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Search found 39 matches

by RFI-EMI-GUY
Fri Jul 13, 2018 10:18 pm
Forum: General Motorola Solutions & Legacy Radio Discussion
Topic: Motorola Saber 3 UHF - 5.4KHz off frequency- normal drift?
Replies: 5
Views: 1270

Re: Motorola Saber 3 UHF - 5.4KHz off frequency- normal drift?

I have been refurbishing UHF Systems SABER radios for a long time and find that most of them are within 200 Hz of spec. This is pretty good, but they are 2 ppm TCXO's. The regular SABER radios have a 5 ppm TCXO and from the ones I see, they are very good as well. These are surplus radios, probably b...
by RFI-EMI-GUY
Fri Jul 13, 2018 10:07 pm
Forum: General Motorola Solutions & Legacy Radio Discussion
Topic: MX300-S DES Module
Replies: 0
Views: 671

MX300-S DES Module

I just picked up a nice Feb 1988 vintage MX360-S . A UHF Secret Service model with scan and 36 modes.

It has a NLE9010DSP01 DES module installed. Is this a DES-XL module? Date Code is 3-88 so apparently fitted to the radio shortly after shipping.
by RFI-EMI-GUY
Fri Jul 13, 2018 10:01 pm
Forum: General Motorola Solutions & Legacy Radio Discussion
Topic: Notch filtering in Quantar
Replies: 3
Views: 1005

Re: Notch filtering in Quantar

Maybe the modulation compensation is maladjusted?
by RFI-EMI-GUY
Tue May 01, 2018 8:32 pm
Forum: Base Stations, Repeaters, General Infrastructure
Topic: Motorola Digitac voter questions
Replies: 14
Views: 2792

Re: Motorola Digitac voter questions

I know this is an old thread, but I have a question. I have an 8 channel DIGITAC sitting loose on my bench, no receivers connected, thus it passes the self test fine but does show the normal fail lights. Is this enough to presume the AGC chips each passed in self test or do I need to have a status t...
by RFI-EMI-GUY
Sat Nov 25, 2017 1:26 pm
Forum: MotoTRBO Repeaters, Trunking, and Site Infrastructure
Topic: SLR5700 Strange Noises
Replies: 16
Views: 1538

Re: SLR5700 Strange Noises

What Bill_G said. spot on. Your repeater has desense and it is hearing its own transmitter. Either faulty antenna system or duplexer. Do the tests into a 50 ohm dummy load to rule out the duplexer. The antenna could be too close to other electronics resulting in a mix of signals or noise. The echoin...
by RFI-EMI-GUY
Sat Nov 25, 2017 11:07 am
Forum: Legacy Batboard Motorola ASTRO (VSELP/IMBE/AMBE) Equipment Forum
Topic: Saber X Question
Replies: 13
Views: 7750

Re: Saber X Question

I know this is a very old thread, but I have never seen one of these and would like to find one. Is there really such a thing as a Saber X transportable? Pictures and part numbers please? I should clarify, we have all seen the silver Zero Haliburton cases with a vehicular adaptor and power amp. I am...
by RFI-EMI-GUY
Fri Aug 04, 2017 7:28 am
Forum: General Motorola Solutions & Legacy Radio Discussion
Topic: HT1000 Background Noise Issue
Replies: 9
Views: 1291

Re: HT1000 Background Noise Issue

Have you checked the deviation balance? AKA modulation compensation.
by RFI-EMI-GUY
Mon Oct 10, 2016 6:06 pm
Forum: Converting Motorola Equipment to 900MHz Amateur
Topic: 900 Mhz range extender for XPR4500 (ham bands)
Replies: 2
Views: 1082

Re: 900 Mhz range extender for XPR4500 (ham bands)

