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Channel Designation Table: 29-50 MHz, 5kHz Increments - Continued 

 

 

Chan. Freq.  Chan. Freq.  Chan. Freq.  Chan. Freq.  Chan. Freq.  Chan. Freq. 

Num. (MHz)  Num. (MHz)  Num. (MHz)  Num. (MHz)  Num. (MHz)  Num. (MHz) 

DANIELS

ELECTRONICS LTD.

TM

8-8 

IM10-VR3H040-AB         VHF Enhanced Extra Wideband Receiver Instruction Manual      

2670 ..... 42.35000 
2671 ..... 42.35500 
2672 ..... 42.36000 
2673 ..... 42.36500 
2674 ..... 42.37000 
2675 ..... 42.37500 
2676 ..... 42.38000 
2677 ..... 42.38500 
2678 ..... 42.39000 
2679 ..... 42.39500 
2680 ..... 42.40000 
2681 ..... 42.40500 
2682 ..... 42.41000 
2683 ..... 42.41500 
2684 ..... 42.42000 
2685 ..... 42.42500 
2686 ..... 42.43000 
2687 ..... 42.43500 
2688 ..... 42.44000 
2689 ..... 42.44500 
2690 ..... 42.45000 
2691 ..... 42.45500 
2692 ..... 42.46000 
2693 ..... 42.46500 
2694 ..... 42.47000 
2695 ..... 42.47500 
2696 ..... 42.48000 
2697 ..... 42.48500 
2698 ..... 42.49000 
2699 ..... 42.49500 
2700 ..... 42.50000 
2701 ..... 42.50500 
2702 ..... 42.51000 
2703 ..... 42.51500 
2704 ..... 42.52000 
2705 ..... 42.52500 
2706 ..... 42.53000 
2707 ..... 42.53500 
2708 ..... 42.54000 
2709 ..... 42.54500 
2710 ..... 42.55000 
2711 ..... 42.55500 
2712 ..... 42.56000 
2713 ..... 42.56500 
2714 ..... 42.57000 
2715 ..... 42.57500 
2716 ..... 42.58000 
2717 ..... 42.58500 
2718 ..... 42.59000 
2719 ..... 42.59500 
2720 ..... 42.60000 
2721 ..... 42.60500 
2722 ..... 42.61000 
2723 ..... 42.61500 
2724 ..... 42.62000 
2725 ..... 42.62500 
2726 ..... 42.63000 
2727 ..... 42.63500 
2728 ..... 42.64000 
2729 ..... 42.64500 
2730 ..... 42.65000 
2731 ..... 42.65500 
2732 ..... 42.66000 
2733 ..... 42.66500 
2734 ..... 42.67000 

2735 ..... 42.67500 
2736 ..... 42.68000 
2737 ..... 42.68500 
2738 ..... 42.69000 
2739 ..... 42.69500 
2740 ..... 42.70000 
2741 ..... 42.70500 
2742 ..... 42.71000 
2743 ..... 42.71500 
2744 ..... 42.72000 
2745 ..... 42.72500 
2746 ..... 42.73000 
2747 ..... 42.73500 
2748 ..... 42.74000 
2749 ..... 42.74500 
2750 ..... 42.75000 
2751 ..... 42.75500 
2752 ..... 42.76000 
2753 ..... 42.76500 
2754 ..... 42.77000 
2755 ..... 42.77500 
2756 ..... 42.78000 
2757 ..... 42.78500 
2758 ..... 42.79000 
2759 ..... 42.79500 
2760 ..... 42.80000 
2761 ..... 42.80500 
2762 ..... 42.81000 
2763 ..... 42.81500 
2764 ..... 42.82000 
2765 ..... 42.82500 
2766 ..... 42.83000 
2767 ..... 42.83500 
2768 ..... 42.84000 
2769 ..... 42.84500 
2770 ..... 42.85000 
2771 ..... 42.85500 
2772 ..... 42.86000 
2773 ..... 42.86500 
2774 ..... 42.87000 
2775 ..... 42.87500 
2776 ..... 42.88000 
2777 ..... 42.88500 
2778 ..... 42.89000 
2779 ..... 42.89500 
2780 ..... 42.90000 
2781 ..... 42.90500 
2782 ..... 42.91000 
2783 ..... 42.91500 
2784 ..... 42.92000 
2785 ..... 42.92500 
2786 ..... 42.93000 
2787 ..... 42.93500 
2788 ..... 42.94000 
2789 ..... 42.94500 
2790 ..... 42.95000 
2791 ..... 42.95500 
2792 ..... 42.96000 
2793 ..... 42.96500 
2794 ..... 42.97000 
2795 ..... 42.97500 
2796 ..... 42.98000 
2797 ..... 42.98500 
2798 ..... 42.99000 
2799 ..... 42.99500 

2800 ..... 43.00000 
2801 ..... 43.00500 
2802 ..... 43.01000 
2803 ..... 43.01500 
2804 ..... 43.02000 
2805 ..... 43.02500 
2806 ..... 43.03000 
2807 ..... 43.03500 
2808 ..... 43.04000 
2809 ..... 43.04500 
2810 ..... 43.05000 
2811 ..... 43.05500 
2812 ..... 43.06000 
2813 ..... 43.06500 
2814 ..... 43.07000 
2815 ..... 43.07500 
2816 ..... 43.08000 
2817 ..... 43.08500 
2818 ..... 43.09000 
2819 ..... 43.09500 
2820 ..... 43.10000 
2821 ..... 43.10500 
2822 ..... 43.11000 
2823 ..... 43.11500 
2824 ..... 43.12000 
2825 ..... 43.12500 
2826 ..... 43.13000 
2827 ..... 43.13500 
2828 ..... 43.14000 
2829 ..... 43.14500 
2830 ..... 43.15000 
2831 ..... 43.15500 
2832 ..... 43.16000 
2833 ..... 43.16500 
2834 ..... 43.17000 
2835 ..... 43.17500 
2836 ..... 43.18000 
2837 ..... 43.18500 
2838 ..... 43.19000 
2839 ..... 43.19500 
2840 ..... 43.20000 
2841 ..... 43.20500 
2842 ..... 43.21000 
2843 ..... 43.21500 
2844 ..... 43.22000 
2845 ..... 43.22500 
2846 ..... 43.23000 
2847 ..... 43.23500 
2848 ..... 43.24000 
2849 ..... 43.24500 
2850 ..... 43.25000 
2851 ..... 43.25500 
2852 ..... 43.26000 
2853 ..... 43.26500 
2854 ..... 43.27000 
2855 ..... 43.27500 
2856 ..... 43.28000 
2857 ..... 43.28500 
2858 ..... 43.29000 
2859 ..... 43.29500 
2860 ..... 43.30000 
2861 ..... 43.30500 
2862 ..... 43.31000 
2863 ..... 43.31500 
2864 ..... 43.32000 

2865 ..... 43.32500 
2866 ..... 43.33000 
2867 ..... 43.33500 
2868 ..... 43.34000 
2869 ..... 43.34500 
2870 ..... 43.35000 
2871 ..... 43.35500 
2872 ..... 43.36000 
2873 ..... 43.36500 
2874 ..... 43.37000 
2875 ..... 43.37500 
2876 ..... 43.38000 
2877 ..... 43.38500 
2878 ..... 43.39000 
2879 ..... 43.39500 
2880 ..... 43.40000 
2881 ..... 43.40500 
2882 ..... 43.41000 
2883 ..... 43.41500 
2884 ..... 43.42000 
2885 ..... 43.42500 
2886 ..... 43.43000 
2887 ..... 43.43500 
2888 ..... 43.44000 
2889 ..... 43.44500 
2890 ..... 43.45000 
2891 ..... 43.45500 
2892 ..... 43.46000 
2893 ..... 43.46500 
2894 ..... 43.47000 
2895 ..... 43.47500 
2896 ..... 43.48000 
2897 ..... 43.48500 
2898 ..... 43.49000 
2899 ..... 43.49500 
2900 ..... 43.50000 
2901 ..... 43.50500 
2902 ..... 43.51000 
2903 ..... 43.51500 
2904 ..... 43.52000 
2905 ..... 43.52500 
2906 ..... 43.53000 
2907 ..... 43.53500 
2908 ..... 43.54000 
2909 ..... 43.54500 
2910 ..... 43.55000 
2911 ..... 43.55500 
2912 ..... 43.56000 
2913 ..... 43.56500 
2914 ..... 43.57000 
2915 ..... 43.57500 
2916 ..... 43.58000 
2917 ..... 43.58500 
2918 ..... 43.59000 
2919 ..... 43.59500 
2920 ..... 43.60000 
2921 ..... 43.60500 
2922 ..... 43.61000 
2923 ..... 43.61500 
2924 ..... 43.62000 
2925 ..... 43.62500 
2926 ..... 43.63000 
2927 ..... 43.63500 
2928 ..... 43.64000 
2929 ..... 43.64500 

