HP 5340A Manual

___________

*This bulletin supersedes TB 9-6625-2021-35, dated 20 June 1997.

*TB 9-6625-2021-35

SUPERSEDED COPY DATED 20 JUNE 1997

DEPARTMENT OF THE ARMY TECHNICAL BULLETIN

CALIBRATION PROCEDURE FOR

FREQUENCY COUNTER

HEWLETT-PACKARD, MODEL 5340A

AND

MICROWAVE FREQUENCY COUNTER

TD-1225A(V)1/U (HEWLETT-PACKARD, MODEL 5342A/H14),

TD-1225A(V)2/U (HEWLETT-PACKARD, MODEL 5342A/H16) AND

HEWLETT-PACKARD, MODELS 5342A AND 5343A

Headquarters, Department of the Army, Washington, DC

26 June 2000

Approved for public release, distribution is unlimited.

REPORTING OF ERRORS

You can help improve this publication by calling attention to errors and by

recommending improvements and stating your reasons for the

recommendations. Your letter or DA Form 2028, Recommended Changes to

Publications, should be mailed directly to Commander, U. S. Army Aviation and

Missile Command, ATTN: AMSAM-TMD-LP, Redstone Arsenal, AL 35898-5000.

FAX to DSN 788-2313 (Commercial: 256-842-2313),. A reply will be furnished

directly to you.

Paragraph

Page

SECTION I.

IDENTIFICATION AND DESCRIPTION

Test instrument identification ..........................

Forms, records, and reports .............................

Calibration description .....................................

II.

EQUIPMENT REQUIREMENTS

Equipment required .........................................

Accessories required .........................................

III.

CALIBRATION PROCESS FOR FREQUENCY

COUNTER HEWLETT-PACKARD, MODEL

5340A

Preliminary instructions ................................

.........

TB 9-6625-2021-35

SECTION III

(Continued) Paragraph

Page

Equipment setup................................

..................

Time base stability option 001 only

.....................

Self-check................................

..............................

10 Hz to 250 MHz frequency and 1 MΩinput

sensitivity check................................

...................

10 Hz to 18 GHz frequency and 50Ωinput

sensitivity check................................

...................

Power supply................................

........................

12 10

Final procedure ................................

....................

13 10

IV.

CALIBRATION PROCESS FOR MICROWAVE

FREQUENCY COUNTER TD-1225A(V)1/U

(HEWLETT-PACKARD, MODEL 5342A/H14),

TD-1225A(V)2/U (HEWLETT-PACKARD,

MODEL 5342A/H16) AND HEWLETT-

PACKARD, MODELS 5342A AND 5343A

Preliminary instructions................................

......

14 11

Equipment setup................................

..................

15 11

Time base stability (option 001, H14, H16,

time base 10544A and model 5343A)

...................

Self-check................................

..............................

17 13

Frequency and sensitivity check -10 Hz to

520 MHz ................................

...............................

Frequency and sensitivity check -500 MHz to

18 GHz................................................................

Power supply................................

........................

20 15

Final procedure ................................

....................

21 16

SECTION I

IDENTIFICATION AND DESCRIPTION

1. Test Instrument Identification. This bulletin provides instructions for the

calibration of Frequency Counter Hewlett-Packard, Model 5340A and Microwave

Frequency Counter TD-1225A(V)1/U (Hewlett-Packard, Model 5342A/H14), TD-

1225A(V)2/U (Hewlett-Packard, Model 5342A/H16) and Hewlett-Packard, Models 5342A

and 5343A. The manufacturer's manuals were used as the prime data source in compiling

these instructions. The equipment being calibrated will be referred to as the TI (test

instrument) throughout this bulletin.

a. Model Variations. Variations among models are described in text.

b. Time and Technique. The time required for this calibration is approximately 3

hours, using the dc and low frequency and microwave technique.

TB 9-6625-2021-35

2. Forms, Records, and Reports

a. Forms, records and reports required for calibration personnel at all levels are

prescribed by TB 750-25.

b. Adjustments to be reported are designated (R) at the end of the sentence in which

they appear. When adjustments are in tables, the (R) follows the designated adjustment.

Report only those adjustments made and designated with (R).

3. Calibration Description. TI parameters and performance applications which pertain

to this calibration are in table 1.