Uniden BC906W wireless microphone $50. Amazon. Of course, Motorola and Pyramid have pricier solutions. You will have to work out the pinouts to wire it up. 300 ft is the claimed range.
by RFI-EMI-GUY
Wed Sep 21, 2016 8:41 pm
Forum: General Motorola Solutions & Legacy Radio Discussion
Topic: SYSTEMS SABER Tinny Transmit Audio
Replies: 1
Views: 672

SYSTEMS SABER Tinny Transmit Audio

OK; I am working on my "fleet" and I have this one UHF SYSTEMS SABER III that is exhibiting tinny transmit audio. At first I was testing in secure mode (DES) and thought it was the NTN5835A DES-XL module that I am running with the XL disabled, but then I compared in analog FM mode and sure...
by RFI-EMI-GUY
Fri Sep 09, 2016 11:16 pm
Forum: General Motorola Solutions & Legacy Radio Discussion
Topic: Systems Saber CON Versions
Replies: 0
Views: 2606

Systems Saber CON Versions

Is there a concise document that compares the different CON firmware versions of the Systems Saber product? My RSS gives a choice to upgrade the CON and I would like to see how certain features would be affected. Thanks
by RFI-EMI-GUY
Thu Sep 08, 2016 7:57 pm
Forum: Legacy Batboard Motorola ASTRO (VSELP/IMBE/AMBE) Equipment Forum
Topic: Li-ion
Replies: 7
Views: 2388

Re: Li-ion

31003 is the Tenergy part number. I used a medium sized NIMH Intrinsically safe battery case. The weight is now several ounces lighter . Obviuosly no longer IS Rated, but works fine. The particular charger Chip is available on a development PC board and starts charging when the battery is down below...
by RFI-EMI-GUY
Thu Sep 08, 2016 7:46 pm
Forum: Legacy Batboard Motorola ASTRO (VSELP/IMBE/AMBE) Equipment Forum
Topic: Li-ion
Replies: 7
Views: 2388

Re: Li-ion

I used a two cell protected pack from Tenergy about 2200 mAh 18650 cells. No need to step down the voltage as it is a good match. Because Motorola uses a diode to isolate the charging pin and I could not afford the voltage drop from the Microchip 2 cell charger, I used a reed switch and put a strong...
by RFI-EMI-GUY
Thu Sep 08, 2016 4:04 pm
Forum: Legacy Batboard Motorola ASTRO (VSELP/IMBE/AMBE) Equipment Forum
Topic: Li-ion
Replies: 7
Views: 2388

Re: Li-ion

I have done it, it works great! I had to find a proper Li-ion charger chip and modified a pocket charger to work with my new 8.4V 2 cell Li-ion batteries.
by RFI-EMI-GUY
Tue Jul 19, 2016 4:05 pm
Forum: General Motorola Solutions & Legacy Radio Discussion
Topic: MTR2000 SINAD and HP 8920
Replies: 5
Views: 1195

Re: MTR2000 SINAD and HP 8920

I think I also recall seeing a connection mistake in the line drawings for one of the SINAD procedures. There is a Yahoo bulletin board for the HP8924 and HP8920. If you sign up there, you can download a live video I posted there which shows hthe 8920 being used for actual testing. It is a bit grain...
by RFI-EMI-GUY
Mon Jun 27, 2016 7:22 pm
Forum: MotoTRBO Repeaters, Trunking, and Site Infrastructure
Topic: Linked Capacity Plus Help
Replies: 23
Views: 2951

Re: Linked Capacity Plus Help

What frequencies are each hospital operating on? Is it possible that now that the repeaters are linked, you are noticing adjacent, or near adjacent channel interference that was not occurring before?
by RFI-EMI-GUY
Fri Jun 24, 2016 7:18 pm
Forum: General Motorola Solutions & Legacy Radio Discussion
Topic: UHF Saber 11 - Receive Deaf - 20dB down
Replies: 6
Views: 2061

Re: UHF Saber 11 - Receive Deaf - 20dB down

Are you testing the radio through the option connector and proper programming and servicing cable or "off the air" using the antenna? If via the antenna, there is a possibility that the antenna connection to the mother board is poor. It is via a spring clip. It can get noisy or intermitten...
by RFI-EMI-GUY
Sat Jun 18, 2016 2:19 pm
Forum: General Motorola Solutions & Legacy Radio Discussion
Topic: TKN8531C KVL Loader Cable for Systems Saber How to DIY?
Replies: 0
Views: 4565

TKN8531C KVL Loader Cable for Systems Saber How to DIY?

