Table 2
Complete Parts List Including
Digi-Key, Mini-Circuits, and Analog Devices Part NumbersR101: 1.3K ohms (
P1.3KECT-ND)R102, 103: 100 ohms (
P100ECT-ND) (50-ohm external clock input only)R102, 103: 1K ohms (
P1.0KECT-ND) (Internal clock source only)R403: 1K ohms (
P1.0KECT-ND)R104: 3.9K ohms (
P3.9KECT-ND)R105-108, 212: 51 ohms (
P51ECT-ND)R201-203: 18 ohms (
P18ECT-ND)R206, 207, 510-514: 10K ohms (
P10KECT-ND)R210, 211, 218: 22 ohms (
P22ECT-ND)R213-216: 470 ohms (
P470ECT-ND)R217: 4.7K ohms (
P4.7KECT-ND) (ADF4112 PLL chip only; omit for LMX2326)R301, 303: 4.7K ohms (
P4.7KECT-ND)R401, 402, 501, 507-509, 109-112: 100 ohms (
P100ECT-ND)R502-506: 3.3K ohms (
P3.3KECT-ND)C101, 103, 207, 208, 209, 401: 0.01 uF/50V ceramic (
399-1234-1-ND)C102, 104, 106, 202, 204, 205, 211, 215, 219, 224, 226, 309, 311, 312, 315, 317, 318, 407, 408: 0.1 uF/50V ceramic (
PCC104BCT-ND)C201, 203, 206, 210, 217, 220: 100 pF/50V ceramic (
399-1205-1-ND)C214, 321: 47 uF/35V electrolytic (
PCE3280CT-ND)C218, 228, 302, 304, 307, 308, 313, 314, 409: 10 uF/16V tantalum (
399-1595-1-ND)C221-223, 225, 406: 0.001 uF/50V ceramic (
P311-1170-1-ND)C230: 1 pF/50V ceramic (see text) (
399-1178-1-ND)C301, 319, 320, 322: 10 uF/35V electrolytic (
PCE3413CT-ND)C403, 405: 270 pF/50V NPO ceramic (
399-1209-1-ND)C404: 470 pF/50V NPO ceramic (
399-1213-1-ND)D301-303: 1N4002 (
DL4002DICT-ND)D304: 5.6V 500 mW Zener (
BZT52C5V6-7DICT-ND)D306: 5.6V 500 mW Zener (5V VCOs only) (
BZT52C5V6-7DICT-ND)D306: 12V 500 mW Zener (12V VCOs only) (
BZT52C12-7DICT-ND)F401: ECS-10.7-15B monolithic crystal filter, +/- 7.5 kHz bandwidth, 25 kHz stopband (
X704-ND)J101, 201: SMA female bulkhead jack (
J569-ND)J301: 4-position straight header (
A1912-ND)J501: 10-position shrouded header (
MHB10K-ND)L402,403: 0.91 uH RF choke (
DN1015CT-ND)L201, 202, 204-207, 301, 404: 33 uH 115 mA RF choke (
TKS2638CT-ND)L203: Mini-Circuits
ADCH-80AQ301, 303: 2SC1847 (
2SC18470Q-ND)T401, 402: Mini-Circuits
T36-1-KK81 36:1 RF transformerU101: Analog Devices
AD9852AST DDS synthesizerU102: ECS-3953M 10 MHz oscillator module for internal-clock option (
XC288CT-ND)U201: Analog Devices
ADF4112BRU 3.0 GHz RF PLL frequency synthesizerU201: National Semiconductor
LMX2326TM 2.8 GHz RF PLL frequency synthesizer (LMX2326TM-ND)U202: Burr-Brown OPA27 low-noise operational amplifier (
OPA27GU-ND)U203: Mini-Circuits
ROS-2150VW 1-2 GHz VCOU204: Mini-Circuits
GALI-5 monolithic amplifierU301, 302: Linear Technology LT1086-3.3 voltage regulator (
LT1086CT-3.3-ND)U304: 7812 voltage regulator (
NJM7812FA-ND)U401: Linear Technology LT1016 precision comparator (
LT1016CS8-ND)Miscellaneous hardware and optional parts
Hammond 1590BB aluminum enclosure (
HM152-ND)TO-220 mounting kits for U301, U302 (
4724K-ND)10-position IDC socket for J501 (
MKC10A-ND)10-position ribbon cable (
MC10G-5-NDLoop filter components (ROS-2150VW VCO, 2.5 kHz loop bandwidth):
R208: 150 ohms (
P150ECT-ND)R209: 82 ohms (
P82ECT-ND)C212: 1 uF/35V tantalum (
PCS6105CT-ND)C213: 0.1 uF/50V ceramic (
PCC104BCT-ND)C216: 0.1 uF/50V ceramic (
PCC104BCT-ND)
PC Boards
Dual-layer PC boards with plated vias, solder mask, and component markings are available from John Miles, KE5FX (jmiles@pop.net) for US $25.00 postpaid. Cash, checks, and PayPal are accepted.
Table 3
Software and Supplementary Files
http://www.qsl.net/ke5fx/synth.html
Data Sheets and Other Online Resources
LMX2306/16/26 ADF4110/11/12/13 GALI-5 ADCH80A LT1016 OPA27 ROS-2150VW National Semiconductor’s WEBENCH (an excellent online PLL modelling program) Analog Devices ADIsimPLL Version 2.0 Mini-Circuits application notes for VCOs and other components AVR-GCC (C++ compiler for Atmel microcontrollers)