Table 1. Calibration Description

Test instrument parameters Performance specifications

HEWLETT-PACKARD, MODEL 5340A

Time base: Option 001 only Frequency: 10 MHz

Aging rate: <±5 x 10-10 per day after 24 hour warm-up

Line variation: <±1 x 10-10 for 10% line variation

Self-check Counts and displays 10 MHz for resolution selected

Accuracy: ±1 count, ±time base error

Signal input: 50Ωinput

1 MΩinput

Frequency range: 10 Hz to 18 GHz

Sensitivity: -30 dBm, 10 Hz to 500 MHz

-35 dBm, 500 MHz to 10 GHz

-25 dBm, 10 to 18 GHz

Frequency range: 10 Hz to 250 MHz

Sensitivity: 50 mV rms

TD-1225A(V)1/U (HEWLETT-PACKARD, MODEL 5342A/H14), TD-1225A(V)2/U (HEWLETT-PACKARD,

MODEL 5342A/H16) AND HEWLETT-PACKARD, MODELS 5342A AND 5343A

Time base:

Option 001 and time base 10544A,

H14 and H16

Frequency: 10 MHz

Aging rate: <±5 x10-10 per day after 24 hour warm-up

Line variation: <±1 x 10-10 for 10% line variation

Self-check Counts and displays 75 MHz for resolution selected

Accuracy: ±1 count, ±time base error

Signal input:

BNC 50Ωposition

BNC 1 MHz position

Type N connector TD-1225A(V)1/U and

(5342A) 1 MΩinput connector

APC-3.5 male with collar (SMA compatible)

Frequency range: 10 Hz to 520 MHz

Sensitivity: 25 mV rms

Frequency range: 10 Hz to 25 MHz

Sensitivity: 50 mV rms

Frequency range: 500 MHz to 18 GHz

Sensitivity: -25 dBm, 500 MHz to 12.4 GHz

-20 dBm, 12.4 to 18 GHz

Frequency range: 500 MHz to 26.5 GHz1

Sensitivity: -33 dBm, 500 MHz to 12.4 GHz

-28 dBm, 12.4 to 18 GHz

-23 dBm, 18 to 26.5 GHz1

1Not checked above 18 GHz.

TB 9-6625-2021-35

SECTION II

EQUIPMENT REQUIREMENTS

4. Equipment Required. Table 2 identifies the specific equipment to be used in this

calibration procedure. This equipment is issued with Secondary Transfer Calibration

Standards Set AN/GSM-286. Alternate items may be used by the calibrating activity. The

item selected must be verified to perform satisfactorily prior to use and must bear evidence

of current calibration. The equipment must meet or exceed the minimum use specifications

listed in table 2. The accuracies listed in table 2 provide a four-to-one ratio between the

standard and TI.

5. Accessories Required. The accessories required for this calibration are common

usage accessories, issued as indicated in paragraph 4above, and are not listed in this

calibration procedure.

Table 2. Minimum Specifications of Equipment Required

Common Name

Minimum use specifications Manufacturer and model

(part number)

AUTOTRANSFORMER Range: 105 to 125 V ac General Radio W10MT3AS3

(7910809) or Ridge, Model

9020A (9020A), or Ridge,

Model 9020F (9020F)

FREQUENCY

DIFFERENCE METER Accuracy: <±1.25 parts in 1010 Tracor, Model 527E (527E)

FUNCTION

GENERATOR Function: Sinewave, 50Ω

Frequency: 10 Hz to 10 MHz

Amplitude: 1 to 200 mVp-p

(SG-1288/G)

MULTIMETER Range: -14.95 to +15.05 V dc

Accuracy: ±0.08% John Fluke, Model 8840A/AF

(AN/GSM-64D)

SIGNAL GENERATOR

Frequency: 10 MHz to 18 GHz

Amplitude: -50 to –13 dBm Wiltron, Model 68347M

TIME/FREQUENCY

WORKSTATION Frequency: 1 MHz

Accuracy: <±1.0 part in 1011 Autek Systems Corp., Model

620 (MIS-38946)

TB 9-6625-2021-35

SECTION III

CALIBRATION PROCESS FOR

FREQUENCY COUNTER HEWLETT-PACKARD, MODEL 5340A

6. Preliminary Instructions

a.The instructions outlined in paragraphs 6and 7are preparatory to the calibration

process. Personnel should become familiar with the entire bulletin before beginning the

calibration.

b.Items of equipment used in this procedure are referenced within the text by common

name as listed in table 2.

c.Unless otherwise specified, verify the result of each test and, whenever the test

requirement is not met, take corrective action before continuing with the calibration.

Adjustments required to calibrate the TI are included in this procedure. Additional

maintenance information is contained in the manufacturer’s manual for this TI.

d.When indications specified in paragraphs 8through 11 are not within tolerance,

perform the power supply check prior to making adjustments. After adjustments are made,

repeat paragraphs 8through 11.

e.Unless otherwise specified, all controls and control settings refer to the TI.