2930 ..... 43.65000 
2931 ..... 43.65500 
2932 ..... 43.66000 
2933 ..... 43.66500 
2934 ..... 43.67000 
2935 ..... 43.67500 
2936 ..... 43.68000 
2937 ..... 43.68500 
2938 ..... 43.69000 
2939 ..... 43.69500 
2940 ..... 43.70000 
2941 ..... 43.70500 
2942 ..... 43.71000 
2943 ..... 43.71500 
2944 ..... 43.72000 
2945 ..... 43.72500 
2946 ..... 43.73000 
2947 ..... 43.73500 
2948 ..... 43.74000 
2949 ..... 43.74500 
2950 ..... 43.75000 
2951 ..... 43.75500 
2952 ..... 43.76000 
2953 ..... 43.76500 
2954 ..... 43.77000 
2955 ..... 43.77500 
2956 ..... 43.78000 
2957 ..... 43.78500 
2958 ..... 43.79000 
2959 ..... 43.79500 
2960 ..... 43.80000 
2961 ..... 43.80500 
2962 ..... 43.81000 
2963 ..... 43.81500 
2964 ..... 43.82000 
2965 ..... 43.82500 
2966 ..... 43.83000 
2967 ..... 43.83500 
2968 ..... 43.84000 
2969 ..... 43.84500 
2970 ..... 43.85000 
2971 ..... 43.85500 
2972 ..... 43.86000 
2973 ..... 43.86500 
2974 ..... 43.87000 
2975 ..... 43.87500 
2976 ..... 43.88000 
2977 ..... 43.88500 
2978 ..... 43.89000 
2979 ..... 43.89500 
2980 ..... 43.90000 
2981 ..... 43.90500 
2982 ..... 43.91000 
2983 ..... 43.91500 
2984 ..... 43.92000 
2985 ..... 43.92500 
2986 ..... 43.93000 
2987 ..... 43.93500 
2988 ..... 43.94000 
2989 ..... 43.94500 
2990 ..... 43.95000 
2991 ..... 43.95500 
2992 ..... 43.96000 
2993 ..... 43.96500 
2994 ..... 43.97000 

2995...... 43.97500 
2996...... 43.98000 
2997...... 43.98500 
2998...... 43.99000 
2999...... 43.99500 
3000...... 44.00000 
3001...... 44.00500 
3002...... 44.01000 
3003...... 44.01500 
3004...... 44.02000 
3005...... 44.02500 
3006...... 44.03000 
3007...... 44.03500 
3008...... 44.04000 
3009...... 44.04500 
3010...... 44.05000 
3011...... 44.05500 
3012...... 44.06000 
3013...... 44.06500 
3014...... 44.07000 
3015...... 44.07500 
3016...... 44.08000 
3017...... 44.08500 
3018...... 44.09000 
3019...... 44.09500 
3020...... 44.10000 
3021...... 44.10500 
3022...... 44.11000 
3023...... 44.11500 
3024...... 44.12000 
3025...... 44.12500 
3026...... 44.13000 
3027...... 44.13500 
3028...... 44.14000 
3029...... 44.14500 
3030...... 44.15000 
3031...... 44.15500 
3032...... 44.16000 
3033...... 44.16500 
3034...... 44.17000 
3035...... 44.17500 
3036...... 44.18000 
3037...... 44.18500 
3038...... 44.19000 
3039...... 44.19500 
3040...... 44.20000 
3041...... 44.20500 
3042...... 44.21000 
3043...... 44.21500 
3044...... 44.22000 
3045...... 44.22500 
3046...... 44.23000 
3047...... 44.23500 
3048...... 44.24000 
3049...... 44.24500 
3050...... 44.25000 
3051...... 44.25500 
3052...... 44.26000 
3053...... 44.26500 
3054...... 44.27000 
3055...... 44.27500 
3056...... 44.28000 
3057...... 44.28500 
3058...... 44.29000 
3059...... 44.29500 

Summary of Contents for VR-3H

Page 1: ...part of this publication may be reproduced stored in a retrieval system or transmitted in any form or by any means electronic mechanical photocopying recording or otherwise without the prior written consent of Daniels Electronics Ltd DE is a registered trademark of Daniels Electronic Ltd registered in the U S Patent and Trademark Office Daniels Electronics Ltd Revision Date Aug 2003 Victoria BC Re...

Page 2: ...m requirements Please report any errors or problems to Daniels Electronics Customer Service Department NOTE The user s authority to operate this equipment could be revoked through any changes or modifications not expressly approved by Daniels Electronics Ltd The design of this equipment is subject to change due to continuous development This equipment may incorporate minor changes in detail from t...

Page 3: ...ency Change 2 4 2 3 3 Minor Frequency Change 2 5 2 3 4 Major Frequency Change 2 5 2 4 21 4 MHz IF Audio Main Board 2 6 2 5 Enhanced Front End 2 6 2 6 Enhanced Synthesizer 2 7 2 7 Receiver Front Panel Illustration 2 8 2 8 MT 3 Receiver Case Exploded View 2 9 2 9 VR 3H040 Family Enhanced Receiver Block Diagram 2 10 3 THEORY OF OPERATION 3 1 3 1 21 4 MHz IF Audio Main Board 3 1 3 1 1 General 3 1 3 1 ...

Page 4: ...Circuit Board Numbering Convention 4 2 4 4 Recommended Test Equipment 4 2 4 5 Synthesizer OS 3 OS 3H 4 3 4 5 1 VHF OS R T 3H 29 71 4 MHz VCO Alignment 4 3 4 6 Front End Tuning 4 5 4 7 Main Board Tuning 4 6 4 7 1 IF Amplifier Bias Current Adjustment 4 6 4 7 2 21 4MHz 4 6 4 7 3 Audio Levels 4 6 4 7 4 Distortion and Sensitivity 4 7 4 7 5 Second IF Demodulation 4 7 4 7 6 Squelch Window 4 8 5 RECEIVER ...

Page 5: ...m Extra Wideband 6 10 6 12 Synthesizer Analog PCB Component Layout Top Extra Wideband 6 11 6 13 Synthesizer Analog PCB Schematic Diagram Extra Wideband 6 12 6 14 Synthesizer Digital PCB Schematic Diagram Extra Wideband 6 13 6 15 Synthesizer Digital PCB Component Layout Bottom Extra Wideband 6 14 6 16 Synthesizer Digital PCB Component Layout Top Extra Wideband 6 15 7 PARTS LISTS 7 1 7 1 Electrical ...

Page 6: ...DANIELS ELECTRONICS LTD TM vi IM10 VR3H040 AB VHF Enhanced Extra Wideband Receiver Instruction Manual This Page Intentionally Left Blank ...

Page 7: ...ations The VR 3H040 Receiver family combines state of the art performance in a compact modular enclosure for applications ranging from remote mountain top repeaters to congested urban radio environments Each receiver module is characterized by dependable low maintenance performance under the most severe environmental conditions The VR 3H040 modular receiver family is compatible with all Daniel s s...

Page 8: ...ual This manual provides complete information on the operation of the 21 4 MHz FM IF Audio Main Board The bulk of the material relating to receiver operation and installation can be found within this manual The majority of receiver options including channel selection are accessed through the FM IF Audio Main Board In addition most of the external receiver connections are made through the FM IF Aud...

Page 9: ... 0 or 6 25 kHz increments selected through four internal BCD rotary switches Number of Channels Preset capability for 16 channel memory selectable through four external logic control lines Channel Switching Range 1 MHz 38 50 MHz No tuning adjustment 0 5 MHz 29 38 MHz No tuning adjustment Reference Sensitivity 114 dBm typically 116 dBm for 12 dB SINAD Local Oscillator Frequency Stability 5 ppm 30 C...

Page 10: ...udio Response 1 1 dB 300 Hz to 3 kHz Squelch Hysteresis Adjustable from 2 dB to 20 dB Squelch Threshold Adjustable from 123 to 105 dBm Squelch Operation Noise based standard or optionally configured RSSI controlled Front Panel Controls Receiver power On Norm Off Squelch Disable Push button COR Interface 2 amp 50 V open drain power MOSFET 100 mA 30V opto isolator optional 2 amp form C electro mecha...

Page 11: ... Power Requirements 9 5 Vdc 160 mA 1 4 3 Enhanced Synthesizer Performance Specifications Frequency Range 29 MHz 38 MHz 0 5 MHz OST 3H035 Tuning range with no adjustment 38 MHz 50 MHz 1 0 MHz OST 3H045 is shown in brackets 50 4 MHz 71 4 MHz 1 0 MHz OSR 3H061 Output Power 5 dBm 2 dBm into 50Ω External Reference Input External reference input signal via SMB connector J1 Input level 0 dBm 3 dB Input i...

