Lectrosonics HH Manual

Lectrosonics Standard Test & Alignment Procedure

Part number(s): HH Hardware version(s): 17424B (audio) & 17423B (radio) Firmware version(s): 0.93

Part number(s): HHAU Hardware version(s): 17424B (audio) & 17423B (radio) Firmware version(s): ?

Part number(s): HH/E01 Hardware version(s): 17424B (audio) & 17423B (radio) Firmware version(s): ?

Part number(s): HH/E02 Hardware version(s): 17424B (audio) & 17423B (radio) Firmware version(s): ?

Common name: hand held transmitter Author(s): Rodney Wildhagen & Cruz Garcia Test procedure version: 01.00

Date: 04 Oct 2011

Initial setup: Audio Board only

Audio board with PIC18F67J11 µC IC

Step Measurement name& description Measurement result (Typ)

Test Segment 10 of 60

Program µC IC and Current draw Audio board only

CAUTION When reprograming already tested devices, be sure to set device programmer GUI to preserve all settings (block,

limiter settings, etc.). In Microchip MPLAB this is done by selecting Programmer > Settings > Program > Preserve

EEPROM on program > Apply > OK. Failure to do so will result in loss of all assigned variable values such as

frequency block, limiter setting, indicator settings, etc.

Note This need only be performed at the factory the first time the DUT is powered up, when µC IC is replaced, or when a

firmware update is desired and confirmed to be appropriate.

Apply +3.0VDC, 300mA current limit in at battery contact J8 (J9 is circuit common)

Note In order to program DUT, JU1 must be jumpered or the power button must be pressed during the entire

programming process. Remove JU1 jumper after programming.

Program µC IC with programming cable connected at J6 (ICSP port)

Remove ICSP cable

Measure current draw 50 to 500 mA (117)

Note The goal here is only to ensure the audio board powers up and is not burning up with fever

Remove DC voltage from Battery contacts and apply firmware version label to audio board

Test Segment 20 of 60

NOTE: This segment may be performed using one audio board to test multiple radio boards

Initial setup:

Known good, pre-tested audio board with PIC18F67J11

µC IC running firmware version appropriate & current for

part number connected to an untested radio board

Test panel key pad or appropriate test rig connected to

audio board J2

Apply +3.0VDC, 300mA current limit in at battery contact

J8 (J9 is circuit common).

All voltage measurements referenced to circuit common

All demodulated carrier and carrier deviation

measurements taken with a Hewlett Packard 8901B

modulation analyzer with no 8901B filters selected. Use of

other instruments may yield different results particularly

measurements pertaining to noise and phase and

measurements where noise is a significant factor

All audio stimulus signals applied to audio input rig

defined at foot of this document

All audio stimulus signals are single ended.

Carrier power for various part numbers are as follows:

HH=100mW, HHAU & HH/E01=50mW and HH/E02

All audio measurements taken with a ≤10 Hz HPF and

80KHz LPF (use filter on audio signal analyzer, no

modulation analyzer unless otherwise specified).

This font indicates use of the

lternate Method to manual testing. The

Alternate Method uses the LectroLink

apparatus and either the LecNet2

Command Terminal Utility or the

O:\ATE\MTE\HH\

H_LectroLink_Control.exe

program. Test steps bearing the same

number indicates alternate method(s).

Step Measurement name & description Measurement result (Typ)

Power Up sequence and current draw

Prerequisite(s): FPGA IC programmed

Hold test power button on test panel key pad for 3 seconds until DUT powers up

Observe behavior of test key pad LED -10 LED turns on red, then -20 LED

turns on red then both off.

both LED's flash red once then

green once

Observe behavior of test audio board LCD "HH"

"Vx.xx"

"block XX"

"Hybrid"

frequency "Main" screen

Note a flashing antenna icon inside a ׎indicates the PLL is not locked

Measure current draw 50 to 500 mA (145)

Note The goal here is only to ensure the DUT powers up and is not burning up with fever

Audio board frequency block assignment

Prerequisite(s): FPGA IC programmed

Note: This part has to be performed only on the first DUT to setup Test Audio Board for the Block.