7. Equipment Setup

WARNING

HIGH VOLTAGE is used or exposed during the performance of

this calibration. DEATH ON CONTACT may result if

personnel fail to observe safety precautions. REDUCE

OUTPUT(S) to minimum after each step within the

performance check where applicable.

a. Remove protective covers from TI as necessary to make adjustments.

b.Set line voltage SELECTOR switch (rear panel) for 115 V ac and verify that correct

fuse (as labeled on rear panel) is installed.

c. Connect TI to autotransformer. Connect autotransformer to 115 V ac power source

and adjust to 115 V ac.

d. Position controls as listed in (1) through (4) below:

(1) RESOLUTION Hz pushbutton to 1.

(2) SAMPLE RATE control fully ccw.

(3) INT-EXT switch (rear panel) to INT.

(4) RANGE switch to 10 Hz -250 MHz.

TB 9-6625-2021-35

e. Set LINE switch to ON. If TI has been disconnected from power more than 24

hours, allow at least 24 hours for warmup and stabilization.

8. Time Base Stability -Option 001 Only

a. Performance Check

(1) Connect time/frequency workstation OUTPUT 1 MHz to frequency difference

meter REF INPUT.

(2) Connect TI 10 MHz OUTPUT (rear panel) to frequency difference meter SIG

INPUT.

(3) Adjust FREQ ADJ (fig. 1) for minimum difference indication on frequency

difference meter. Record frequency difference meter indication.

A31R9

A32R6

A28R7

A28TP2

A31TP2

A31TP3

A31R2

A33R8

A33TP1

A17A1R11

A17A1R22

A3R10 FRONT PANEL

OSCILLATOR

A32R3

A32TP2

A32TP1

A29TP2

A29R5

FREQ ADJ

Figure 1. Test instrument -top view.

(4) Allow at least 24 hours for TI time base oscillator to stabilize. Frequency

difference meter indication will be within ±5 parts in 1010 of indication recorded in (3) above.

Record frequency difference meter indication.

(5) Adjust autotransformer output to 105 V ac. Allow 1 minute for oscillator to

stabilize. Frequency difference meter indication will be within ±1 part in 1010 of indication

recorded in (4) above.

TB 9-6625-2021-35

(6) Adjust autotransformer output to 125 V ac. Allow 1 minute for oscillator to

stabilize. Frequency difference meter indication will be within ±1 part in 1010 of indication

recorded in (4) above.

(7) Adjust autotransformer output to 115 V ac.

b. Adjustments. No further adjustments can be made.

9. Self-Check

a. Performance Check

(1) Set RANGE switch to CHK and press and release RESET switch. TI display

will initially be all zeros and then 10.000000 MHz ±1 count; the DIR (direct) annunciator

will light and the GATE annunciator should be flashing.

(2) Press RESOLUTION Hz pushbutton to positions listed in table 3. TI display

will be as specified.

Table 3. Self-Check

RESOLUTION Hz

pushbutton positions Display

±1 count

10 Hz 10.00000MHz

100 Hz 10.0000 MHz

1kHz 10.000 MHz

10 kHz 10.00 MHz

100 kHz 10.0 MHz

1MHz .010 GHz

b. Adjustments. No adjustments can be made.

10. 10 Hz to 250 MHz Frequency and 1 MΩΩ Input Sensitivity Check

a. Performance Check

(1) Press RESOLUTION Hz pushbutton to 10, adjust SAMPLE RATE control to

midposition, and set RANGE switch to 10 Hz-250 MHz.

NOTE

Throughout the remainder of this check, press RESOLUTION

Hz pushbuttons as necessary.

(2) Connect function generator Function Outputs Unbalanced to TI INPUT

1 MΩΩ using a 50Ωfeedthrough termination.

(3) Set function generator for a sinewave, 10 Hz, 1 mVp-p, 50Ωoutput. Slowly

increase function generator amplitude until TI displays a stable indication of applied frequency.

If function generator amplitude exceeds 141 mVp-p, perform b below.

TB 9-6625-2021-35

(4) Set function generator amplitude to 141 mVp-p. Adjust function generator

frequency from 10 Hz to 10 MHz. If TI does not display a stable indication of applied

frequency, perform bbelow.

(5) Disconnect function generator and 50Ωfeedthrough termination from TI.

(6) Connect signal generator RF Output to TI INPUT 1 MΩΩ using a 50Ω

feedthrough termination.

(7) Set signal generator frequency to 10 MHz and level output to –50 dBm. Slowly

increase signal generator level output until TI displays a stable indication of applied frequency.

If signal generator level output exceeds –13 dBm, perform bbelow.

(8) Set signal generator level output to –13 dBm. Adjust signal generator

frequency from 10 to 250 MHz. If TI does not display a stable indication of applied

frequency, perform bbelow.

b. Adjustments

(1) Connect signal generator RF Output to TI INPUT 1 MΩΩ using a 50Ω

feedthrough termination.