I need to build a cable to load my Systems Saber from my KVL. I have the NTN5664D Hirose adaptor and a Hirose 6P mating plug. Now I need to modify one of my existing but obsolete KVL cables to match the pins on the Hirose adaptor. Yes I have been to the bat labs site (below) and I don't see a TKN853...
by RFI-EMI-GUY
Mon Apr 25, 2016 3:53 pm
Forum: Radio Programming
Topic: CLP-1060 Programming on different frequency pairs and BW.
Replies: 0
Views: 4369

CLP-1060 Programming on different frequency pairs and BW.

CLP-1060 Programming on different frequency pairs and BW. I am interested in the CLP-1060 radios for use on a specific frequency and repeater pair that are not listed in the CPS that is downloadable for free from Motorola Solution's website. The fields for modification of TX and RX frequency and ban...
by RFI-EMI-GUY
Sun Apr 17, 2016 10:54 pm
Forum: General Motorola Solutions & Legacy Radio Discussion
Topic: HT220 problems, again
Replies: 13
Views: 1604

Re: HT220 problems, again

Holy cow does that bring back memories. :D Somewhere, probably buried under a ton of things, I have one of those nylon telescoping plungers with the spring inside, In fact I recall it is inside a small plastic container with some of those tiny fuses for the HT220 or maybe HT100 (I had one of those!)...
by RFI-EMI-GUY
Tue Apr 12, 2016 10:23 pm
Forum: Radio Programming
Topic: Pyramid SVR200U SVR214U BCD Channel Switch
Replies: 0
Views: 4205

Pyramid SVR200U SVR214U BCD Channel Switch

Can anyone tell me if there is any different firmware in the SVR214U (14 channel version) than the SVR200? I have never seen a 214 model out in the wild, only on the Pyramid website (long gone now). The circuit board appears to accept a BCD panel switch. The service manual only lists one CPU model t...
by RFI-EMI-GUY
Sun Feb 15, 2015 2:10 pm
Forum: General Motorola Solutions & Legacy Radio Discussion
Topic: SABER Charger NTN4734B
Replies: 1
Views: 518

Re: SABER Charger NTN4734B

Well I went with my gut and opened to look at the contact assembly. The design is funky. If the spring leaves are not bent enough, when assembled they catch on the bottom of the plastic channel they operate within. If you pull the PC board up so they don't catch, then the battery contacts don't make...
by RFI-EMI-GUY
Sun Feb 15, 2015 1:17 pm
Forum: General Motorola Solutions & Legacy Radio Discussion
Topic: SABER Charger NTN4734B
Replies: 1
Views: 518

SABER Charger NTN4734B

1) I just bought what appears to be a new old stock 1989 vintage NTN4734B charger to give my NTN4734A a break. I noticed a few things different off the bat. 1) The STANDBY LED in the upper right corner is more orange/green than the Yellow of the "A" version? Weird. 2) The contacts seem to ...
by RFI-EMI-GUY
Tue Apr 01, 2014 3:50 pm
Forum: General Motorola Solutions & Legacy Radio Discussion
Topic: SB9600/SBEP open source library
Replies: 4
Views: 1419

Re: SB9600/SBEP open source library

See my new topic about MOTOROLA SYSTEMS SABER HW HACKING

viewtopic.php?f=43&t=108373#p474404

Also fee free to copy this schematic drawing:

http://leikhim.com/page15.php
by RFI-EMI-GUY
Tue Apr 01, 2014 3:08 pm
Forum: Experimental and Next Generation LMR
Topic: MOTOROLA SYSTEM SABERS HW HACKING
Replies: 0
Views: 1380