Momentarily connect audio board TP5 to TP22 (enter Set-up mode)

Note Entering Set-up mode is not necessary if the Alternate Method is exercised.

Using the test key pad navigate to the "Block" screen.

Press UP or DWN button on the test panel key pad to change unit to desired Block

block= (set freq block 470,19-33, 944 standard 400-999 extended)

Turn DUT Off then back On and check to see if the Block set.

VCO adjustment & VCO start-up test

Prerequisite(s): FPGA IC programmed

Using the test key pad navigate to the "Freq." screen

Press MENU/SEL and UP button simultaneously to change frequency to highest frequency. (pressing MUNU/SEL

and UP simultaneously will step the frequency up in increments of 16 only pressing the UP or DOWN buttons will

only increment by 1)

channel=XX set channel (0(00) to 1020 (ff) in normal

tuning mode, 80 is 512)

Adjust radio board C1 for 2.5 VDC at radio board TP1 (VCO_CONT) +2.45 to +2.55 VDC (+2.5)

No DC power in at battery contacts

Wait until transmitter completely powers down (approx. 4 sec)

Apply +3.0VDC, 500mA current limit in at battery contact J8 (J9 is circuit common)

Hold Power button for 3 seconds (make sure unit come on).

Measure carrier signal power to be sure the VCO starts on power up at selected

carrier frequency ≥+10 dBm

Using the test key pad navigate to the "Freq." screen

Press MENU/SEL and UP button simultaneously to change frequency to lowest frequency. (pressing MUNU/SEL

and UP simultaneously will step the frequency up in increments of 16 only pressing the UP or DOWN buttons will

only increment by 1)

channel=XX set channel (0(00) to 1020 (ff) in normal

tuning mode, 80 is 512)

Measure DC voltage at radio board TP1 (VCO_CONT) +0.6 to +1.2 VDC

No DC power in at battery contacts

Wait until transmitter completely powers down (approx. 4 sec)

Apply +3.0VDC, 500mA current limit in at battery contact J8 (J9 is circuit common)

Hold Power button for 3 seconds (make sure unit come on).

Measure carrier signal power to be sure the VCO starts on power up at selected

carrier frequency ≥+10 dBm

Carrier signal power adjustments & spectral purity measurements

Prerequisite(s): FPGA IC programmed

Momentarily connect audio board TP22 to J5 pin 4 (enter Set-up mode)

Note Entering Set-up mode is not necessary if the Alternate Method is exercised.

Note Power Measurement are made with the output of the DUT connected directly to the power measuring device to

ensure measurement is as accurate as posable .

Using the test key pad navigate to the "PwrCal" screen

Note

This sets the DUT to "L" (50mW) carrier power at the Mid carrier frequency, from here pressing the UP or DWN

buttons adjusts carrier power. Pressing MENU/SEL button once will move to the Low carrier freq. UP and DWN

buttons adjusts carrier power. Press MENU/SEL again moves to the highest frequency, UP and DWN buttons

adjusts carrier power. Pressing MENU/SEL once more moves to "H" (100mW) at the Mid freq and the pattern

continues to set power for 100mW..

Measure current draw

Repeat this process until all 6 carrier signal power points have been adjusted and double checked after the last

adjustment has been made

Current draw tolerances

for test procedure segment

#20

50mW 100mW

160 to 196

mA (178)

191 to 233

mA (212)

Carrier signal power tolerances for test

procedure segment #20

50mW 100mW

HH +15 to +19dBm +18 to

+22dBm

HHAU 16 to 17.5dBm

HH/E01 +14.8 to -

18.8dBm

HHB/E02 9.5 to 11.1dBm

powercal(p,s)=

set transmitter power calibration parameter, "p" selects

the power level must be 50 or 100, "s" specifies the

carrier frequency within the block and must be 0 for

block bottom, 1 for block middle, or 2 for block top

Note

Carrier power may alternatively be adjusted by first querying the powercal

value "powercal(50,0)?" and subsequently incrementing or decrementing carrier

power using "p=+2" syntax.

