Components list and specifications for the miniature transmitter
| Component . | Value/Type . | Size . | Manufacturer . |
|---|---|---|---|
| R1 | 1.8-2.7 MΩ | 0402 (1.0 mm×0.5 mm×0.2 mm) | |
| R2 | 15-18 kΩ | 0402 | |
| R3 | 0-100 Ω | 0402 | |
| C1 | 0.47-1.0 μF | 2×0402 | SRT Technologies, Cadolzburg, Germany |
| C2 | 220 nF | 0402 | |
| C3 | 15 pF | 0402 | |
| C4 | 3.3 pF | 0402 | |
| C5 | 2.2 pF | 0402 | |
| L1 | 100 nH | 0402 | Stelco, Newmarkt, Germany |
| L2 | 1.0 μH | 0603 (1.5 mm×1.0 mm×1.0 mm) | Stelco |
| L3 | 100 nH | 0402 | Stelco |
| T1 | BFR92 | SOT323 (2.0 mm× 1.25 mm×0.9 mm) | Philips, Zurich, Switzerland |
| S852TF | SOT490 (1.7 mm×0.9 mm×0.8 mm) | Vishay, Selb, Germany | |
| Q | Large | (5.0 mm×3.2 mm×1.1 mm) | Micro-crystal, Grenchen, Switzerland |
| Small | (3.5 mm×2.2 mm×0.7 mm) | Tele Tec, Saitama, Japan | |
| PDTA114 | PNP, 10 K bias resistor | SOT490 (1.7 mm×0.9 mm×0.8 mm) | Philips |
| Component . | Value/Type . | Size . | Manufacturer . |
|---|---|---|---|
| R1 | 1.8-2.7 MΩ | 0402 (1.0 mm×0.5 mm×0.2 mm) | |
| R2 | 15-18 kΩ | 0402 | |
| R3 | 0-100 Ω | 0402 | |
| C1 | 0.47-1.0 μF | 2×0402 | SRT Technologies, Cadolzburg, Germany |
| C2 | 220 nF | 0402 | |
| C3 | 15 pF | 0402 | |
| C4 | 3.3 pF | 0402 | |
| C5 | 2.2 pF | 0402 | |
| L1 | 100 nH | 0402 | Stelco, Newmarkt, Germany |
| L2 | 1.0 μH | 0603 (1.5 mm×1.0 mm×1.0 mm) | Stelco |
| L3 | 100 nH | 0402 | Stelco |
| T1 | BFR92 | SOT323 (2.0 mm× 1.25 mm×0.9 mm) | Philips, Zurich, Switzerland |
| S852TF | SOT490 (1.7 mm×0.9 mm×0.8 mm) | Vishay, Selb, Germany | |
| Q | Large | (5.0 mm×3.2 mm×1.1 mm) | Micro-crystal, Grenchen, Switzerland |
| Small | (3.5 mm×2.2 mm×0.7 mm) | Tele Tec, Saitama, Japan | |
| PDTA114 | PNP, 10 K bias resistor | SOT490 (1.7 mm×0.9 mm×0.8 mm) | Philips |
For widely available components, no particular manufacturer is indicated.
Components are identified in Fig. 1.