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Voltage - Triode (single high frequency) ·Triode

PC97

Low-capacitance VHF RF triode intended specifically for television-tuner amplification.

Directly heatedCold cathodeCommon cathodeDissimilar

Sections: 1
Base: MINIATURE
Socket code: B7G
Base pins: -
Nominal heater: 4.5 V / 300 mA

Description

Low-anode-to-grid-capacitance RF triode intended for VHF television-tuner amplification.

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
Socket code: B7G
Base pins: -
Nominal heater voltage: 4.5 V
Nominal heater current: 300 mA
Parallel heater voltage: -
Parallel heater current: -
Series capable: No

MINIATURE - 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: 5000 Ω
Transconductance: 0.013 S
Amplification factor: 65
Max plate voltage: 200 V
Max plate dissipation: 2.2 W
Max cathode current: 20 mA

Published ratings and characteristics promoted where clearly stated; identical repeated sections compressed where applicable.

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 Tubes for Maintenance

Published operating points and test conditions from this source.

SECTION 1

Triode

Capacitance

Ih
300 mA
Published in approved PC97.pdf target datasheet; Section1
Ca- g 480
0.5 pF
Published in approved PC97.pdf target datasheet; Section1
Cg-k 3.2
3.2 pF
Published in approved PC97.pdf target datasheet; Section1
Ca-k 210
0.25 pF
Published in approved PC97.pdf target datasheet; Section1
Cg-k+h+S 5.0
5 pF
Published in approved PC97.pdf target datasheet; Section1
Ca-k +h+S 4.2
3.3 pF
Published in approved PC97.pdf target datasheet; Section1
Cg- h 280
0.28 pF
Published in approved PC97.pdf target datasheet; Section1
Ck- h 2.5
2.5 pF
Published in approved PC97.pdf target datasheet; Section1

Characteristic

la
11 mA
Published in approved PC97.pdf target datasheet; Section1

Other

la 10.5 13 14
14 mA
Published in approved PC97.pdf target datasheet; Section1
gm 13 15.5 16
16 mA
Published in approved PC97.pdf target datasheet; Section1
la 12 13 14
14 mA
Published in approved PC97.pdf target datasheet; Section1
Ik max
20 mA
Published in approved PC97.pdf target datasheet; Section1
B
7 G
Published in approved PC97.pdf target datasheet; Section1

Data set 02

1973 Mazda Valves Binder 2

Published operating points and test conditions from this source.

SECTION 1

Triode

Characteristics

Heater voltage
4.5 V
Published nominal value
Heater current
300 mA
Published nominal value
Transconductance
13000 µS
Published operating characteristic

Other

Maximum plate dissipation
2.2 W
Published maximum rating

Data set 03

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 mA
Transconductance
13000 uS
Amplification factor
65
Plate resistance
5000 ohm

Capacitance

Anode capacitance
4.3 pF
Grid capacitance
5 pF
Anode-grid capacitance
0.48 pF
Anode-cathode capacitance
0.21 pF
Grid-cathode capacitance
3.2 pF
Cathode-heater capacitance
2.5 pF

Other

Operating transconductance
14000 uS
PlateSupply=200V;CathodeResistor=82ohm
Operating transconductance
15500 uS
PlateSupply=200V;FixedBias