Ballantine 340 Instruction Manual Download Page 22 | Manualshive

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Summary of Contents for 340

Page 1: ...90100141A Printed in U S A MODEL 340 RF MILLIVOLTMETER BALLANTINE LABORATORIES INC P O BOX 97 BOONTON NEW JERSEY 07005 USA 201 335 0900 TWX 71 0 987 8380 JUNE 1972...

Page 2: ...standards as described in the validation procedures shown below REFERENCE STANDARDS DC 10mV 750V 0 01 0 04 20Hz 50kHz 0 5V 500V 0 03 20Hz 10MHz 0 5V 100V 0 1 DC 30MHz 0 5V 100V 0 5 DC 700MHz 10W 0 5V...

Page 3: ...r Stays on ale for Next Higher Range 4 2 5 4 Indicator Beats or Flutters 4 2 5 5 Loading Errors 4 2 5 6 Voltage Drop in Connecting Leads 4 2 5 7 Stray Field Pickup 5 2 5 8 Transmission Line Effects 5...

Page 4: ...trument Case 5 2 2 Pilot Light Replacement 5 2 3 Fuse Replacement 5 2 4 Line Voltage Conversion General Instructions Signal Tracing Chopper Replacement Probe Replacement Troubleshooting Chart SHIPPING...

Page 5: ...Model 1340 Model 2340 Model 5340 Model 4340 Figure 1 Ballantine Model 340 RF Millivoltmeter with Adapters Figure 2 Rack Panel Mounted Ballantine Model 340 S 2 RF Millivoltmeter III...

Page 6: ...ge measurement in grounded circuits High frequency transistor measurements Voltage measurements on coaxial systems High frequency bridge measurements 1 3 Technical Characteristics Voltage Range 300 p...

Page 7: ...ADJUSTMENT PILOT LIGHT FUSE Figure 3 Model 340 Location of Controls 2...

Page 8: ...n the next higher range 3 2 4 Voltage Measurements 2 4 1 For True RMS Voltage Measurements Below 30 mV Set Function Switch Range Selector To METER 30 mV Connect the unknown voltage to the probe input...

Page 9: ...ance device For input voltages below 30 mV the low frequency input impedance can be represented as more than 25 000 4 ohms in parallel with 4 pF Above 30 mV the shunt resistance can be considered infi...

Page 10: ...ee Adapter which is then connected to the 50 ohm transmission line where the measurement is desired The maximum vswr of this 5 system as a function of frequency is shown in figure 6 This tabulation sh...

Page 11: ...de component of the input signal will be blocked by these capacitors and therefore will not be measured The probe and probe attenuator have been tested to withstand 300 V de Applying higher de voltage...

Page 12: ...ission line between the probe input and the front face of a mating Type N connector and about 1 pF of added input capacitance 7 3 1 3 Model 4340 Probe Tip is designed for in circuit measurement below...

Page 13: ...mbined and go either to signal ground directly or through compensating resistors R75 R76 R77 and R78 to ground Compensation is necessary on the 1 mV and 0 1 V ranges for the residual noise of the prob...

Page 14: ...follows With probe open circuited and shielded Set Function Switch Range Selector To NULL 1 mV 9 Adjust NULL control for minimum indication Record the db scale meter reading Then Set Function Switch...

Page 15: ...ignal Source adjustable from 10 mV to 1 V capable of being set to frequency in range 100 kc 1 Me 5 1 2 Sensitive AC Vacuum Tube Voltmeter such as Ballantine Model 300H 5 1 3 Sensitive DC Vacuum Tube V...

Page 16: ...ity of the instrument will be greatly in error and cannot be corrected by the panel SENS control It is recommended that if the probe diodes or any other probe components are damaged the entire instrum...

Page 17: ...31 R34 3 4 g on all ranges at high Defective probe 3 1 5 6 frequencies h on all ranges above 30 mV Defective Model 1340 Probe Attenuator 3 1 1 at high frequencies Excessive drift on most Instrument in...

Page 18: ...strument to Ballan tine Laboratories Inc make certain that at least four inches of padding material surrounds the instrument to prevent damage during shipment Ship via Railway Express or motor truck t...

Page 19: ...V7 OB2WA V6 OA2 V5 6X4 Fig 8 Model 340 Right Hand Side View 14...

Page 20: ...LINE VOLTAGE CONVERSION Figure 9 Model 340 Left Hand Side View Input Shield Removed 15 Ql Q2 R81 SYM ADJ...

Page 21: ...100 Type DFP 150 V Sprague C24B 50 p F 10 100 Type DFP 150 V Sprague C24C 50 p F 10 100 Type DFP 150 V Sprague 2386 C25 1 500 pF 5 Type 192P15252 200 V Sprague 2784 C26 25 p F 10 75 Type 30Dll0Al 3 V...

Page 22: ...Allen Bradley 1793 R49 7 4 ohms 1 Special Ballantine 1062 R50 390 ohms 5 Type EB Allen Bradley 1674 R51 130 ohms 1 Type N 20 Corning 1682 R52 1 000 ohms 1 Type N 20 Corning 1680 R53 20 000 ohms 5 Type...

Page 23: ...ecial Ballantine 3475 I1 Pilot Light Type 1815 General Electric 3072 L1 Coil Special Ballantine 6006 M1 Meter Indicator Special Ballantine 3292 S1 Switch Range Selector Special Ballantine 3282 S2 Swit...

Page 24: ......

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