MOTOROLA SYSTEM SABERS HW HACKING

Hi All: I have just posted this evocative topic to encourage experimentation on Motorola Systems Saber radios. Those familiar with the Systems Saber radio are aware that a fraction of the interior cubic space is occupied by either a SECURENET module or a bypass module consisting of a wire. Now due t...
by RFI-EMI-GUY
Thu Mar 27, 2014 9:54 pm
Forum: General Motorola Solutions & Legacy Radio Discussion
Topic: SB9600/SBEP open source library
Replies: 4
Views: 1419

Re: SB9600/SBEP open source library

Has anyone experimented to see if SYSTEMS SABER complies with the SB9600? I have some ideas for the SECURENET module space. The data bus, busy and a slew of other signals are available for the SECURENET as well as pins to the accessory port.
by RFI-EMI-GUY
Thu Mar 06, 2014 10:36 pm
Forum: General Motorola Solutions & Legacy Radio Discussion
Topic: Shopping for SABER Batteries?
Replies: 6
Views: 1484

Re: Shopping for SABER Batteries?

Looks like these two are promising. Still looking for some "short" batteries as well. 1) "The BZ4595MH is a 7.5V, 3000MAH, NiMH Replacement two-way radio battery for Motorola SABER Radios. This battery replaces Motorola OEM Part Number NTN4593, NTN4593DR, NTN4594, NTN4595, NTN4595A, N...
by RFI-EMI-GUY
Thu Mar 06, 2014 10:26 pm
Forum: General Motorola Solutions & Legacy Radio Discussion
Topic: Shopping for SABER Batteries?
Replies: 6
Views: 1484

Re: Shopping for SABER Batteries?

Thanks; Yes the W&W was a disappointment right off the bat. A bit to large in width leaving a gap at the latch. And the battery has an early death. The Primecell repacks, are dying but have a better last gasp than the W&W. If I buy some IMPRES batteries, will they work at all in my old charg...
by RFI-EMI-GUY
Wed Feb 26, 2014 5:36 pm
Forum: General Motorola Solutions & Legacy Radio Discussion
Topic: Shopping for SABER Batteries?
Replies: 6
Views: 1484

Shopping for SABER Batteries?

I am shopping for a couple new SABER batteries before the hurricane season. I have had bad luck with W&W. The battery barely lasted a year under extremely light duty and the housing fit was cheesy. I like the short batteries, have in past sent two off to Primecell for NIMH upgrades. But now thos...
by RFI-EMI-GUY
Wed Feb 26, 2014 5:15 pm
Forum: General Motorola Solutions & Legacy Radio Discussion
Topic: System Saber Leakage Current??
Replies: 7
Views: 1559

Re: System Saber Leakage Current??

Hi Slim Bob; Are you saying the 200K Ohms for a DES-XL and 29K for DVP modules are normal? Did Motorola intentionally make the DVP draw down faster? I always wondered if you could defeat the zeroize function by installing a large capacitor on the B+ line. Now maybe it seems a bleeder resistor inside...
by RFI-EMI-GUY
Sun Feb 16, 2014 10:02 pm
Forum: General Motorola Solutions & Legacy Radio Discussion
Topic: System Saber Leakage Current??
Replies: 7
Views: 1559

Re: System Saber Leakage Current??

I guess I will have to open these up and check the PA modules and the secure modules. Now I have to pull batteries of not in the charger.
by RFI-EMI-GUY
Sun Feb 16, 2014 10:00 pm
Forum: General Motorola Solutions & Legacy Radio Discussion
Topic: Narrowband - why does Motorola specs imply deafer radio?
Replies: 14
Views: 3863

Re: Narrowband - why does Motorola specs imply deafer radio?