(2) Set signal generator frequency to 100 MHz and level output to –13 dBm.

(3) Press RESOLUTION Hz pushbutton to 100 and adjust A3R10 (fig. 1) until a

stable count is displayed (R).

11. 10 Hz to 18 GHz Frequency and 50ΩΩ Input Sensitivity Check

a. Performance Check

CAUTION

Do not exceed 1 W of power to 50Ωinput, otherwise extensive

damage will occur to the test instrument.

(1) Connect function generator Function Outputs Unbalanced to TI INPUT

50ΩΩ.

(2) Set RANGE switch to 10 Hz -18 GHz and press RESOLUTION Hz

pushbutton to 10.NOTE

Throughout the remainder of this check, press RESOLUTION

Hz pushbuttons as necessary.

(3) Set function generator for a sinewave, 10 Hz, 20 mVp-p, 50Ωoutput. If TI does

not display a stable indication of applied frequency, perform bbelow.

(4) Adjust function generator frequency from 10 Hz to 10 MHz. If TI does not

display a stable indication of applied frequency, perform bbelow.

(5) Disconnect function generator from TI.

(6) Connect signal generator RF Output to TI INPUT 50ΩΩ.

TB 9-6625-2021-35

(7) Set signal generator frequency to 10 MHz and level output to -30 dBm. If TI

does not display a stable indication of applied frequency, perform bbelow.

(8) Adjust signal generator frequency from 10 to 500 MHz. If TI does not display a

stable indication of applied frequency, perform bbelow.

(9) Set signal generator frequency to 500 MHz and level output to -35 dBm. If TI

does not display a stable indication of applied frequency, perform b below.

(10) Adjust signal generator frequency from 500 MHz to 10 GHz. If TI does not

display a stable indication of applied frequency, perform bbelow.

(11) Set signal generator frequency to 10 GHz and level output to -25 dBm. If TI

does not display a stable indication of applied frequency, perform bbelow.

(12) Adjust signal generator frequency from 10 to 18 GHz. If TI does display a stable

indication of applied frequency, perform bbelow.

(13) Set RANGE switch to 250 MHz -18 GHz.

(14) Set signal generator frequency to 250 MHz and level output to -30 dBm. TI will

display a stable indication of applied frequency.

(15) Adjust signal generator frequency from 250 to 500 MHz. TI will display a stable

indication of applied frequency.

(16) Set signal generator frequency to 500 MHz and level output to -35 dBm. TI will

display a stable indication of applied frequency.

(17) Adjust signal generator frequency from 500 MHz to 10 GHz. TI will display a

stable indication of applied frequency.

(18) Set signal generator frequency to 10 GHz and level output to -25 dBm. TI will

display a stable indication of applied frequency.

(19) Adjust signal generator frequency from 10 GHz to 18 GHz. TI will display a

stable indication of applied frequency.

b. Adjustments

(1) Connect signal generator RF Output to TI INPUT 50ΩΩ.

(2) Set signal generator frequency to 100 MHz and level output to -25 dBm.

(3) Adjust A17A1R22 (fig. 1) fully ccw.

(4) Adjust A17A1R11 (fig. 1) for a stable indication on TI.

(5) Decrease signal generator level output and adjust A17A1R11 (fig. 1) until

maximum sensitivity is obtained (R).

(6) Increase signal generator level output for a stable indication. Record signal

generator level output indication.

(7) Adjust A17A1R22 (fig. 1) fully cw. TI will display all zeros.

TB 9-6625-2021-35

(8) Increase signal generator level output by 1 dB from level recorded in (6) above

and adjust A17A1R22 (fig. 1) ccw until TI display indicates 100 MHz (R).

(9) Verify that sensitivity is at least -32 dBm.

12. Power Supply

NOTE

Do not perform power supply check if all other parameters are

within tolerance.

a. Performance Check. Connect multimeter between test points listed in table 4

and chassis ground. If multimeter does not indicate within limits specified, perform

corresponding adjustments in table 4.

Table 4. Power Supply Voltages

Test instrument test

points

Multimeter indications

(V)

Adjustments (R)

(fig. 1) Min Max (fig. 1)

A28TP2 −14.95 −15.05 A28R7

A29TP2 +14.95 +15.05 A29R5

A31TP2 −4.95 −5.05 A31R9

A31TP3 −4.95 −5.05 A31R2

A32TP1 +4.95 +5.05 A32R6

A32TP2 +4.95 +5.05 A32R3

A33TP11+10.95 +11.05 A33R8

1Option 001 only.

b. Adjustments. No further adjustments can be made.

13. Final Procedure

a. Deenergize and disconnect all equipment.

b. Annotate and affix DA label/form in accordance with TB 750-25.

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