Page 12: ...ign Plug in modules mate with Daniels standard M3 repeater subrack Subracks modules comply with IEEE 1101 DIN 41494 and IEC 297 3 mechanical size modular arrangement External Connections RF Connection type N connector located on the receiver module front panel Motherboard Connections Audio Power and Control are made through a 48 pin gold plated type F connector on the rear of the transmitter modul...

Page 13: ...is also located within this module The module has inputs for the RF signal Front Panel N connector local oscillator input signal and an output for the 21 4 MHz IF signal which connects directly to the FM IF Audio Main Board Interconnections are made using quick connect SMB style connectors The MT 3 Receiver FM IF Audio Main Board accepts the IF signal of 21 4 mHz The signal passes through the foll...

Page 14: ...al for simplified channel number and frequency information VR 3H035 S and VR 3H045 S 29 50 MHz with 5 kHz channel increments BCD settings from 0000 to 4999 CHNL Rxfrequency 29 MHz 5 kHz or Rxfrequency CHNL 5 kHz 29 MHz 6 25 kHz channel increments BCD settings from 5000 to 9999 CHNL Rxfrequency 29 MHz 6 25 kHz 5000 or Rxfrequency CHNL 5000 6 25 kHz 29 MHz Alternatively a frequency and channel looku...

Page 15: ...rack SM 3 System Monitor and RF extender cable to provide receiver power and signal interconnection Alternatively 9 5 Vdc and 13 8 Vdc as well as any required test signals may be applied directly to the individual modules Refer to section 4 Throughout the alignment procedure reference is made to a standard signal This refers to an external generator signal source with FM modulation 1 kHz tone and ...

Page 16: ...equency change in relation to the frequency stamped on the label For example if the frequency is changed by 0 5 MHz from that stamped on the label then a second frequency change of 1 MHz in the same direction would result in a total change of 1 5 MHz The action taken would be on the basis of the 1 5 MHz value Failure to perform a realignment after a large frequency change could result in unreliabl...

Page 17: ... PLL control voltage at TP4 accessible through the synthesizer top cover is advisable at all programmed frequencies The voltage at TP4 should range between 0 5 Vdc and 4 5 Vdc at all programmed frequencies Measured voltages outside this range indicate a possible out of lock condition and should be avoided The Front End module must be removed but left connected from the main receiver chassis in ord...

Page 18: ...ds within a frequency range do not require a configuration change 2 5 Enhanced Front End The FE3H040 Enhanced Front End is a highly integrated frequency selective down converter used in Daniels Electronics standard MT 3 Low Band VHF FM receiver product line The FE3H040 Front End connects to the 21 4 MHz IF Audio Main Board and the enhanced Synthesizer to form a complete receiver The Enhanced Front...

Page 19: ...l temperature compensated 9 6 MHz reference to produce a signal stable to 1 ppm within the temperature range of 40 C to 60 C Alternately the OS 3A H can be disciplined by an external 9 6 MHz or 10 MHz reference of higher stability All synthesizer modules are designed to be easily removed for programming calibration and or repair The synthesizer circuitry is distributed between two printed circuit ...

Page 20: ...eceiver Front Panel Illustration VR3H040SM1 SQ DISABLE N O RM O FF RF N I REFERENCE INPUT RECE VER I SQUELCH DISABLE ON OFF SWITCH TYPE N RF INPUT JACK SMA REFERENCE INPUT JACK FACTORY SET OPERATING FREQUENCY RECEIVER MODEL IDENTIFIER FREQUENCY MHz 45 120 MADE IN CANADA MADE IN CANADA VR 3H045 SW ORANGE TEXT ...

Page 21: ...eceiver Case 2 Remove the four Front Panel screws A 3 Remove the Receiver Case 4 To remove the RF Amplifier Assembly remove Front Panel screws B and the top screw C holding the F48 connector on the PCB 5 Assembly is the reverse of steps 1 through 4 B A A A A B C D D D D Slide PCB into Slot 1 RF AMPLIFIER ASSEMBLY RECEIVER FRONT PANEL ASSEMBLY RECEIVER 14 HP CASE VR3040SM2 ...

Page 22: ...RELAY NO 1 NC 1 COM 1 COM 2 NC 2 NO 2 MUTE SQUELCH OVERRIDE GROUND DE EMPHASIS NETWORK 6 dB PER OCTAVE HIGH PASS NOISE FILTER Fc 10 KHz CHANNEL SEL 3 CHANNEL SEL 2 CHANNEL SEL 1 CHANNEL SEL 0 SYNTH BOOTSTRAP SYNTH DATA OUT SYNTH DATA IN T FINE FREQUENCY ADJUST ACCESS HOLE THROUGH SYNTHESIZER COVER TRUE RMS NOISE POWER DETECTOR SQUELCH TRIGGER COMPARATOR TEMPERATURE COMPENSATED SQUELCH NOISE AMPLIF...

Page 23: ...ction 6 21 4 MHz IF Audio Main Board Schematic Diagram 3 1 2 Power Supplies The receiver operates from a main 9 5 Vdc source from the system monitor applied to B6 Z6 at the main 48 pin connector This source provides power to the Front End local oscillator module IF amplifier operational amplifiers high level audio drive U9 and internal regulators Regulator IC U1 provides 6 0 Vdc to the IF Audio Ma...

Page 24: ...assive quadrature discriminator tuned circuit Recovered audio is output on pin 9 of IC U2 3 1 6 Received Signal Strength Indicator RSSI A received signal strength indicator RSSI output is provided at pin 13 of IC U2 This pin sources up to 60 µA over a linear 60 dB of input signal range Operational amplifier U3A translates the RSSI current to a 1 to 5 Vdc output range that is made available at B24 ...

Page 25: ... both audio and squelch circuitry Operational amplifier U18A is AC coupled to the recovered audio line providing low pass filtering with a cutoff frequency of approximately 8 kHz together with amplification of the recovered audio signal The output of U18A provides a flat audio response which can be routed via jumpers JU10 JU11 and JU12 through a voice band filter and or connected directly through ...

Page 26: ...phasis or flat audio signal path Potentiometer R64 adjusts the gain of the high level drive to a maximum undistorted level of 3 dBm into a 600 Ω load connected to main connector pins B26 and Z26 Jumper JU24 when installed unbalances the 600 Ω line transformer for single ended audio routing applications For low power applications a 4 mA reduction in receiver current is possible by removing jumper J...

Page 27: ...er removes modulation components below 10 kHz leaving band limited noise from 10 kHz to 100 kHz It is important to remove modulation components below 10 kHz in order to prevent variations in squelch trigger point due to modulation changes in the received signal Band limited noise is then presented to operational amplifier U13A where it is amplified with gain as a function of ambient temperature Th...

Page 28: ...l become unsquelched To give the mute line precedence remove jumper JU40 A receiver squelch override line brought out through main connector pin Z14 when pulled low acts to permanently unsquelch the receiver depending on jumper JU40 and the state of the receiver mute line by turning transistors Q8 and Q11 on Transistor Q8 pulls the non inverting input pin 3 of U16A to the 9 5 Vdc supply which caus...

Page 29: ...d receiver channel selection is achieved by setting a decimal number on four BCD frequency select switches or by selecting one of 16 pre programmed channels via the Channel Select Lines Seven backplane connections are used to communicate with the synthesizer unit Pins D28 D30 and D32 are used in house to program the synthesizer with up to 15 channels Channel Select Lines CSEL0 LSB through CSEL3 MS...

Page 30: ...coaxial cable interconnections The FE3H Front End draws approximately 160 mA from the IF audio board s 9 5 Vdc supply The RF input signal connected to the receiver front panel type N connector is fed to the front end SMB input connector J1 by a short coaxial cable The FE3H Front End s local oscillator input and IF output are respectively routed by coaxial cable from the local oscillator module and...

Page 31: ...on The low pass filter consists of C11 through C14 and L3 through L5 It is a low pass filter designed to pass the desired frequency range of 29 0 MHz 50 0 MHz and reject the image band of 71 8 MHz 92 8 MHz Typical insertion loss is 1 5 dB 3 2 6 Local Oscillator Filter The local oscillator filter is a low pass filter consisting of C34 through C37 and L10 through L12 Typical insertion loss is 1 5 dB...

Page 32: ...l transmitter U5 to provide an isolated data interface to the digital board In normal operating modes 9 5 Vdc Regulator IC U8 provides continuous 5 0 Vdc to the internal TCXO and power control optical receiver U1 This results in a standby current level of 14 mA for FM and 4 mA for AM Primary power is controlled through activation of optical receiver U1 under control of the digital board micro cont...

