Telequipment D56: Difference between revisions
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== | ==Specification in brief== | ||
* This unit is manufactured late (Nov-Dec) 1966. | * This unit is manufactured late (Nov-Dec) 1966. | ||
* brief spec to be | * Frequency Range between DC and 10 MHz (-3 dB). | ||
* Vertical Sensitivity between 10 mV/div to 50 V/div in 1-2-5 steps and including a 10x multiplier switch. | |||
* Rise Time in the area of 23 ns or more. | |||
* Input Impedance 1 Mohm // 40pF. | |||
* Sweep Rates between 500 ns/div to 5 s/div in 1-2-5 steps in calibrated mode with a 1-10 variable multiplier. | |||
* 10 MHz time calibrator (intensity modulated marker) on ch 1 using Timebase A. | |||
* Mains 90 - 240 VAC, 50 Hz, ca 275 VA. | |||
* Dimensions 24 cm x 43 cm x 48 cm. | |||
* Weight about 50 lbs. | |||
* brief spec to be continued | |||
* ... | |||
==Manual== | ==Manual== | ||
* Manual not available. The closest manual available is from the D55A. | * Manual is not available. The closest manual available is from the D55A with only tubes. | ||
* Mixed tubes and transistors. | * Mixed tubes and transistors. | ||
| Line 30: | Line 40: | ||
* 10 mV/div compared to 100 mV/div Sensitivity. | * 10 mV/div compared to 100 mV/div Sensitivity. | ||
* Circuit Boards are used more consistently apart from the Vertical Amplifiers. | * Circuit Boards are used more consistently apart from the Vertical Amplifiers. | ||
* Mixed Transistors and Tubes. | * Mixed Transistors and Tubes. Still many tubes, but adding transistors gives more possibilities. | ||
==Tubes== | ==Tubes== | ||
| Line 38: | Line 48: | ||
* Time Delay: V302: ECC88, V303: ECC88. | * Time Delay: V302: ECC88, V303: ECC88. | ||
* Trace Blanking: V304: ECC88, V305: ECC88, V403: EF184. | * Trace Blanking: V304: ECC88, V305: ECC88, V403: EF184. | ||
* Regulators Board PC23: V301: ECC88. | * Regulators Board ? PC23: V301: ECC88. | ||
* Regulators Board PC24: V401: EL86, V402: ECF80. | * Regulators Board PC24: V401: EL86, V402: ECF80. | ||
* CRT: 5" flat-face, double gun, P1 phosphor. 1374K G.E.C. | * CRT: 5" flat-face, double gun, P1 phosphor. 1374K G.E.C. | ||
| Line 55: | Line 65: | ||
07_TQD56_Side_Vertical 20240212.jpg | D56 Vertical Amplifiers Side View | 07_TQD56_Side_Vertical 20240212.jpg | D56 Vertical Amplifiers Side View | ||
08_TQD56_Vertical_Amplifiers 20240212.jpg | D56 Vertical Amplifiers Side View | 08_TQD56_Vertical_Amplifiers 20240212.jpg | D56 Vertical Amplifiers Side View | ||
09_TQD56_Rear_regulators 20240212.jpg | | 09_TQD56_Rear_regulators 20240212.jpg | Rear View with Transformers and Regulators | ||
10_TQD56_Rear_closeup 20240212.jpg | D56 Regulators | 10_TQD56_Rear_closeup 20240212.jpg | D56 Regulators | ||
11_TQD56_Side_Timebase 20240212.jpg | | 11_TQD56_Side_Timebase 20240212.jpg | Timebase Side View | ||
12_TQD56_Timebase_A 20240212.jpg | | 12_TQD56_Timebase_A 20240212.jpg | Timebase A top | ||
13_TQD56_PC27_20240212.jpg | | 13_TQD56_PC27_20240212.jpg | Trace Blanking Board PC27 | ||
15_TQD56_Front_PC26 20240212.jpg | Timing Delay Transistors | |||
16_TQD56_Motorola_T119 20240212.jpg | Trigger? Board Transistors | |||
17_TQD56_Trimmer_A 20240212.jpg | Neutralization Trimmer, do not change | |||
19_TQD56_Vertical 20240212.jpg | Vertical Amplifier Component Side | |||
20_TQD56_PC25 20240212.jpg | Rear Board on Vertical Side | |||
</gallery> | </gallery> | ||
[[Category:Telequipment]] | [[Category:Telequipment]] | ||
[[Category:CRT based analog mixed tube and transistor scopes]] | [[Category:CRT based analog mixed tube and transistor scopes]] | ||
Revision as of 14:25, 12 February 2024
The Telequipment D56 is a 10 MHz dual-channel, dual beam oscilloscope.
Key Specifications
- please add
Specification in brief
- This unit is manufactured late (Nov-Dec) 1966.
- Frequency Range between DC and 10 MHz (-3 dB).
- Vertical Sensitivity between 10 mV/div to 50 V/div in 1-2-5 steps and including a 10x multiplier switch.
- Rise Time in the area of 23 ns or more.
- Input Impedance 1 Mohm // 40pF.
- Sweep Rates between 500 ns/div to 5 s/div in 1-2-5 steps in calibrated mode with a 1-10 variable multiplier.
- 10 MHz time calibrator (intensity modulated marker) on ch 1 using Timebase A.
- Mains 90 - 240 VAC, 50 Hz, ca 275 VA.
- Dimensions 24 cm x 43 cm x 48 cm.
- Weight about 50 lbs.
- brief spec to be continued
- ...
Manual
- Manual is not available. The closest manual available is from the D55A with only tubes.
- Mixed tubes and transistors.
Difference D56 and D55A
- The main differences between D56 and D55A are the following:
- 10 MHz compared to 15 MHz Bandwidth.
- 10 mV/div compared to 100 mV/div Sensitivity.
- Circuit Boards are used more consistently apart from the Vertical Amplifiers.
- Mixed Transistors and Tubes. Still many tubes, but adding transistors gives more possibilities.
Tubes
- 35 tubes + CRT (same CRT as in the D55A).
- Vertical Amplifiers (each): 2xEF184, 2xECC88, 2xE810F.
- Horizontal Amplifiers (each): V101: ECF80, V102 ECF80, V103: ECC88, V104: ECC88, V105: EB91, V106: ECF80, V107: ECF80, V108: ECF80, V109: ECF80.
- Time Delay: V302: ECC88, V303: ECC88.
- Trace Blanking: V304: ECC88, V305: ECC88, V403: EF184.
- Regulators Board ? PC23: V301: ECC88.
- Regulators Board PC24: V401: EL86, V402: ECF80.
- CRT: 5" flat-face, double gun, P1 phosphor. 1374K G.E.C.
Transistors
- 9 germanium PNP transistors.
- Motorola T-119, TO-92, germanium, PNP: TR251, TR252, A; TR101, TR102, B; TR101, TR102. 6 pcs. total.
- Newmarket 452, T0-3, germanium, PNP, 3A.
- Newmarket ACY22, TO-5, Germanium, PNP. 225mW, 2 pcs.
Pictures
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D56 Front View
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D56 trace
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D56 Rear View
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D56 Vertical Amplifiers Side View
-
D56 Vertical Amplifiers Side View
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Rear View with Transformers and Regulators
-
D56 Regulators
-
Timebase Side View
-
Timebase A top
-
Trace Blanking Board PC27
-
Timing Delay Transistors
-
Trigger? Board Transistors
-
Neutralization Trimmer, do not change
-
Vertical Amplifier Component Side
-
Rear Board on Vertical Side
