uS

50

Distortion

-

≤0.5%

Frequency Response

dB

≤1.5  (adjustable)

Audio S/N

dB

≥55

Connector

Audio / Video Input

-

RCA connector

RF / IF

-

F connector

Power

Power Supply

V

AC 220V±10%

Power

W

max. 8W

Mechanical

Dimensions

mm

483x240x44 (19', 1U)

Weight

kg

5.0

 
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