Tuning Indicator ·TuningIndicator
Fluorescent tuning and modulation indicator for visual receiver tuning and modulation-level monitoring in radio and signal-monitoring equipment.
Tuning and modulation indicator tube for visual receiver tuning and modulation-level display.
Small-button Noval 9-contact
General specifications
Properties common to every published source and operating point.
Electrical assignments shared by every tube using this base designation.
No verified pinout is recorded for this base designation.
1 physical section, each with unique specifications.
Section 1
Promoted values come from the supplied datasheet; additional ratings, characteristics, and operating points are retained in TUBE_SECTION_PARAMETER.
Source-dependent data
Each block preserves the test conditions and published values from one reference. Values from different sources are intentionally kept separate.
Data set 01
Published operating points and test conditions from this source.
Supply voltage
200 V
Target series resistance
200 kOhm
Indicator current
0.8 mA
LowDeflection
Indicator current
1.4 mA
MediumDeflection
Supply voltage
240 V
Indicator current
1.8 mA
HighDeflection
Target cold voltage
550 V
Target voltage minimum
170 V
Target voltage maximum
250 V
Target dissipation maximum
0.6 W