Page 33: ...odulated bandwidth from 0 Hz DC to 50 Hz PLL loop filter bandwidth allowing for specialized applications such as paging or trunking where a separate low frequency digital analog modulation channel is required Phase modulation input pin P1 18 is routed to the transmitter audio processor spare pin P4 2 via JA4 2 on the MT 3 transmitter main board It should be noted that any application of the direct...

Page 34: ...ng of the PLL control voltage set point TP4 is achieved by adjusting fine frequency variable capacitor C24 combined with binary weighted lumped capacitor coarse frequency jumpers JU2 JU3 JU4 External baseband frequency modulation is provided through connection P1 and a voltage divider network formed by R21 and R22 A large signal division ratio established by the resistive dividers R21 and R22 allo...

Page 35: ...y Control 3 4 1 BCD Switch Frequency Control Selection of the desired synthesizer output frequency is straightforward If all four of the CHANNEL SELECT lines CHAN SEL3 CHAN SEL0 are pulled low to GND the synthesizer will scan the four BCD switches FSW1 FSW4 located on the receiver and transmitter main circuit boards via connections SW1 COM SW4 COM and PC4 PC7 and establish the operating frequency ...

Page 36: ... MHz 50 4 MHz 5 0 6 25 kHz 3 4 3 5 0 6 25 kHz Channelization All Daniels VHF synthesizers have been designed to generate frequencies in both 5 0 kHz and 6 25 kHz channel increments BCD channel switch settings from 0000 to 4999 will therefore select operating frequencies with 5 0 kHz increments while BCD switch settings from 5000 to 9999 will select operating frequencies with 6 25 kHz increments Ca...

Page 37: ...lignment check that the appropriate jumpers are installed The standard jumper configuration given in section 5 is normally employed for receiver alignment The extruded receiver case should be removed to expose all receiver circuitry In addition the removal of the Front End is required for C130 second local oscillator frequency adjustment All jumpers and test points are clearly marked All adjustmen...

Page 38: ...re identified by one of the above conventions 4 4 Recommended Test Equipment Alignment of the receiver requires the following test equipment or its equivalent Power supply Regulated 9 5 Vdc at 2 A Phillips PM 2811 Oscilloscope Multimeter Fluke 97 Scopemeter Spectrum Analyzer with Tracking Generator Radio communications test set Marconi Instruments 2955R Radio communications test set Marconi Instru...

Page 39: ...y adjust the VCO fine frequency TUNE trimmer capacitor C24 until a test point TP4 voltage of approximately 2 3 Vdc is obtained PLL loop control voltages below approximately 0 5 Vdc and above approximately 4 5 Vdc will indicate an out of lock synthesizer condition If a test point TP4 reading of approximately 2 3 Vdc is unattainable through adjustment of C24 then the coarse frequency jumpers JU2 JU4...

Page 40: ...at TP4 Repeat this procedure until 2 3 Vdc is achieved at TP4 It is important to check the loop control voltage at TP4 when multiple synthesizer channels have been programmed All channel selections should result in a TP4 voltage within a 1 0 to 4 0 Vdc range Adjust the fine tuning capacitor C24 to center multiple channel voltages symmetrically about 2 3 Vdc Channel selections beyond the tuning ran...

Page 41: ... set up Generate a level of 30dBm and put 30dBm on the top of the y axis using RF ATTEN key Set the scan width to 10MHz div Enter in your Rx frequency Tune the five variable inductors CCW on the side of the front end until they are within a few turns of being flush with the top You should see a shape on the display that resembles a volcano Using the five variable inductors adjust the position of t...

Page 42: ...position Place the Marconi test set into Tx Monitor mode and monitor the radiated RF from X1 using a test probe or antenna with the 1 watt input Tune C130 to achieve 21 855MHz 20 Hz Place the test set into Rx Test and inject the receiver nominal frequency into the RF input of the front end RF Level 70 dBm mod freq 1kHz deviation 9kHz Ensure the band pass filter of 0 3 3 4kHz is selected Measure TP...

Page 43: ...short length of wire connected to a coaxial cable works well Adjust variable capacitor C130 until an oscillator frequency of 21 855 MHz is achieved If the squelch circuitry has been incorrectly adjusted it may be necessary to depress the squelch override switch on the receiver front panel continuously or ground pin Z14 for the following receiver adjustments Terminate the balanced audio output line...

Page 44: ...88 CW until the Rx s audio O P turns off Slowly turn R88 CCW until the signal just comes on and stays on Set the RF Gen level to 3dB below the sensitivity Turn pot R115 CW while occasionally pressing the squelch disable button on the front panel until the signal remains on without having to press the button Slowly turn R115 CCW until the signal just turns off and remains off Check to ensure that t...

Page 45: ...e filter power enable Jumper JU8 not installed Voice band filter 9 5 Vdc power enable Jumper JU9 not installed Voice band filter 4 75 Vdc power enable Jumper JU10 not installed Unfiltered audio voice band filter input select Jumper JU11 installed Unfiltered flat audio select Jumper JU12 not installed Voice band filtered flat audio select Jumper JU13 not installed De emphasized audio voice band fil...

Page 46: ...U39 not installed 6 0 9 5 Vdc Priority COR pull up select Jumper JU40 installed Squelch override precedence enable Jumper JU41 not installed 45 MHz IF narrow band matching Jumper JU42 not installed Installed for 45 MHz only Jumper JU43 not installed Squelched discriminator audio ENA Jumper JU44 not installed Squelched discriminator audio ENB 5 1 3 Test Points TP1 6 0 Vdc 0 1 Vdc U1 positive regula...

Page 47: ...currents indicate that immediate corrective action repair is required TP1 6 0 Vdc 0 1 Vdc U1 positive regulator output TP2 6 0 Vdc 0 1 Vdc U12 negative regulator output TP3 4 75 Vdc 0 1 Vdc Virtual ground reference source TP13 2 50 Vdc 0 02 Vdc U15 squelch threshold reference Note that incorrect bias adjustment R13 of IF amplifier MOSFET Q1 can add significantly to the overall receiver current fig...

Page 48: ...mon B10 Disc Output LPF Z10 Spare D12 Relay 2 normally open B12 COR Normal Z12 COR Normal D14 IMC1 B14 Disc Output Buffered Z14 Squelch Override D16 IMC2 B16 No Connect MT 2 9 5V Z16 No Connect MT 2 9 5V D18 IMC3 B18 COR Opto isolated Z18 COR Opto isolated D20 Channel Select 0 LSB B20 De emphasis Audio Output Z20 No Connect D22 Channel Select 1 B22 Flat Audio Output Z22 Receiver I O Spare D24 Chan...

Page 49: ...s the required jumper configuration for the two synthesizer operating modes 1 Internal reference Install jumper JU1 B on the Analog Board Standard The internal temperature compensated crystal oscillator TCXO provides the reference signal with a stability of 1 ppm from 30 C Optional 40 C to 60 C 2 External reference input Install jumper JU1 A and JU2 on the Analog Board This mode is used in applica...

Page 50: ...6 positive regulator output TP2 5 0 0 1 Vdc U7 positive regulator output TP3 5 0 0 1 Vdc U8 positive regulator output always on TP4 PLL error voltage Normal range is 0 5 to 4 5 Vdc depending on frequency Nominally adjusted for 2 3 Vdc via C24 for center channel Digital Board Component Layout Bottom TP1 5 0 0 1 Vdc U2 positive regulator output controlled via pin P2 4 TP2 Microcontroller E clock 2 M...

Page 51: ...600R J1 J2 1 ROW x 6 PIN J3 1X2PIN C81 100 nF C114 330nF C116 330nF C117 330nF C113 4 7nF L7 150mH L8 150mH C107 470pF C106 820pF X1 L5 440 1143uH J7 IF RF IN R82 10K 1 ROW x12 PIN 1 ROW x 9 PIN J4 48 PIN F TYPE F1 J6 FRONT END CONNECTION 6V 13 8V PCB HOLDER FASTENED TO FRONT PANEL PCB HOLDER FASTENED TO FRONT PANEL C99 100µF C94 100µF C108 820pF C1 100µF SW1 TOGGLE SW2 PUSH C104 100µF 9 5V M1 C12...

Page 52: ... 100k C52 4 7µF C53 100nF U18 MC 33172 R29 187k C51 33pF R27 22k6 R28 22k6 C50 100nF R26 22k6 R9 100R R10 100R L1 N I C14 10nF R8 R6 0R R7 C136 C45 10nF R15 475R C30 10nF C31 10nF C34 100nF C138 C32 100nF C33 4 7µF C35 100nF C37 100nF C38 100nF U2 MC3371 C137 150pF R16 15k0 C47 100nF C46 R18 49k9 U3 MC 33172 C41 100nF C39 100nF R17 R20 C42 100nF R19 49k9 R21 49k9 R30 1k00 C40 4 7µF R35 1k00 U4 MC ...