Test Segment 30 of 60

NOTE: This segment may be performed using one known good pre-tested audio board to test multiple radio boards

Spectral purity measurements and RF Mute function

Prerequisite(s): FPGA IC programmed

Connect RF Board J3(J4 common) DUT output to a splitter that feeds to the SpecAn, Frequency Counter high

frequency input and the ModAn.

Momentarily connect audio board TP22 to J5 pin 4 (enter Set-up mode)

Note Entering Set-up mode is not necessary if the Alternate Method is exercised.

Apply +3.0VDC, 500mA current limit in at battery contact J8 (J9 is circuit common)

Using the test key pad navigate to the "PwrCal" screen

Step thru all 6 PwrCal measurement while checking for spurs using both prescribed setting in the next steps. This

will result in 12 different spur measurements.

Measure spurs 5 to 1495MHz RBW=30kHz, VBW=10kHz ≤-65 dBc

Note Neither the 2nd nor the 3rd harmonic should be considered as a spur

Measure spurs carrier freq +/- 20MHz RBW=30kHz, VBW=10kHz ≤-65 dBc

Using the test key pad navigate to the "Standby" menu and press the MENU/SEL to activate RF Mute

Measure RF carrier output at radio board J3 ≤-60 dBc

Press MENU/SEL button again to get to the "Xmit" menu, Pressing MENU/SEL again take unit out of "Standby"

Measure carrier signal power to at radio board J3 ≥+5 dBm

Using the test key pad navigate back to the frequency "Main" screen

Modulation level and distortion adjust

Prerequisite(s): FPGA IC programmed

DUT at middle carrier frequency

channel=XX set channel (0(00) to 1020 (ff) in normal

tuning mode, 80 is 512)

NOTE BL944 specimens are permitted to exhibit 150% of otherwise allowable distortion. Some products have required this

additional margin, others have not. At the time of this writing it is unknown how this product will shake out.

Momentarily connect audio board TP22 to J5 pin 4 (enter Set-up mode)

Note Entering Set-up mode is not necessary if the Alternate Method is exercised.

pilotbp=1

Using the test key pad navigate to the "DevOff" screen (Mid carrier freq is highlighted)

tone=1 (sets DSP 1kHz test tone mode ON)

Adjust radio board R26 for minimum modulation distortion at demodulated

carrier

≤1.0 % THD+N (0.7)

Adjust radio board R47 for 100kHz peak deviation at radio board J3 99 to 101 kHz (100)

Press MENU/SEL button on the test panel key pad (Lowest carrier freq is highlighted)

channel=XX set channel (0(00) to 1020 (ff) in normal

tuning mode, 80 is 512)

Measure distortion at demodulated carrier, fine adjusting radio board R26 if

required ≤1.2 % THD+N (0.7)

Press UP or DWN button on the test panel key pad for 100 kHz peak carrier

deviation at radio board J3 99 to 101 kHz (100)

devoff(0)? (Get deviation offset setting for the Low

channel) (+10 to -10). devoff(0)=x (set deviation

offset for 100KHz)(1KHz steps).

99 to 101 kHz (100)

Press MENU/SEL button on the test panel key pad (Highest carrier freq is highlighted)

channel=XX set channel (0(00) to 1020 (ff) in normal

tuning mode, 80 is 512)

Measure distortion at demodulated carrier, fine adjusting radio board R26 if

required

≤1.2 % THD+N (0.7)

Press UP or DWN button on the test panel key pad for 100 kHz peak carrier

deviation at radio board J3

99 to 101 kHz (100)

devoff(1)? (Get deviation offset setting for the high

channel) (+10 to -10). devoff(1)=x (set deviation

offset for 100KHz)(1KHz steps).