True; the capture ratio is degraded as well. Yes digital starts looking attractive when you are forced to narrowband. You will have improved range, though arguably the voice quality is not the same. Motorola would call this result of "Fait Accompli", or "a done deal - money in the ban...
by RFI-EMI-GUY
Mon Feb 03, 2014 10:05 pm
Forum: General Motorola Solutions & Legacy Radio Discussion
Topic: System Saber Leakage Current??
Replies: 7
Views: 1559

Re: System Saber Leakage Current??

My first thought, but the service manual implies that type of failure is measure above approx 105 ma in standby. This is powered off, and much smaller drain 0.5ma. I will peek at the schematic to see what parts hang directly on the battery + line. Hoping to interest some others to measure their radi...
by RFI-EMI-GUY
Mon Feb 03, 2014 9:26 pm
Forum: General Motorola Solutions & Legacy Radio Discussion
Topic: Narrowband - why does Motorola specs imply deafer radio?
Replies: 14
Views: 3863

Re: Narrowband - why does Motorola specs imply deafer radio?

When you perform 12 dB SINAD testing, the signal generator is adjusted to 60% system deviation (Per TIA/EIA 603D), So for a 25 KHz system running +/- 5 KHz deviation, you set the 1000 Hz tone at +/- 3.0 KHz. For a 12.5 KHz system, the deviation is +/- 2.5 KHz, so the tone is set at +/- 1.5 KHz. This...
by RFI-EMI-GUY
Mon Feb 03, 2014 8:02 pm
Forum: General Motorola Solutions & Legacy Radio Discussion
Topic: Stornophone 7000( mx3000) unlock
Replies: 3
Views: 1157

Re: Stornophone 7000( mx3000) unlock

1) Can you get the proper RSS for European SABER/MX? 2) Make sure you are using the recommended SLOW 386/486 IBM PC to program. 3) Check your connections and power to the RIB as well as COM port selection. 4) I found that if certain files in the RSS were archived-write protected, a comm failure resu...
by RFI-EMI-GUY
Mon Feb 03, 2014 7:51 pm
Forum: General Motorola Solutions & Legacy Radio Discussion
Topic: Low Band HT220, did any ever exist
Replies: 5
Views: 1627

Re: Low Band HT220, did any ever exist

Apparently Motorola made a VHF "DVP" HT-220 at one time. I found a service manual for just such a radio. Where the PL board would go, a small PC board with gold flat pack IC's was installed. There was a CVSD chip, some discrete logic and three or four BCD rotary switches under a door. It w...
by RFI-EMI-GUY
Mon Feb 03, 2014 6:49 pm
Forum: General Motorola Solutions & Legacy Radio Discussion
Topic: Systems saber help
Replies: 3
Views: 666

Re: Systems saber help

Radio Wide Options Screen: Set to Zone/Channel? If you can view only in this screen your model number is not correct for a keypad model. I did not know that pressing all three buttons activated programming mode. I thought this was an early SABER function. The RSS should invoke programming mode on it...
by RFI-EMI-GUY
Mon Feb 03, 2014 6:24 pm
Forum: General Motorola Solutions & Legacy Radio Discussion
Topic: System Saber Leakage Current??
Replies: 7
Views: 1559

System Saber Leakage Current??

I have a bunch of UHF SABERS, In particular I have a SYSTEM SABER i regularly use. I have had problems with an aftermarket W&W NIMH battery dying while the radio sits idle and turned off. So I got curious and decided to measure the leakage resistance of the radio when turned off. I used an analo...
by RFI-EMI-GUY
Fri Jun 02, 2006 7:47 pm
Forum: General Motorola Solutions & Legacy Radio Discussion
Topic: systems saber program need help
Replies: 12
Views: 1181

System Saber Programming Error

bule Some time ago you posted a problem with System Saber: RSS: RSS: ERROR: Could Not Acquire Busy Line, turn radio off then on to try again. I am having same problem, I have two UHF radios with CON 6 and am using R03.00.2 version which is supposedly a "lab" versiojn. I think my hardware is OK as I...

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