Page 53: ... SUBTONE FILTER ENABLE JU8 VOICE BAND HIGH PASS FILTER ENABLE JU9 VOICE BAND FILTER OFFSET ENABLE JU10 FLAT AUDIO HIGH PASS FILTER CONNECT JU11 NORMAL FLAT AUDIO O P CONNECT JU12 HIGH PASS FILTER OUT TO FLAT AUDIO JU13 DE EMPHASIS TO HIGH PASS FLTR CONN JU14 NORMAL DE EMPH AUDIO OUTPUT CONN JU15 HPASS FLTR OUT TO DE EMP AUDIO PATH JU16 FLAT AUDIO HIGH LEVEL DRIVE JU17 DE EMPH AUDIO HIGH LEVEL CONN...

Page 54: ...MC33172 C132 120pF 3 4 2 5 6 1 7 8 U17 MOC223 LPF RFC 29 6 5 7 U19B MC33172 R98 100k PRIORITY COR MT 2 AFC MON Z 24 JU5 LPF RFC 21 9 5V BAS 16 D13 BC817 25 Q12 6V 10k0 R107 SIG DETECT PULLUP 470pF C107 820pF C108 150mH L7 150mH L8 10k0 R79 22k6 R81 6 8pF C110 22k6 R80 100nF C109 TP11 6 5 4 7 8 MC33172 U13A 4 7µF C111 100nF C112 9 5V 680pF C105 4k75 R78 4 75V 10k0 R83 10k R82 AD736 1 2 4 3 6 5 8 7 ...

Page 55: ...ponent Layout 6 5 VHF Enhanced Extra Wideband Receiver Instruction Manual IM10 VR3H040 AB R4 Q1 C5 P7 L4 UNUSED REFERENCE DESIGNATORS HIGHEST REFERENCE DESIGNATORS DWG No RX214M6 BOARD REV 1 0 BOARD No 50032 01 DATE 26 JULY 96 TITLE IF BUFFER DWN BY BRAD KOSIANCE APRVD DWG REV DATE TO MIXER PIN 2 IF INPUT ID 30MmA 9 5V 121R R1 121R R2 1 2 332R R3 1 0uH L1 100nF C1 820nH L2 56pF C2 10nF C3 680nH L3...

Page 56: ... C DE DANIELS ELECTRONICS TITLE ENHANCED FRONT END BANDPASS FILTER FE3H0X5 TOP TOP DWG No FE3H040M3 FE3H045 FE3H035 37 5 50 0 MHz 29 0 38 5 MHz 68 pF L5 C9 UNUSED REFERENCE DESIGNATORS RF INPUT APRVD RICK SMEGAL BOARD REV 1 0 DATE 06 FEBRUARY 1997 BOARD No 50034 01 L5 L4 L3 L2 L1 C9 C8 C7 C6 C5 C4 C3 C2 C1 162 252 nH 162 252 nH 162 252 nH 162 252 nH 162 252 nH 193 306 nH 193 306 nH 193 306 nH 193 ...

Page 57: ...IMAGE REJECTION FILTER R F INPUT I F OUTPUT 9 5 VDC 9 5 VDC 10 0µH L1 10 0µH L9 1 2 1 2 R10 SEL SEL R12 SEL R11 100nF C20 4 7µF C19 4 7µF C1 100nF C2 1K00 R1 30R1 R3 E B C NE46134 Q2 3K01 R4 C4 100nF C6 1 0nF E B C Q1 BC807 25 1 2 4R75 R6 2 2µH L2 C15 C16 C17 C18 L6 L7 L8 L3 220nH L4 270nH 49R9 R7 JU1 JU2 JU3 C3 10nF 10nF C5 10nF C7 10nF C8 10nF C9 10nF C10 10nF C21 R2 332R0 C11 47pF C14 47pF C12 ...

Page 58: ...DANIELS ELECTRONICS LTD TM 6 8 IM10 VR3H040 AB VHF Enhanced Extra Wideband Receiver Instruction Manual This Page Intentionally Left Blank ...

Page 59: ... 2 2µH Q2 NE46134 Q1 BC807 25 L1 10 0µH C3 10nF C2 100nF C1 4 7µF C4 100nF C5 10nF C6 1 0nF R1 1K00 R2 332R R3 30R1 R4 3K01 R6 4R75 R5 1K82 C9 10nF C8 10nF C10 10nF C7 10nF C14 47pF C13 100pF C12 100pF R14 49R9 JU1 JU2 JU3 A B C31 100nF C30 100nF C29 100nF C28 100nF C27 100nF C26 100nF C21 10nF C20 100nF C23 47pF C22 47pF C25 220pF C24 220pF R9 5K11 C33 100nF C32 100nF R15 121R R13 121R L11 180nH ...

Page 60: ... T C33 D5 T C34 B4 T C35 C5 T C36 C4 T C37 E4 B C38 E4 B C39 E4 B C40 B4 T C41 C5 T C42 E4 T C43 D4 T C44 C4 T C45 D4 B C46 E5 T C47 C4 T C48 A3 B C49 D3 B C50 D5 T C51 D5 T C52 E5 T C53 E5 T C54 D3 T C55 C4 T C56 C3 T C57 E4 T C58 E4 T C59 E4 T C61 A4 T C62 A5 T C63 A5 T C64 B5 T D1 A4 T D2 A4 T D3 B4 T D4 C5 T D5 B2 T JU1 B2 T JU2 A5 T JU3 A5 T JU4 A5 T JU5 D3 T JU6 F3 T JU7 F3 T JU8 F3 T DES LC...

Page 61: ...DES LC SD DES LC SD COMPONENT LOCATION TABLE C1 F1 T C2 E1 T C3 E2 T C4 A3 T C5 C2 T C6 E1 T C7 E1 T C8 A1 T C9 A3 T C10 A2 T C11 C2 T C12 E1 T C13 D1 T C14 A2 T C15 D1 T C16 A1 T C17 A3 T C18 B2 T C19 E2 T C20 D2 T C21 D2 T C22 D2 T C23 A4 T C24 B4 B C25 A4 T C26 C2 T C27 C1 T C28 B5 T C29 D3 T C30 D3 T C31 D3 T C32 C5 T C33 D5 T C34 B4 T C35 C5 T C36 C4 T C37 E4 B C38 E4 B C39 E4 B C40 B4 T C41 ...

Page 62: ...JOE U12 U14 J2 JU10 TCXO1 TP4 Q5 P3 R56 RV1 L13 LED1 C60 03 OSx 3H061 OSx 3H045 OSx 3H035 PRODUCT FREQUENCY BAND IDENTIFICATION A B COLIN GUNN 24 FEB 97 OS 3 R T 3H 29 71 4 MHz BOARD SCHEMATIC DIAGRAM EXTRA WIDEBAND C64 TP4 LOOP CONTROL SET FOR Å 2 3 VDC A B U16 D5 HIGHEST REFERENCE DESIGNATORS RF OUTPUT 3 5 dB Pad LOCK DETECT OUTPUT ACTIVATED WHEN UNLOCKED NC NC NC MODULATION INPUT POWER CNTRL ID...

Page 63: ... PD0 VDD MODB VRH PE7 PE6 PE5 PE4 PE3 PE2 PE1 PE0 PB7 PB6 PB5 PB4 PB3 PB2 PB1 PB0 PA7 PA6 PA5 PA4 PA3 PA2 PA1 PA0 VRL 1 2 3 4 5 6 7 8 16 15 14 13 12 11 10 9 17 18 19 25 24 23 22 21 20 26 34 33 32 31 30 29 28 27 42 41 40 39 38 37 36 35 43 45 47 49 44 46 48 50 51 52 U4 68HC811E2 D1 D1 D2 D2 S1 G1 S2 G2 1 2 3 4 5 6 7 8 U1 SI9933DY P1 12 P1 19 P1 11 P1 5 P1 13 P1 6 P1 14 P1 15 P1 8 P1 16 27K4 R14 27K4...

Page 64: ...7 U41 68HC11E2 X1 8 0Mhz C7 22pF R11 10M0 C6 22pF R39 27k4 R4 27k4 R10 27k4 R25 10k0 Q2 BC817 R24 10k0 L1 10uH C5 47uF C3 47uF U1 SI9933Y U2 LP2951 C4 47uF R6 27k4 D3 BAS16 JU2 C15 10uF JU1 U9 OPL550 U8 OP140A U7 OP140A U6 OP140A U5 OP140A P1 1ROW x 12P 1ROW x 9P P2 1ROW x 6P OS3150M4A PCB 50021 03 JU2 9 6 MHz REFERENCE 10 MHz REFERENCE NOT INSTALLED INSTALLED JU1 OSx 3H 29 470 MHz OSx 3A 118 159 ...

