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Voltage - Triode (single high frequency) ·Triode

PC900

300 mA series-heater VHF neutrode triode for television RF tuner amplification.

Directly heatedCold cathodeCommon cathodeDissimilar

Sections: 1
Base: MINIATURE 7P
Socket code: B7G
Base pins: 7
Nominal heater: 3.9 V / 300 mA

Description

300 mA series-heater VHF neutrode triode; the source refers to EC900 for remaining characteristics.

Socket description

Miniature 7-contact

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base: MINIATURE 7P
Socket code: B7G
Base pins: 7
Nominal heater voltage: 3.9 V
Nominal heater current: 300 mA
Parallel heater voltage: -
Parallel heater current: -
Series capable: No

MINIATURE 7P - Terminal pinout

Electrical assignments shared by every tube using this base designation.

No verified pinout is recorded for this base designation.

Section ratings

1 physical section, each with unique specifications.

Section 1

Triode

X-ray radiationInterelectrode capacitances

Plate resistance: 5250 Ω
Transconductance: 0.0145 S
Amplification factor: 76
Max plate voltage: 550 V
Max plate dissipation: 2.2 W
Max cathode current: 20 mA

Published ratings and characteristics promoted from the approved English source.

Source-dependent data

Operating conditions by source

Each block preserves the test conditions and published values from one reference. Values from different sources are intentionally kept separate.

Data set 01

1967 Mullard Receiving and Amplifying Valves

Published operating points and test conditions from this source.

SECTION 1

Triode

Capacitance

c
0.35 pF
Published in approved PC900 target datasheet entry; Section1

Other

( c a _k+h+s 3
0 pF
Published in approved PC900 target datasheet entry; Section1
c 4
5 pF
Published in approved PC900 target datasheet entry; Section1
c
0.08 pF
Published in approved PC900 target datasheet entry; Section1
c
3.3 pF
Published in approved PC900 target datasheet entry; Section1
c <7
0 pF
Published in approved PC900 target datasheet entry; Section1
c 2
3 pF
Published in approved PC900 target datasheet entry; Section1
I 16 .5 11.5 16
5 mA
Published in approved PC900 target datasheet entry; Section1
gm 20 14. 5
20 mA
Published in approved PC900 target datasheet entry; Section1

Characteristic

gm 14
5 mA
Published in approved PC900 target datasheet entry; Section1

Data set 02

1968 Mazda Belvu

Published operating points and test conditions from this source.

SECTION 1

Triode

Characteristics

Heater or filament voltage
3.9 V
Published nominal or stated operating value
Heater or filament current
300 mA
Published nominal or stated operating value
Transconductance
14500 µS
Published/reference characteristic

Other

Maximum plate dissipation
2.2 W
Published/reference maximum rating

Data set 03

1972 Philips Receiving Tubes

Published operating points and test conditions from this source.

SECTION 1

Triode

Application

Application
VHFRFAmplifier text

Data set 04

1973 Mazda Valves Binder 2

Published operating points and test conditions from this source.

SECTION 1

Triode

Characteristics

Heater voltage
3.9 V
Published nominal value
Heater current
300 mA
Published nominal value
Transconductance
14500 µS
Published operating characteristic

Other

Maximum plate dissipation
2.2 W
Published maximum rating

Data set 05

1999 Philips E-Z

Published operating points and test conditions from this source.

SECTION 1

Triode

Characteristics

Typical plate voltage
135 V
Typical grid voltage
-1 V
Typical plate current
11.5 mA
Transconductance
14500 uS
Amplification factor
76
Plate resistance
5241 ohm

Capacitance

Anode-to-all-except-grid capacitance
3 pF
Grid-to-all-except-anode capacitance
4.5 pF
Anode-grid capacitance
0.365 pF
Anode-cathode capacitance
0.08 pF
Grid-cathode capacitance
3.3 pF
Cathode-heater capacitance
2.3 pF

Other

Operating transconductance maximum
20000 uS
PlateSupply=135V