99 to 101 kHz (100)

Repeat this step until no further adjustment is necessary

Press BACK button on the test panel key pad to get back to the frequency "Main" screen

tone=0 (turns off DSP 1kHz test tone)

Test Segment 40 of 60

Install VCO shield cover

No DC power in at battery contacts

Disconnect radio board from audio board

Install VCO shield assembly Part number ?

Bend tabs at 45 degrees and Solder around the VCO shield

Allow to cool for a minimum of 10 minutes

Test Segment 50 of 60

NOTE: This segment must be performed using the audio/radio board pairs that will remain paired up

Setup:

Audio board with PIC18LF6J11 µC IC running firmware

version appropriate & current for part number connected

to an untested radio board, these boards will live together

til death do they part.

Test panel key pad connected to audio board J3

Apply +3.0VDC, 500mA current limit in at battery contact

J8 (J9 is circuit common)

All voltage measurements referenced to circuit common

All demodulated carrier and carrier deviation

measurements taken with a Hewlett Packard 8901B

modulation analyzer with no 8901B filters selected. Use o

other instruments may yield different results particularly

measurements pertaining to noise and phase and

measurements where noise is a significant factor

All audio stimulus signals applied to audio input rig

All audio stimulus signals are single ended.

Carrier power for the various part numbers are as follows:

HM=100mW, HMAU & HM/E01=50mW and HM/E02

All audio measurements taken with a ≤10Hz HPF and

80KHz LPF (use filter on audio signal analyzer, not

modulation analyzer unless otherwise specified).

This font indicates use of the

lternate Method to manual testing. The

alternate Method uses the LectroLink

apparatus and either the LecNet2

Command Terminal Utility or the

O:\ATE\MTE\HM\

M_LectroLink_Control.exe

program. Test steps bearing the same

number indicate alternate method(s).

Connect Power Meter Head to RF Board J3(MT4 is circuit

defined at foot of this document, see below common).

Power Up sequence and current draw

Prerequisite(s): FPGA IC programmed

Hold power button on test panel key pad for 3 seconds.

Observe behavior of test key pad LED -10 LED turns on red, then -20 LED

turns on red then both off.

both LED's flash red once then

green once

Observe behavior of test key pad LCD "000000"

"HH"

"Vx.xx"

"Hybrid"

frequency "Main" screen

a flashing antenna icon inside a ׎indicates the PLL is not locked

Measure current draw 50 to 500 mA (170)

Note The goal here is only to ensure the audio board powers up and is not burning up with fever

20.20 Control Panel switch test

Prerequisite(s): FPGA IC programmed

Apply +3.0VDC, 500mA current limit in at battery contact J8 (J9 is circuit common)

LCD display and push button key pad installed

Observe LCD display and

verify the frequency "Main"

screen is displayed

buttons?

realtime button status bitmap

(menu/sel=128, back=64, up=1,

down=2, "4=4", "3=8", "2=16",

"1=32", no button=0)

ok 0 (no

tolerance) (0)

Press and release control

board Menu/Sel button

Observe change in menu on

LCD to the Menu screen

press and hold

Menu/Sel

buttons?

realtime button status bitmap

(menu/sel=128, back=64, up=1,

down=2, "4=4", "3=8", "2=16",

"1=32", no button=0

ok 1 (no

tolerance) (1)

Release Menu/Sel

button

Press and hold control board

Down button

Observe change in highlighted

menu on LCD

buttons?

realtime button status bitmap

(menu/sel=128, back=64, up=1,

down=2, "4=4", "3=8", "2=16",

"1=32", no button=0)

ok 16 (no

tolerance) (16)

Release Down button

Press and hold control board

Up button

Observe change in highlighted

menu on LCD

buttons?

realtime button status bitmap

(menu/sel=128, back=64, up=1,

down=2, "4=4", "3=8", "2=16",

ok 32 (no

tolerance) (32)

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