Page 65: ...14 27k4 R15 27k4 R16 27k4 R27 27k4 R26 10k0 R 17 27k4 R 33 332R R 32 215R R 31 215R C10 100nF C11 100nF C12 100nF C13 100nF C14 100nF R 30 215R R 23 10k0 R 3 27k4 R 2 27k4 C1 100nF C2 100nF Q11 BC817 Q8 BC817 Q7 BC817 Q6 BC817 Q5 BC817 Q4 BC817 Q3 BC817 Q1 BC817 Q10 BC817 D1 BAS16 D2 BAS16 D4 BAS16 R40 27k4 DWG No OS3HDIGAS2B TITLE OS 3H DIGITAL BOARD COMPONENT SIDE SM VALUE DESIGNATION R41 221k R...

Page 66: ...DANIELS ELECTRONICS LTD TM 6 16 IM10 VR3H040 AB VHF Enhanced Extra Wideband Receiver Instruction Manual This Page Intentionally Left Blank ...

Page 67: ...C0G 1008 1A820J1G C16 CAP SM 22pF CER 0805 C0G 1008 1A220J1G C17 CAP SM TRIMMER 2 5 10pF 1088 1A2R510R C18 CAP SM 6 8pF CER 0805 C0G 1008 0A689J1G C19 CAP SM TRIMMER 0 6 2 5pF 1088 1A0R62R5 C20 CAP SM 10nF CER 1206 X7R 1008 4B103K5R C21 CAP SM 100nF CER 1206 X7R 1008 5B104K5R C22 CAP SM 4 7uF TANT 10 16V 1055 5B475K16 C23 CAP SM 10nF CER 1206 X7R 1008 4B103K5R C24 CAP SM 10nF CER 1206 X7R 1008 4B1...

Page 68: ...104K5R C59 CAP 10nF FILM MMK5 10 63V 1016 4A103K63 C60 CAP 10nF FILM MMK5 10 63V 1016 4A103K63 C61 CAP 22nF FILM MMK5 10 63V 1016 4A223K63 C62 CAP 22nF FILM MMK5 10 63V 1016 4A223K63 C63 CAP 22nF FILM MMK5 10 63V 1016 4A223K63 C64 CAP SM 100nF CER 1206 X7R 1008 5B104K5R C65 CAP 22nF FILM MMK5 10 63V 1016 4A223K63 C66 CAP 22nF FILM MMK5 10 63V 1016 4A223K63 C67 CAP 22nF FILM MMK5 10 63V 1016 4A223K...

Page 69: ...05 C0G 1008 1A330J1G C104 CAP 100uF DIP TANT 20 20V 1054 7M107M20 C105 CAP SM 680pF CER 1206 C0G 1008 2B681J1G C106 CAP 820pF FILM KP 1 400V 1018 2A8201FD C107 CAP 470pF FILM KP 1 630V 1018 2A4701FE C108 CAP 820pF FILM KP 1 400V 1018 2A8201FD C109 CAP SM 100nF CER 1206 X7R 1008 5B104K5R C110 CAP SM 6 8pF CER 0805 C0G 1008 0A689J1G C111 CAP SM 4 7uF TANT 10 16V 1055 5B475K16 C112 CAP SM 100nF CER 1...

Page 70: ...S16 SWITCHING SOT23 2100 BAS16000 D12 DIODE MBZ5233B 6 0V ZEN SOT23 2102 MBZ5233B D13 DIODE BAS16 SWITCHING SOT23 2100 BAS16000 D14 DIODE BAS16 SWITCHING SOT23 2100 BAS16000 D15 DIODE BAS16 SWITCHING SOT23 2100 BAS16000 FB1 FERRITE BEAD SM 43MIX 18x 12 1213 43181200 L1 INDUCTOR SM 680nH 10 1812 1255 2GR6800M L2 INDUCT VAR 1 5 2 0uH SHIELD 1262 113C017S L3 INDUCT TOROID 26T 28AWG T37 6 1290 8426002...

Page 71: ...1206 1 100ppm 1150 4B6812FP R21 RES SM 49K9 1206 1 100ppm 1150 4B4992FP R22 RES SM 1K00 1206 1 100ppm 1150 3B1001FP R23 RES SM 49K9 1206 1 100ppm 1150 4B4992FP R24 RES SM 49K9 1206 1 100ppm 1150 4B4992FP R25 RES SM 1K00 1206 1 100ppm 1150 3B1001FP R26 RES SM 22K6 1206 1 100ppm 1150 4B2262FP R27 RES SM 22K6 1206 1 100ppm 1150 4B2262FP R28 RES SM 22K6 1206 1 100ppm 1150 4B2262FP R29 RES SM 187K 1206...

Page 72: ... R64 POT SM 4mmSQ 50K MULT TRN TOP 1174 DM3503W0 R65 RES SM 13K0 1206 1 100ppm 1150 4B1302FP R66 POT SM 4mmSQ 50K MULT TRN TOP 1174 DM3503W0 R67 RES SM 4K75 1206 1 100ppm 1150 3B4751FP R68 RES SM 22K6 1206 1 100ppm 1150 4B2262FP R69 RES SM 15K4 1206 1 100ppm 1150 4B1542FP R70 RES SM 475R 1206 1 100ppm 1150 2B4750FP R71 RES SM ZERO OHM JUMPER 1206 1150 0B0R0000 R72 RES SM 49K9 1206 1 100ppm 1150 4B...

Page 73: ...4B1002FP R115 POT SM 4mmSQ 50K MULT TRN TOP 1174 DM3503W0 RFC30 FILTER SM EM1 LPF 360pF FER 1306 T361F2D5 RLY1 RELAY 9VDC 2 FORM C PCB MNT 5310 2C09P005 T1 TRANSFORMER AUDIO 600R 1 1 1280 600P6005 U1 IC LP2951 PROG VOLT REG SO 8 2305 29510N08 U2 IC MC3371 FM RX W RSSI SO 16 2351 33710N16 U3 IC MC33172 DUAL OP AMP SO 8 2302 33172N08 U4 IC MC33172 DUAL OP AMP SO 8 2302 33172N08 U5 IC MC33172 DUAL OP...

Page 74: ... N CH SOT 23 2141 MBFU310L R1 RES SM 121R 1206 1 100ppm 1150 2B1210FP R2 RES SM 121R 1206 1 100ppm 1150 2B1210FP R3 RES SM 332R 1206 1 100ppm 1150 2B3320FP R4 RES SM 49R9 0805 1 100ppm 1150 1A49R9FP 7 1 3 Enhanced Front End Ref Desg Description Part Numbers VT 3H035 SWA VT 3H045 SWA C1 CAP SM 4 7uF TANT 10 16V 1055 5B475K16 C2 CAP SM 100nF CER 0805 X7R 50 1008 5A104K5R C3 CAP SM 10nF CER 0805 X7R ...

Page 75: ...L4 INDUCTOR SM 270nH CER 10 1008 1256 2BR2700K L5 INDUCTOR SM 220nH CER 10 1008 1256 2BR2200K L9 INDUCTOR SM 10 0uH 10 1812 1255 4G10000K L10 INDUCTOR SM 150nH CER 10 1008 1256 2BR1500K L11 INDUCTOR SM 180nH CER 10 1008 1256 2BR1800K L12 INDUCTOR SM 150nH CER 10 1008 1256 2BR1500K M1 IC AD831AP MIXER L D PLCC20 2360 83100P20 PCB PCB FRONT END AMP MIX LB VHF 4310 72500411 Q1 TRANSISTOR BC807 25 PNP...

Page 76: ...805 C0G 1008 0A829J1G C6 CAP SM 12pF CER 0805 C0G 1008 1A120J1G C7 CAP SM 56pF CER 0805 C0G 1008 1A560J1G C7 CAP SM 68pF CER 0805 C0G 1008 1A680J1G C8 CAP SM 10pF CER 0805 C0G 1008 1A100J1G C8 CAP SM 15pF CER 0805 C0G 1008 1A150J1G C9 CAP SM 68pF CER 0805 C0G 1008 1A680J1G C9 CAP SM 82pF CER 0805 C0G 1008 1A820J1G L1 INDUCT VAR 162 252uH TAP3 3 8 1263 10C05U27 L1 INDUCT VAR 193 306uH TAP4 3 8 1263...

Page 77: ...02K5R C18 CAP SM 47uF TANT 20 16V 1055 6D476M16 C19 CAP SM 10nF CER 0805 X7R 50V 1008 4A103K5R C20 CAP SM 4 7uF TANT 10 16V 1055 5B475K16 C21 CAP SM 10nF CER 0805 X7R 50V 1008 4A103K5R C22 CAP SM 10nF CER 0805 X7R 50V 1008 4A103K5R C23 CAP SM 27pF CER 0805 C0G 1008 1A270J1G C24 CAP TRIM 1 14pF STAND 6T 1082 A1R0014J C25 CAP SM 1nF CER 0805 X7R 50V 1008 3A102K5R C26 CAP SM 1nF CER 0805 X7R 50V 1008...

Page 78: ...9L D3 DIODE MMBD701 HOT CARR SOT23 2105 MMBD7010 D4 DIODE BYD17J RECTIFIER SOD87 2101 BYD17J00 D5 DIODE BAS16 SWITCHING SOT23 2100 BAS16000 L1 CHOKE RF MOLDED 10uH 10 25 1251 4A00100K L2 CHOKE RF MOLDED 10uH 10 25 1251 4A00100K L3 CHOKE RF MOLDED 10uH 10 25 1251 4A00100K L4 CHOKE RF MOLDED 10uH 10 25 1251 4A00100K L5 INDUCTOR 9 5T 138nH MOLD WHT 1253 A0951389 L6 CHOKE RF MOLDED 10uH 10 25 1251 4A0...

Page 79: ...pm 1150 1A10R0FP R24 RES SM 10R0 0805 1 100ppm 1150 1A10R0FP R25 RES SM 10R0 0805 1 100ppm 1150 1A10R0FP R26 RES 1R2 METAL FILM 5 0 5W 1101 0A01R2JI R27 RES SM 15K0 0805 1 100ppm 1150 4A1502FP R28 RES SM 10R0 0805 1 100ppm 1150 1A10R0FP R29 RES SM 18K2 0805 1 100ppm 1150 4A1822FP R30 RES SM 10R0 0805 1 100ppm 1150 1A10R0FP R31 RES SM 49R9 0805 1 100ppm 1150 1A49R9FP R32 RES 15K METAL FILM 5 0 5W 1...

Page 80: ...TH SO 20 2355 45191N20 U11 IC MSA 0611 MMIC AMP SOT 143 2354 MSA06110 U15 IC MSA 0611 MMIC AMP SOT 143 2354 MSA06110 U16 IC MSA 0611 MMIC AMP SOT 143 2354 MSA06110 7 1 6 Enhanced Synthesizer Digital Board Ref Desg Description Part Numbers VT 3H035 SWA3 VT 3H045 SWA3 C1 CAP SM 100nF CER 0805 X7R 50 1008 5A104K5R C2 CAP SM 100nF CER 0805 X7R 50 1008 5A104K5R C3 CAP SM 47uF TANT 20 16V 1055 6D476M16 ...

Page 81: ...0805 1 100ppm 1150 4A2742FP R16 RES SM 27K4 0805 1 100ppm 1150 4A2742FP R17 RES SM 27K4 0805 1 100ppm 1150 4A2742FP R18 RES SM 27K4 0805 1 100ppm 1150 4A2742FP R19 RES SM 27K4 0805 1 100ppm 1150 4A2742FP R20 RES SM 27K4 0805 1 100ppm 1150 4A2742FP R21 RES SM 27K4 0805 1 100ppm 1150 4A2742FP R22 RES SM 27K4 0805 1 100ppm 1150 4A2742FP R23 RES SM 10K0 0805 1 100ppm 1150 4A1002FP R24 RES SM 10K0 0805...

Page 82: ...T 5122 J20S00BG 1 CONNECTOR F 48 MALE R A PCB 3720 6048M0RA 1 DIVIDER MT 3 RX IF COMP SIDE 3702 67301020 1 DIVIDER MT 3 RX IF SOLDR SIDE 3702 67301010 1 FILTER XTAL 21 4MHz 6 0 PR 1332 2144120F 2 FILTER XTAL 21 4MHz 6 0 PR 1332 2144120F 2 NUT M3 HEX 5 5mm FLATS NYLON 5813 3M0HX55P 2 NUT M3 HEX 5 5mm FLATS NYLON 5813 3M0HX55P 2 NUT PRESS M2 5 5 6mmOD PC MNT 5833 T2M55615 3 NUT PRESS M2 5 5 6mmOD PC...

Page 83: ...J1SC01BG 1 LOCKWASHER M2 5 SPLIT A2 STEEL 5814 2M5LK00S 18 NUT PRESS M2 5 5 6mmOD PC MNT 5833 T2M55615 12 SCREW M2 5 x 25 PAN PHIL A2 5812 2M5PP25S 18 SCREW M3 X 6 FLAT PHIL A2 5812 3M0FP06S 4 SHIELD V UHF F E AMP LO DIVDR 3702 67301122 1 SHIELD V UHF F E AMP RF DIVDR 3702 67301123 1 SHIELD V UHF F END AMP WALL 3702 67301120 1 STANDOFF 5 56mmOD 4mmL M2 5 SW 5927 5S4BM25T 6 WIRE TFE STRAND 24AWG RE...

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Page 85: ...29 73500 0148 29 74000 0149 29 74500 0150 29 75000 0151 29 75500 0152 29 76000 0153 29 76500 0154 29 77000 0155 29 77500 0156 29 78000 0157 29 78500 0158 29 79000 0159 29 79500 0160 29 80000 0161 29 80500 0162 29 81000 0163 29 81500 0164 29 82000 0165 29 82500 0166 29 83000 0167 29 83500 0168 29 84000 0169 29 84500 0170 29 85000 0171 29 85500 0172 29 86000 0173 29 86500 0174 29 87000 0175 29 87500...

Page 86: ...0508 31 54000 0509 31 54500 0510 31 55000 0511 31 55500 0512 31 56000 0513 31 56500 0514 31 57000 0515 31 57500 0516 31 58000 0517 31 58500 0518 31 59000 0519 31 59500 0520 31 60000 0521 31 60500 0522 31 61000 0523 31 61500 0524 31 62000 0525 31 62500 0526 31 63000 0527 31 63500 0528 31 64000 0529 31 64500 0530 31 65000 0531 31 65500 0532 31 66000 0533 31 66500 0534 31 67000 0535 31 67500 0536 31 ...

Page 87: ...0898 33 49000 0899 33 49500 0900 33 50000 0901 33 50500 0902 33 51000 0903 33 51500 0904 33 52000 0905 33 52500 0906 33 53000 0907 33 53500 0908 33 54000 0909 33 54500 0910 33 55000 0911 33 55500 0912 33 56000 0913 33 56500 0914 33 57000 0915 33 57500 0916 33 58000 0917 33 58500 0918 33 59000 0919 33 59500 0920 33 60000 0921 33 60500 0922 33 61000 0923 33 61500 0924 33 62000 0925 33 62500 0926 33 ...

Page 88: ...1288 35 44000 1289 35 44500 1290 35 45000 1291 35 45500 1292 35 46000 1293 35 46500 1294 35 47000 1295 35 47500 1296 35 48000 1297 35 48500 1298 35 49000 1299 35 49500 1300 35 50000 1301 35 50500 1302 35 51000 1303 35 51500 1304 35 52000 1305 35 52500 1306 35 53000 1307 35 53500 1308 35 54000 1309 35 54500 1310 35 55000 1311 35 55500 1312 35 56000 1313 35 56500 1314 35 57000 1315 35 57500 1316 35 ...

Page 89: ...1678 37 39000 1679 37 39500 1680 37 40000 1681 37 40500 1682 37 41000 1683 37 41500 1684 37 42000 1685 37 42500 1686 37 43000 1687 37 43500 1688 37 44000 1689 37 44500 1690 37 45000 1691 37 45500 1692 37 46000 1693 37 46500 1694 37 47000 1695 37 47500 1696 37 48000 1697 37 48500 1698 37 49000 1699 37 49500 1700 37 50000 1701 37 50500 1702 37 51000 1703 37 51500 1704 37 52000 1705 37 52500 1706 37 ...

Page 90: ...2068 39 34000 2069 39 34500 2070 39 35000 2071 39 35500 2072 39 36000 2073 39 36500 2074 39 37000 2075 39 37500 2076 39 38000 2077 39 38500 2078 39 39000 2079 39 39500 2080 39 40000 2081 39 40500 2082 39 41000 2083 39 41500 2084 39 42000 2085 39 42500 2086 39 43000 2087 39 43500 2088 39 44000 2089 39 44500 2090 39 45000 2091 39 45500 2092 39 46000 2093 39 46500 2094 39 47000 2095 39 47500 2096 39 ...

Page 91: ...2458 41 29000 2459 41 29500 2460 41 30000 2461 41 30500 2462 41 31000 2463 41 31500 2464 41 32000 2465 41 32500 2466 41 33000 2467 41 33500 2468 41 34000 2469 41 34500 2470 41 35000 2471 41 35500 2472 41 36000 2473 41 36500 2474 41 37000 2475 41 37500 2476 41 38000 2477 41 38500 2478 41 39000 2479 41 39500 2480 41 40000 2481 41 40500 2482 41 41000 2483 41 41500 2484 41 42000 2485 41 42500 2486 41 ...

Page 92: ...2848 43 24000 2849 43 24500 2850 43 25000 2851 43 25500 2852 43 26000 2853 43 26500 2854 43 27000 2855 43 27500 2856 43 28000 2857 43 28500 2858 43 29000 2859 43 29500 2860 43 30000 2861 43 30500 2862 43 31000 2863 43 31500 2864 43 32000 2865 43 32500 2866 43 33000 2867 43 33500 2868 43 34000 2869 43 34500 2870 43 35000 2871 43 35500 2872 43 36000 2873 43 36500 2874 43 37000 2875 43 37500 2876 43 ...

Page 93: ...3238 45 19000 3239 45 19500 3240 45 20000 3241 45 20500 3242 45 21000 3243 45 21500 3244 45 22000 3245 45 22500 3246 45 23000 3247 45 23500 3248 45 24000 3249 45 24500 3250 45 25000 3251 45 25500 3252 45 26000 3253 45 26500 3254 45 27000 3255 45 27500 3256 45 28000 3257 45 28500 3258 45 29000 3259 45 29500 3260 45 30000 3261 45 30500 3262 45 31000 3263 45 31500 3264 45 32000 3265 45 32500 3266 45 ...

Page 94: ...3628 47 14000 3629 47 14500 3630 47 15000 3631 47 15500 3632 47 16000 3633 47 16500 3634 47 17000 3635 47 17500 3636 47 18000 3637 47 18500 3638 47 19000 3639 47 19500 3640 47 20000 3641 47 20500 3642 47 21000 3643 47 21500 3644 47 22000 3645 47 22500 3646 47 23000 3647 47 23500 3648 47 24000 3649 47 24500 3650 47 25000 3651 47 25500 3652 47 26000 3653 47 26500 3654 47 27000 3655 47 27500 3656 47 ...

Page 95: ...49 01500 4004 49 02000 4005 49 02500 4006 49 03000 4007 49 03500 4008 49 04000 4009 49 04500 4010 49 05000 4011 49 05500 4012 49 06000 4013 49 06500 4014 49 07000 4015 49 07500 4016 49 08000 4017 49 08500 4018 49 09000 4019 49 09500 4020 49 10000 4021 49 10500 4022 49 11000 4023 49 11500 4024 49 12000 4025 49 12500 4026 49 13000 4027 49 13500 4028 49 14000 4029 49 14500 4030 49 15000 4031 49 15500...

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Page 97: ...163 30 01875 5164 30 02500 5165 30 03125 5166 30 03750 5167 30 04375 5168 30 05000 5169 30 05625 5170 30 06250 5171 30 06875 5172 30 07500 5173 30 08125 5174 30 08750 5175 30 09375 5176 30 10000 5177 30 10625 5178 30 11250 5179 30 11875 5180 30 12500 5181 30 13125 5182 30 13750 5183 30 14375 5184 30 15000 5185 30 15625 5186 30 16250 5187 30 16875 5188 30 17500 5189 30 18125 5190 30 18750 5191 30 1...

Page 98: ...0 5523 32 26875 5524 32 27500 5525 32 28125 5526 32 28750 5527 32 29375 5528 32 30000 5529 32 30625 5530 32 31250 5531 32 31875 5532 32 32500 5533 32 33125 5534 32 33750 5535 32 34375 5536 32 35000 5537 32 35625 5538 32 36250 5539 32 36875 5540 32 37500 5541 32 38125 5542 32 38750 5543 32 39375 5544 32 40000 5545 32 40625 5546 32 41250 5547 32 41875 5548 32 42500 5549 32 43125 5550 32 43750 5551 3...

Page 99: ...0 5883 34 51875 5884 34 52500 5885 34 53125 5886 34 53750 5887 34 54375 5888 34 55000 5889 34 55625 5890 34 56250 5891 34 56875 5892 34 57500 5893 34 58125 5894 34 58750 5895 34 59375 5896 34 60000 5897 34 60625 5898 34 61250 5899 34 61875 5900 34 62500 5901 34 63125 5902 34 63750 5903 34 64375 5904 34 65000 5905 34 65625 5906 34 66250 5907 34 66875 5908 34 67500 5909 34 68125 5910 34 68750 5911 3...

Page 100: ...0 6243 36 76875 6244 36 77500 6245 36 78125 6246 36 78750 6247 36 79375 6248 36 80000 6249 36 80625 6250 36 81250 6251 36 81875 6252 36 82500 6253 36 83125 6254 36 83750 6255 36 84375 6256 36 85000 6257 36 85625 6258 36 86250 6259 36 86875 6260 36 87500 6261 36 88125 6262 36 88750 6263 36 89375 6264 36 90000 6265 36 90625 6266 36 91250 6267 36 91875 6268 36 92500 6269 36 93125 6270 36 93750 6271 3...

Page 101: ...0 6603 39 01875 6604 39 02500 6605 39 03125 6606 39 03750 6607 39 04375 6608 39 05000 6609 39 05625 6610 39 06250 6611 39 06875 6612 39 07500 6613 39 08125 6614 39 08750 6615 39 09375 6616 39 10000 6617 39 10625 6618 39 11250 6619 39 11875 6620 39 12500 6621 39 13125 6622 39 13750 6623 39 14375 6624 39 15000 6625 39 15625 6626 39 16250 6627 39 16875 6628 39 17500 6629 39 18125 6630 39 18750 6631 3...

Page 102: ...0 6963 41 26875 6964 41 27500 6965 41 28125 6966 41 28750 6967 41 29375 6968 41 30000 6969 41 30625 6970 41 31250 6971 41 31875 6972 41 32500 6973 41 33125 6974 41 33750 6975 41 34375 6976 41 35000 6977 41 35625 6978 41 36250 6979 41 36875 6980 41 37500 6981 41 38125 6982 41 38750 6983 41 39375 6984 41 40000 6985 41 40625 6986 41 41250 6987 41 41875 6988 41 42500 6989 41 43125 6990 41 43750 6991 4...

Page 103: ...0 7323 43 51875 7324 43 52500 7325 43 53125 7326 43 53750 7327 43 54375 7328 43 55000 7329 43 55625 7330 43 56250 7331 43 56875 7332 43 57500 7333 43 58125 7334 43 58750 7335 43 59375 7336 43 60000 7337 43 60625 7338 43 61250 7339 43 61875 7340 43 62500 7341 43 63125 7342 43 63750 7343 43 64375 7344 43 65000 7345 43 65625 7346 43 66250 7347 43 66875 7348 43 67500 7349 43 68125 7350 43 68750 7351 4...

Page 104: ...0 7683 45 76875 7684 45 77500 7685 45 78125 7686 45 78750 7687 45 79375 7688 45 80000 7689 45 80625 7690 45 81250 7691 45 81875 7692 45 82500 7693 45 83125 7694 45 83750 7695 45 84375 7696 45 85000 7697 45 85625 7698 45 86250 7699 45 86875 7700 45 87500 7701 45 88125 7702 45 88750 7703 45 89375 7704 45 90000 7705 45 90625 7706 45 91250 7707 45 91875 7708 45 92500 7709 45 93125 7710 45 93750 7711 4...

Page 105: ...0 8043 48 01875 8044 48 02500 8045 48 03125 8046 48 03750 8047 48 04375 8048 48 05000 8049 48 05625 8050 48 06250 8051 48 06875 8052 48 07500 8053 48 08125 8054 48 08750 8055 48 09375 8056 48 10000 8057 48 10625 8058 48 11250 8059 48 11875 8060 48 12500 8061 48 13125 8062 48 13750 8063 48 14375 8064 48 15000 8065 48 15625 8066 48 16250 8067 48 16875 8068 48 17500 8069 48 18125 8070 48 18750 8071 4...

Page 106: ...49 51875 8284 49 52500 8285 49 53125 8286 49 53750 8287 49 54375 8288 49 55000 8289 49 55625 8290 49 56250 8291 49 56875 8292 49 57500 8293 49 58125 8294 49 58750 8295 49 59375 8296 49 60000 8297 49 60625 8298 49 61250 8299 49 61875 8300 49 62500 8301 49 63125 8302 49 63750 8303 49 64375 8304 49 65000 8305 49 65625 8306 49 66250 8307 49 66875 8308 49 67500 8309 49 68125 8310 49 68750 8311 49 69375...

Page 107: ...zed Low Band VHF Extra Wideband Receiver 29 to 50 MHz Converted for 50kHz channel spacing Current information was extracted from the following documents to create an Instruction Manual specific to the VT 3H040 Receiver converted for 50 KHz channel spacing IM10 RX214 IM10 OS3AH IM10 FE3H040 IM10 VR3H040CT 1 1 0 Aug 2003 ECO 767 Revised parts list PCB 43 91079A Updated Component Layout and Schematic...

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